Publications｜脇原研究室

2025

233

Impact of Temperature on Zeolitization Elucidated by In-Situ High-Energy X-ray Total Scattering Measurement

Zimu Zhou, Peidong Hu, Hiroki Yamada, Jo-Chi Tseng, Koji Ohara, Yasuo Yonezawa, Tatsuya Okubo, Toru Wakihara

Journal of the American Chemical Society, in press (2025)
232

Influence of alkali metal cations on the local structure of amorphous precursors during zeolite crystallization

Kazuki Mori, Peidong Hu, Kentaro Kobayashi, Hiroki Yamada, Koji Ohara, Yutaka Yanaba, Tatsuya Okubo, Toru Wakihara

Physical Chemistry Chemical Physics, in press (2025)
231

Drawing Boundaries between Feasible and Unfeasible Zeolite Intergrowths

Kota Oishi, Koki Muraoka, Satoko Toyama, Takeshi Iwata, Takehito Seki, Naoya Shibata, Kenta Iyoki, Toru Wakihara, Tatsuya Okubo, Akira Nakayama

Nature Materials, in press (2025)
230

Elucidation of the Structure–Activity Relationship for Cu-Erionite in the Direct Conversion of Methane to Methanol: an Operando XAS Study

Jie Zhu, Vitaly Sushkevich, Amy Knorpp, Mark Newton, Toru Wakihara
, Tatsuya Okubo, Zhendong Liu, Jeroen van Bokhoven

Journal of the American Chemical Society, in press (2025)
229

Accelerating Zeolite Crystallization under High External Hydrostatic Pressure

Raquel Simancas, Masatora Sakakibara, Ryo Asayama, Masato Katsuyama, Masanori Takemoto, Yasuo Yonezawa, Tatsuya Okubo, Toru Wakihara

Crystal Growth & Design, in press (2025). DOI: 10.1021/acs.cgd.5c00482
228

Antiviral Potential of Proton-type Zeolite

Yuka Kimura, Masanori Takemoto, Noriko Nakamura, Takeshi Ichinohe, Makoto Nakakido, Kenta Iyoki, Seiichi Ohta, Nobuhiro Miyamae, Yuki Egami, Koichi Sato, Tatsuya Okubo, Kouhei Tsumoto, Toru Wakihara

PLOS One, in press (2025). DOI: 10.1371/journal.pone.0324484
227

Photocatalytic Evolution of Nitrous Oxide from Nitric Monoxide over Pt-Loaded Titanium Dioxide under UV Irradiation

Ryo Asayama, Masanori Takemoto, Arata Suzuki, Ryuichi Watanabe, Fuminao Kishimoto, Kenta Iyoki, Tatsuya Okubo, Toru Wakihara

Reaction Chemistry & Engineering, 10, 1216 (2025). DOI: 10.1039/d5re00119f
226

Achieving extreme thermal stability of high-silica FAU through trace water-assisted steam treatment

Boqing Li, Raquel Simancas, Kenta Iyoki, Shanmugam P. Elangovan, Takahiro Ohkubo, Tatsuya Okubo, Toru Wakihara

Chemical Communications, 61, 6599-6602 (2025). DOI: 10.1039/d5cc00510h
225

Preparation of translucent silicalite-1 bulk ceramics by spark plasma sintering

Masanori Takemoto, Yoshiaki Ito, Yuka Yoshihara, Shiori Odagiri, Yuta Shuseki, Kenta Iyoki, Tatsuya Okubo, Atsunobu Masuno, Toru Wakihara

Materials Advances, 6, 3132-3138 (2025). DOI: 10.1039/d5ma00075k
224

Development of zeolite adsorbent with low water sensitivity for CO2 capture

Peidong Hu, Ryusei Oishi, Hanlong Ya, Yasuo Yonezawa, Minoru Matsukura, Kenta Iyoki, Tatsuya Okubo, Toru Wakihara

Chemical Engineering Journal, 508, 161054 (2025). DOI: 10.1016/j.cej.2025.161054
223

Adsorption behavior of low-concentration nitrous oxide on natural mordenite zeolite

Saeko Yamaguchi, Peidong Hu, Hanlong Ya, Peipei Xiao, Ayako Nakata, Tsuyoshi Miyazaki, Yoshitada Morikawa, Junko N. Kondo, Kotaro Tange, Kenichi Tonokura, Masanori Takemoto, Yasuo Yonezawa, Toshiyuki Yokoi, Kenta Iyoki, Tatsuya Okubo, Toru Wakihara

Microporous and Mesoporous Materials, 388, 113550, (2025) DOI: 10.1016/j.micromeso.2025.113550
222

Liquid-Mediated Treatment for Silanol Defects Healing and Sn Coordination Optimization in Sn-Beta for Improved Catalytic Activity

Boqing Li, Raquel Simancas, Hiroki Nagashima, Kenta Iyoki, Shanmugam P. Elangovan, Anand Chokkalingam, Takayuki Yamagishi, Satoshi Inagaki, Tatsuya Okubo, Toru Wakihara

ChemCatChem, in press. DOI: 10.1002/cctc.202401937
221

Novel preparation of amorphous aluminosilicates via amorphous borosilicates by B-to-Al exchange

Yuki Sada, Shoko Miyagi, Raquel Simancas, Masato Yoshioka, Tomoya Ishikawa, Keita Nakao, Yusuke Naraki, Hiroki Yamada, Seiya Shimono, Koji Ohara, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Microporous and Mesoporous Materials, 387, 113529, (2025). DOI: 10.1016/j.micromeso.2025.113529
220

Removal of Radioactive Noble Gas Radon from Air by Ag-Zeolite

H. Ogawa, Y. Takeuchi, H. Sekiya, K. Iyoki, M. Matsukura, T.Wakihara, Y. Nakano8 S. Hirano, A. Taniguchi

Progress of Theoretical and Experimental Physics, (2025). DOI: 10.1093/ptep/ptaf007
219

Study of radon removal performance of silver-ion exchanged zeolite from air for underground experiments

T. Sone, Y. Takeuchi, M. Matsukura, Y. Nakano, H. Ogawa, H.Sekiya,, T.Wakihara, , S. Hirano, A. Taniguchi

Progress of Theoretical and Experimental Physics, 013H01, (2025). DOI: 10.1093/ptep/ptae181
218

Diffractometer for element-specific analysis on local structures using a combination of X-ray fluorescence holography and anomalous X-ray scattering

Hiroo Tajiri, Shinji Kohara, Koji Kimura, Sekhar Halubai, Haruto Morimoto, Naohisa Happo, Jens R. Stellhorn, Yohei Onodera, Xvsheng Qiao, Daisuke Urushihara, Peidong Hu, Toru Wakihara, Toyohiko Kinoshita, Koichi Hayashi

Journal of Synchrotron Radiation, 34, 125-132, (2025). DOI: 10.13039/501100001691
217

Shape Selective Cracking of Polypropylene on H-MFI Type Zeolite Catalyst with Recovery of Cyclooctane Solvent

Tomohiro Fukumasa, Yuya Kawatani, Hiroki Masuda, Ikuto Nakashita, Ryusei Hashiguchi, Masanori Takemoto, Satoshi Suganuma, Etsushi Tsuji, Toru Wakihara, Naonobu Katada,

Shape Selective Cracking of Polypropylene on H-MFI Type Zeolite Catalyst with Recovery of Cyclooctane Solvent”, RSC Sustaiability, 3, 890-903 (2025). DOI: 10.1039/d4su00484a

2024

216

Iron redox effect on the structure and viscosity of a sodium silicate glass and melt

Sohei Sukenaga, Maria Rita Cicconi, Hiroki Yamada, Toru Wakihara, Koji Ohara, Hiroyuki Shibata, Daniel Neuville

The Journal of Chemical Physics, 161, 244503 (2024). DOI: 10.1063/5.0243427
215

Superior low temperature activity over α-MnO2/β-MnOOH catalyst for selective catalytic reduction of NOx with ammonia

Masanori Takemoto, Haruko Fujinuma, Yoshihiro Sugawara, Yukichi Sasaki, Kenta Iyoki, Tatsuya Okubo, Kazuya Yamaguchi, Toru Wakihara

Superior low temperature activity over α-MnO2/β-MnOOH catalyst for selective catalytic reduction of NOx with ammonia”, RSC Advances, 14, 35498-35504, (2024). DOI: 10.1039/d4ra05934d
214

Unravelling the density-driven modification of the topology generated by the interconnection of SiO4 tetrahedra in silica polymorphs

Shinji Kohara, Shuya Sato, Motoki Shiga, Yohei Onodera, Hirokazu Masai, Toru Wakihara, Atsunobu Masuno, Akihiko Hirata, Naoto Kitamura, Yasushi Idemoto, Koji Kimura, Kouichi Hayashi

Journal of the Ceramic Society of Japan, 132, 1-10 (2024). DOI: 10.2109/jcersj2.24093
213

Simultaneous Control of Aluminum Atoms and Defects in the MOR Zeolite Framework by Postsynthetic Treatments

Yuki Fujikawa, Tatsushi Yoshioka, Kenta Iyoki, Takahiro Ohkubo, Tatsuya Okubo, Toru Wakihara

Jouranal of Physical Chemistry C, 128, 9331-9344, (2024). DOI: 10.1021/acs.jpcc.4c01659
212

Effect of defect-healing treatment on layered silicate precursors toward well-defined crosslinked frameworks

Yoshiaki Ito, Keiichiro Nayuki, Yukichi Sasaki, Toru Wakihara, Tatsuya Okubo, Kenta Iyoki

RSC Advances, in press
211

Unraveling the relationship between aging conditions, properties of amorphous precursors and CHA-type zeolite crystallization

Yukie Okada, Yuki Sada, Shoko Miyagi, Hiroki Yamada, Koji Ohara, Yutaka Yanaba, Masato Yoshioka, Tomoya Ishikawa, Yusuke Naraki, Tsuneji Sano, Tatsuya Okubo, Raquel Simancas, Toru Wakihara

Microporous and Mesoporous Materials, in press. DOI: 10.1016/j.micromeso.2024.113099
210

Improving mechanical stability of ZSM-5 zeolite by defect-healing treatment

Masanori Takemoto, Yuka Yoshihara, Yoshiaki Ito, Hiroki Yamada, Kenta Iyoki, Tatsuya Okubo, Toru Wakihara

Microporous and Mesoporous Materials, 372, 113087 (2024). DOI: 10.1016/j.micromeso.2024.113087
209

Development of Silicalite-1 Encapsulated Cu-ZnO Catalysts for Methanol Synthesis by CO₂ Hydrogenation

Ryokuto Kanomata, Koki Awano, Hiroyasu Fujitsuka, Kentaro Kimura, Shuhei Yasuda, Raquel Simancas, Samya Bekhti, Toru Wakihara, Toshiyuki Yokoi, Teruoki Tago

Chemical Engineering Journal, 485, 149896, (2024). DOI: 10.1016/j.cej.2024.149896
208

Synthesis and Structural Analysis of High-Silica ERI Zeolite with Spatially-Biased Al Distribution as a Promising NH3-SCR Catalyst

Jie Zhu, Koki Muraoka, Takeshi Ohnishi, Yutaka Yanaba, Masaru Ogura, Akira Nakayama, Toru Wakihara, Zhendong Liu, Tatsuya Okubo

Advanced Science, 11, 2307674 (2024). DOI: 10.1002/advs.202307674
207

Measurement of radon emanation and impurity adsorption from argon gas using ultralow radioactive zeolite

Hiroshi Ogawa, Kenta Iyoki, Minoru Matsukura, Toru Wakihara, Ko Abe, Kentaro Miuchi, Saori Umehara

Journal of Instrumentation, 19, P02004 (2024). DOI: 10.1088/1748-0221/19/02/P02004
206

Revealing the evolution of local structures in the formation process of alkaline earth metal cation-containing zeolites from glasses

Peidong Hu, Makiko Deguchi, Hiroki Yamada, Kentaro Kobayashi, Koji Ohara, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Akihiko Machida, Yutaka Yanaba, Zhendong Liu, Tatsuya Okubo, Toru Wakihara

Physical Chemistry Chemical Physics, 26, 116-122 (2024). DOI: 10.1039/D3CP04954J
205

ゼオライトナノ粒子によるリチウムイオン二次電池の劣化抑制

山本真矢, 脇原徹, 中平敦, 脇原將孝

材料, 日本材料学会 Vol.73, No.6, (2024)
204

Dealumination of RHO zeolite by acid treatment and recrystallization with organic pore filler

Tatsushi Yoshioka, Kenta Iyoki, Yutaka Yanaba, Tatsuya Okubo, Toru Wakihara

Journal of the Ceramic Society of Japan, 132, 45-49 (2024). DOI: 10.2109/jcersj2.23156
203

Unexpected Low Temperature Activity with Low N₂O Emission of Stabilized Al-rich Zeolite Beta for Selective Catalytic Reduction of NOx

Jingyun Yu, Kenta Iyoki, Shanmugam P. Elangovan, Haruko Fujinuma, Tatsuya Okubo, Toru Wakihara

Chemistry - A European Journal, 30, e202303177 (2024). DOI: 10.1002/chem.202303177

2023

202

Fabrication and evaluation for transparent hygroscopic film with nano-sized zeolite and another inorganic hygroscopic agent

Takamitsu Kakinaga, Toru Wakihara, Atsushi. Nakahira, Hidenobu Murata

Journal of the Society of Materials Science, 72, 942-945 (2023). DOI: 10.2472/jsms.72.942
201

Fabrication of low-density-polyetylene-based transparent hygroscopic resin dispersed with nano-sized zeolite

Takamitsu Kakinaga, Toru Wakihara, Atsushi. Nakahira, Hidenobu Murata

Journal of the Society of Materials Science, 72, 743-749 (2023). DOI: 10.2472/jsms.72.743
200

Hydrophobicity Manipulation of Titanium-silicalite-1 with Enhanced Catalytic Performance via Liquid-mediated Defect-healing Treatment

Boqing Li, Kenta Iyoki, Piyapatch Techasarintr, Shanmugam Elangovan, Raquel Simancas, Tatsuya Okubo, Toshiyuki Yokoi, Toru Wakihara

ACS Catalysis, 13, 15155-15163 (2023). DOI: 10.1021/acscatal.3c03339
199

Siliceous zeolite-derived topology of amorphous SiO₂

Hirokazu Masai, Shinji Kohara, Toru Wakihara, Yuki Shibazaki, Yohei Onodera, Atsunobu Masuno, Sohei Sukenaga, Koji Ohara, Yuki Sakai, J. Haines, Claire Levelut, Philippe Hébert, Aude Isambert, David Keen, and Masaki Azuma

Communications Chemistry, 6, 269 (2023). DOI: 10.1038/s42004-023-01075-1
198

Drastic Photoemission Color Alternation from a Single Molecule as a Starting Material Introduced in Acid-Treated Zeolites: From Pure Blue to White

Fuminao Kishimoto, Kyohei Hisano, Tatsushi Yoshioka, Kenta Iyoki, Toru Wakihara, Tatsuya Okubo

ACS Applied Materials & Interfaces, 15, 49500–49510 (2023). DOI:　10.1021/acsami.3c10983
197

Fast Synthesis of CHA-type Zeolite Using Dealuminated Amorphous Aluminosilicates with High Reactivity

Yuki Sada, Shoko Miyagi, Masato Yoshioka, Tomoya Ishikawa, Yusuke Naraki, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Chemistry Letters, 52, 691-695 (2023). DOI: 10.1246/cl.230243
196

Investigating the Antiviral Properties of Copper- and Silver-containing Polyoxometalates using a High-throughput Screening Method

Kentaro Yonesato, Makoto Nakakido, Kouhei Tsumoto, Yuki Egami, Nobuhiro Miyamae, Toru Wakihara, Kosuke Suzuki, Kazuya Yamaguchi

Chemistry Letters, 52, 678-681 (2023). DOI: 10.1246/cl.230264
195

Direct microwave energy input on a single cation for outstanding selective Catalysis

Fuminao Kishimoto, Tatsushi Yoshioka, Ryo Ishibashi, Hiroki Yamada, Koki Muraoka, Hiroki Taniguchi, Toru Wakihara, Kazuhiro Takanabe

Science Advances, 9, eadi1744, (2023). DOI: 10.1126/sciadv.adi1744
194

Large-Scale Production of Nano-sized LTA-Type Zeolite Particles by Beads-Milling and Recrystallization Method

Shinya Yamamoto, Hidenobu Murata, Toru Wakihara, Atsushi Nakahira

Journal of the Ceramic Society of Japan, 131, 581-584 (2023). DOI: 10.2109/jcersj2.23092
193

Atomic and electronic structures of an Ag-containing 4A zeolite

Shinya Hosokawa, Kentaro Kobayashi, Akihide Koura, Fuyuki Shimojo, Yasuhisa Tezuka, Jun-ichi Adachi, Yohei Onodera, Shinji Kohara, Hiroo Tajiri, Anand Chokkalingam, Toru Wakihara

Microporous and Mesoporous Materials, 359, 112662 (2023). DOI: 10.1016/j.micromeso.2023.112662
192

Precise tuning of the properties of MOR-type zeolite nanoparticles to improve lower olefins selectivity in composite catalysts for CO2 hydrogenation

Ryusei Oishi, Duanxing Li, Mina Okazaki, Hiroka Kinoshita, Nagomu Ochiai, Noriko Yamauchi, Yoshio Kobayashi, Toru Wakihara, Tatsuya Okubo, Shohei Tada, Kenta Iyoki

Journal of CO2 Utilization, 72, 102491 (2023). DOI: 10.1016/j.jcou.2023.102491
191

Inactivation and spike protein denaturation of novel coronavirus variants by Cu_xO/TiO₂ nano-photocatalysts

Tetsu Tatsuma, Makoto Nakakido, Takeshi Ichinohe, Yoshinori Kuroiwa, Kengo Tomioka, Chang Liu, Nobuhiro Miyamae, Tatsuya Onuki, Kouhei Tsumoto, Kazuhito Hashimoto, Toru Wakihara

Scientific Reports, 13, 4033 (2023). DOI: 10.1038/s41598-023-30690-0
190

Mechanism of Al coordination change in alkaline-earth aluminosilicate glasses: An application of bond valence model

Sohei Sukenaga, Koji Kanehashi, Hiroki Yamada, Koji Ohara, Toru Wakihara, Hiroyuki Shibata

ISIJ International, 63, 1263-1266 (2033). DOI: 10.2355/isijinternational.ISIJINT-2022-398
189

Atom-Selective Analyses Reveal the Structure-Directing Effect of Cs Cation on the Synthesis of Zeolites

Hiroki Yamada, Hirofumi Horikawa, Chokkalingam Anand, Koji Ohara, Toshiaki Ina, Akihiko Machida, Satoshi Tominaka, Tatsuya Okubo, Zhendong Liu, Kenta Iyoki, Toru Wakihara

The Journal of Physical Chemistry Letters, 14, 3574-3580 (2023). DOI: 10.1021/acs.jpclett.3c00432
188

Control of Competitive Structure-Directing Effect in CON-type Zeolite Synthesis via Intermediate Addition Method

Takumi Shibuya, Kenta Iyoki, Hiroaki Onozuka, Masanori Takemoto, Susumu Tsutsuminai, Takahiko Takewaki, Toru Wakihara, Tatsuya Okubo

Crystal Growth & Design, 23, 3509-3517 (2023). DOI: 10.1021/acs.cgd.3c00040
187

Accelerated Crystallization of LTA Zeolite Using a Combination of High-Silica FAU Zeolite with Low Crystallinity and Additional Al Sources

Yuki Yoshida, Yuki Sada, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Crystal Growth & Design, 23, 2231-2238 (2023). DOI: 10.1021/acs.cgd.2c01277
186

Amorphous aluminosilicates as efficient ion exchangers for ammonium cation removal from aqueous solutions

Raquel Simancas, Masamori Takemura, Ching-Tien Chen, Kenta Iyoki, Tatsuya. Okubo, Toru Wakihara

Journal of Non-Crystalline Solids, 605, 122172 (2023). DOI: 10.1016/j.jnoncrysol.2023.122172
185

Interzeolite conversion of FAU-type SAPO-37 to SOD-type SAPO-20 using TMAOH and piperidine and their thermal stabilities

Masanori Takemoto, Yuki Fujikawa, Kenta Iyoki, Nao Tsunoji, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Journal of the Ceramic Society of Japan, 131, 94-99 (2023). DOI: 10.2109/jcersj2.22135

2022

184

Tracking Sub-Nano-Scale Structural Evolution in Zeolite Synthesis by in situ High-Energy X-Ray Total Scattering Measurement with Pair Distribution Function Analysis

Ayano Minami, Peidong Hu, Yuki Sada, Hiroki Yamada, Koji Ohara, Yasuo Yonezawa, Yukichi Sasaki, Yutaka Yanaba, Masanori Takemoto, Yuki Yoshida, Tatsuya Okubo, Toru Wakihara

Journal of the American Chemical Society, 144, 23313-23320 (2022). DOI: 10.1021/jacs.2c05722
183

OSDA-free synthesis of zeolite beta: Broadening the methodology for a successful use of the product as a seed

Junki Tomita, Shanmugam P. Elangovan, Keiji Itabashi, Anand Chokkalingam, Haruko Fujinuma, Zhigang Hao, Akihiro Kanno, Katsuhiko Hayashi, Kenta Iyoki, Toru Wakihara, Tatsuya Okubo

Advanced Powder Technology, 33, 103741, (2022). DOI: 10.1016/j.apt.2022.103741
182

Biased Al distribution of high-silica FAU-type zeolite synthesized by fast manner at high temperature

Yuki Sada, Shoko Miyagi, Kenta Iyoki, Masato Yoshioka, Tomoya Ishikawa, Yusuke Naraki, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Microporous and Mesoporous Materials, 344, 112196, (2022). DOI: 10.1016/j.micromeso.2022.112196
181

ボトムアップ法によるA型ゼオライトの粒径制御技術

山本真矢, 村田秀信, 脇原徹, 中平敦

Journal of the Society of Materials Science, Japan, 71, 910-914 (2022)
180

Fabrication and Evaluation of Transparent Hygroscopic Resin Dispersed with Nano-Sized Zeolite

Takamitsu Kakinaga, Hidenobu Murata, Toru Wakihara, Atsushi Nakahira

Journal of the Society of Materials Science, Japan, 71, 931-935, (2022). DOI: 10.2472/jsms.71.931
179

Ultrafast dealumination of *BEA zeolite using a continuous-flow reactor

Ayano Minami, Masanori Takemoto, Yasuo Yonezawa, Zhendong Liu, Yutaka Yanaba, Anand Chokkalingam, Kenta Iyoki, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Advanced Powder Technology, 33, 103702, (2022). DOI: 10.1016/j.apt.2022.103702
178

Robust CON-type zeolite nanocatalyst in methanol-to-olefins reaction: downsizing, recrystallisation and defect-healing treatments toward prolonged lifetime

Masanori Takemoto, Kenta Iyoki, Yuki Otsuka, Hiroaki Onozuka, Anand Chokkalingam, Toshiyuki Yokoi, Susumu Tsutsuminai, Takahiko Takewaki, Toru Wakahira, Tatsuya Okubo

Materials Advances, 3, 5442-5450 (2022). DOI: 10.1039/d2ma00343k
177

Dealumination of small-pore zeolites through pore-opening migration process with the aid of pore-filler stabilization

Tatsushi Yoshioka, Kenta Iyoki, Yuusuke Hotta, Yoshihiro Kamimura, Hiroki Yamada, Qiao Han, Takeharu Kato, Craig A. J. Fisher, Zhendong Liu, Ryohji Ohnishi, Yutaka Yanaba, Koji Ohara, Yukichi Sasaki, Akira Endo, Takahiko Takewaki, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Science Advances, 8, eabo3093, (2022). DOI: 10.1126/sciadv.abo3093
176

Exploring Hydrothermal Synthesis of SAPO-18 under High Hydrostatic Pressure

Raquel Simancas, Masamori Takemura, Yasuo Yonezawa, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Anand Chokkalingam, Kenta Iyoki, Tatsuya Okubo, Toru Wakihara

Nanomaterials, 12, 396 (2022). DOI: 10.3390/nano12030396
175

Reduction of crystal size of silicalite-1 synthesized in fluoride-containing media via multi-stage heating with intermediate stirring

Kenta Iyoki, Takako Onishi, Mariko Ando, Sohei Sukenaga, Hiroyuki Shibata, Tatsuya Okubo, Toru Wakihara

Journal of the Ceramic Society of Japan, 130, 187-194 (2022). DOI: 10.2109/jcersj2.21139
174

Broadening synthetic scope of SSZ-39 zeolite for NH3-SCR: A fast and direct route from amorphous starting materials

Peidong Hu, Kenta Iyoki, Haruko Fujinuma, Jingyun Yu, Sijing Yu, Chokkalingam Anand, Yutaka Yanaba, Tatsuya Okubo, Toru Wakihara

Microporous and Mesoporous Materials, 330, 111583 (2022). DOI: 10.1016/j.micromeso.2021.111583
173

Revealing Scenarios of Interzeolite Conversion from FAU to AEI through the Variation of Starting Materials

Zhendong Liu, Anand Chokkalingam, Shoko Miyagi, Masato Yoshioka, Tomoya Ishikawa, Hiroki Yamada, Koji Ohara, Nao Tsunoji, Yusuke Naraki, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Physical Chemistry Chemical Physics, 24, 4136-4146 (2022). DOI: 10.1039/d1cp03751j

2021

172

Thermal Conductivity of Sodium Silicate Glasses and Melts: Contribution of Diffusive and Propagative Vibration Modes

Sohei Sukenaga, Takahiko Endo, Tsuyoshi Nishi, Hiroki Yamada, Koji Ohara, Toru Wakihara, Koji Inoue, Sakiko Kawanishi, Hiromichi Ohta, Hiroyuki Shibata

Frontiers in Materials, 8. 753746 (2021). DOI: 10.3389/fmats.2021.753746
171

Engineering Mesopore Formation in Hierarchical Zeolites under High Hydrostatic Pressure

Riku Sato, Zhendong Liu, Ce Peng, Che Tan, Peidong Hu, Jie Zhu, Masamori Takemura, Yasuo Yonezawa, Hiroki Yamada, Akira Endo, Javier García-Martínez, Tatsuya Okubo, Toru Wakihara

Chemistry of Materials, 33, 8440-8446 (2021). DOI: 10.1021/acs.chemmater.1c02800
170

Inactivation of novel coronavirus and alpha variant by photo-renewable Cu_xO/TiO₂ nanocomposites

Tetsu Tatsuma, Makoto Nakakido, Takeshi Ichinohe, Yoshinori Kuroiwa, Kengo Tomioka, Chang Liu, Nobuhiro Miyamae, Tatsuya Onuki, Kouhei Tsumoto, Kazuhito Hashimoto, Toru Wakihara

ChemRxiv, DOI: 10.33774/chemrxiv-2021-tnrs7
169

Tracking the crystallization behavior of high-silica FAU during AEI-type zeolite synthesis using acid treated FAU-type zeolite

Yuki Sada, Anand Chokkalingam, Kenta Iyoki, Masato Yoshioka, Tomoya Ishikawa, Yusuke Naraki, Yutaka Yanaba, Hiroki Yamada, Koji Ohara, Tsuneji Sano, Tatsuya Okubo, Zhendong Liu and Toru Wakihara

RSC Advances, 11, 23082-23089 (2021). DOI: 10.1039/D1RA03150C
168

Reaction Kinetics Regulated Formation of Short-Range Order in an Amorphous Matrix during Zeolite Crystallization

Ching-Tien Chen, Kenta Iyoki, Peidong Hu, Hiroki Yamada, Koji Ohara, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Tatsuya Okubo, Toru Wakihara

Journal of the American Chemical Society, 143, 10986-10997 (2021). DOI: 10.1021/jacs.1c03351
167

Reconsideration of viscosity variation mechanism in calcium ferrite melt during isothermal melting process

Sohei Sukenaga, Koji Ohara, Hiroki Yamada, Toru Wakihara, Hiroyuki Shibata

Metallurgical and Materials Transaction B, 52, pages1945–1949 (2021). DOI: 10.1007/s11663-021-02227-1
166

Recent progress on improvement of hydrothermal stability of zeolites

[Review] Raquel Simancas, Anand Chokkalingam, Shanmugam P. Elangovan, Zhendong Liu, Tsuneji Sano, Kenta Iyoki, Toru Wakihara, Tatsuya Okubo

Chemical Science, 12, 7677-7695 (2021). DOI: 10.1039/D1SC01179K
165

Ultrafast surfactant-templating of *BEA zeolite: An efficient catalyst for the cracking of polyethylene pyrolysis vapours

Umer Khalil, Zhendong Liu, Ce Peng, Naomichi Hikichi, Toru Wakihara, Javier García-Martínez, Tatsuya Okubo, Sankar Bhattacharya

Chemical Engineering Journal, 412, 128556 (2021). DOI: 10.1016/j.cej.2021.128566
164

Synthetic and natural MOR zeolites as high-capacity adsorbents for the removal of nitrous oxide

Keita Yamashita, Zhendong Liu, Kenta Iyoki, Ching-Tien Chen, Shoko Miyagi, Yutaka Yanaba, Yusuke Yamauchi, Tatsuya Okubo, Toru Wakihara

Chemical Communications, 57, 1312-1315 (2021). DOI: 10.1039/d0cc07511f
163

Aryl radical initiators accumulated within layered silicates realize polystyrene with directly and regioselectively bonded aryl-terminal groups

Fuminao Kishimoto, Kyohei Hisano, Toru Wakihara, Tatsuya Okubo

Dalton Transactions, 50, 835-839 (2021). DOI: 10.1039/d0dt04156d
162

Ultrafast and continuous-flow synthesis of AFX zeolite via interzeolite conversion of FAU zeolite

Tatsushi Yoshioka, Zhendong Liu, Kenta Iyoki, Anand Chokkalingam, Yasuo Yonezawa, Yuusuke Hotta, Ryohji Ohnishi, Takeshi Matsuo, Yutaka Yanaba, Koji Ohara, Takahiko Takewaki, Tsuneji Sano, Tatsuya Okubo, Toru Wakihara

Reaction Chemistry & Engineering, 6, 74-81 (2021). DOI: 10.1039/d0re00219d

2020

161

Dense Integration of Stable Aromatic Radicals within Two-dimensional Interlayer Space of Clay Minerals via Clay Catalyzed Deamination of Arylammoniums

Fuminao Kishimoto, Kyohei Hisano, Toru Wakihara, Tatsuya Okubo

Chemistry of Materials, 32, 9008-9015 (2020). DOI: 10.1021/acs.chemmater.0c03347
160

Optimized ultrafast flow synthesis of CON-type zeolite and improvement of its catalytic properties

Anand Chokkalingam, Kenta Iyoki, Naoki Hoshikawa, Hiroaki Onozuka, Watcharop Chaikittisilp, Susumu Tsutsuminai, Takahiko Takewaki, Toru Wakihara, Tatsuya Okubo

Reaction Chemistry & Engineering, 5, 2260-2266 (2020). DOI: 10.1039/d0re00309c
159

Understanding the High Hydrothermal Stability and NH₃-SCR Activity of the Fast-Synthesized ERI Zeolite

Jie Zhu, Zhendong Liu, Le Xu, Takeshi Ohnishi, Yutaka Yanaba, Masaru Ogura, Toru Wakihara, Tatsuya Okubo

Journal of Catalysis, 391, 346-356 (2020). DOI: 10.1016/j.jcat.2020.08.033
158

Functional Mesoporous Silica Nanoparticles for Catalysis and Environmental Applications

[Review] Baljeet Singh, Jongbeom Na, Muxina Konarova, Toru Wakihara, Yusuke Yamauchi, Carlos Salomon, Manoj B. Gawande

Bulletin of the Chemical Society of Japan, 93, 1459-1496 (2020). DOI: 10.1246/bcsj.20200136
157

Toward Efficient Synthesis of Chiral Zeolites: A Rational Strategy for Fluoride-Free Synthesis of STW-Type Zeolite

Yuki Shinno, Kenta Iyoki, Koji Ohara, Yutaka Yanaba, Yusuke Naraki, Tatsuya Okubo, Toru Wakihara

Angewandte Chemie Internatinal Edition, 59, 20099-20103 (2020). DOI: 10.1002/anie.202008233
156

Rational Manipulation of Stacking Arrangements in Three‐Dimensional Zeolites Built from Two‐Dimensional Zeolitic Nanosheets

Le Xu, Tianqiong Ma, Yihan Shen, Yong Wang, Lu Han, Watcharop Chaittisilp, Toshiyuki Yokoi, Junliang Sun, Toru Wakihara, Tatsuya Okubo

Angewandte Chemie Internatinal Edition, 59, 19934-19939 (2020). DOI: 10.1002/anie.202009336
155

Ultrafast encapsulation of metal nanoclusters into MFI zeolite in the course of its crystallization: Catalytic application for propane dehydrogenation

Jie Zhu, Ryota Osuga, Ryo Ishikawa, Naoya Shibata, Yuichi Ikuhara, Junko N. Kondo, Masaru Ogura, Jihong Yu, Toru Wakihara, Zhendong Liu, Tatsuya Okubo

Angewandte Chemie Internatinal Edition, 59, 19669-19674 (2020). DOI: 10.1002/anie.202007044
154

Non-precious molybdenum nanospheres as a novel cocatalyst for full-spectrum-driven photocatalytic CO₂ reforming to CH₄

Shaolong Huang, Huan Yi, Luhong Zhang, Zhengyuan Jin, Yaojia Long, Yiyue Zhang, Qiufan Liao, Jongbeom Na, Hongzhi Cui, Shuangchen Ruan, Yusuke Yamauchi, Toru Wakihara, Yusuf Valentino Kaneti, Yu-Jia Zeng

Journal of Hazardous Materials, 393, 122324 (2020). DOI: 10.1016/j.jhazmat.2020.122324
153

Observation of liquid phase synthesis of sulfide solid electrolytes using time-resolved pair distribution function analysis

Koji Ohara, Naoya Masuda, Hiroshi Yamaguchi, Atsushi Yao, Satoshi Tominaka, Hiroki Yamada, Satoshi Hiroi, Masakuni Takahashi, Kentaro Yamamoto, Toru Wakihara, Yoshiharu Uchimoto, Futoshi Utsuno, Shigeru Kimura

Physica Status Solidi B, 2000106 (2020). DOI: 10.1002/pssb.202000106
152

Comparative study of direct methylation of benzene with methane on cobalt-exchanged ZSM-5 and ZSM-11 zeolites

Peidong Hu, Koshiro Nakamura, Hitoshi Matsubara, Kenta Iyoki, Yutaka Yanaba, Kazu Okumura, Tatsuya Okubo, Naonobu Katada, Toru Wakihara

Applied Catalysis A General, 601, 117661 (2020). DOI: 10.1016/j.apcata.2020.1176
151

Rapid Synthesis of Hydrothermally Stable ZSM-5 in the Presence of 1-butanol

Tatsushi Yoshioka, Zhendong Liu, Kenta Iyoki, Tsuneji Sano, Mariko Ando, Sohei Sukenaga, Hiroyuki Shibata, Tatsuya Okubo, and Toru Wakihara

Chemistry Letters, 49, 1006-1008 (2020). DOI:10.1246/cl.200201
150

Understanding the Nucleation and Crystal Growth of Zeolites: A Case Study on the Crystallization of ZSM‑5 from a Hydrogel System Under Ultrasonication

Ching-Tien Chen, Kenta Iyoki*, Yasuo Yonezawa, Tatsuya Okubo, Toru Wakihara

The Journal of Physical Chemistry C, 124, 11516−11524 (2020). DOI: 10.1021/acs.jpcc.0c02578
149

Superior Ion-exchange Property of Amorphous Aluminosilicates Prepared by a Co-precipitation Method

Naomichi Hikichi, Kenta Iyoki, Yutaka Yanaba, Koji Ohara, Tatsuya Okubo, Toru Wakihara

Chemistry - An Asian Journal, 15, 2029-2034 (2020). DOI: 10.1002/asia.202000287
148

Extremely Stable Zeolites Developed via Designed Liquid-Mediated Treatment

Kenta Iyoki, Kakeru Kikumasa, Takako Onishi, Yasuo Yonezawa, Anand Chokkalingam, Yutaka Yanaba, Taiji Matsumoto, Ryota Osuga, Shanmugam P. Elangovan, Junko N. Kondo, Akira Endo, Tatsuya Okubo, Toru Wakihara

Journal of the American Chemical Society, 142, 3931-3938 (2020). DOI: 10.1021/jacs.9b12709
147

Cu-Erionite Zeolite Achieves High Yield in Direct Oxidation of Methane to Methanol by Isothermal Chemical Looping

Jie Zhu, Vitaly L. Sushkevich, Amy J. Knorpp, Mark A. Newton, Stefanie C. M. Mizuno, Toru Wakihara, Tatsuya Okubo, Zhendong Liu, Jeroen A. van Bokhoven

Chemistry of Materials, 32, 1448-1453 (2020). DOI: 10.1021/acs.chemmater.9b04223
146

Unique crystallization behavior in zeolite synthesis under external high pressures

Che Tan, Zhendong Liu, Yasuo Yonezawa, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Yukichi Sasaki, Tatsuya Okubo, Toru Wakihara

Chemical Communications, 56, 2811-2814 (2020). DOI: 10.1039/c9cc09966b
145

Water-Dispersible Triplet-Triplet Annihilation Photon Upconversion Particle: Molecules Integrated in Hydrophobized Two-Dimensional Interlayer Space of Montmorillonite and Their Application for Photocatalysis in the Aqueous Phase

Fuminao Kishimoto, Toru Wakihara, Tatsuya Okubo

ACS Applied Materials & Interfaces, 12, 7021-7029 (2020). DOI: 10.1021/acsami.9b15957
144

Testing the limits of zeolite structural flexibility: Ultrafast introduction of mesoporosity in zeolites

Ce Peng, Zhendong Liu, Yasuo Yonezawa, Noemi Linares, Yutaka Yanaba, Carlos Alexander Trujillo, Tatsuya Okubo, Taiji Matsumoto, Javier García Martínez*,Toru Wakihara*

Journal of Materials Chemistry A, 8, 735-742 (2020). DOI: 10.1039/c9ta10570k

2019

143

Structural Evolution of Amorphous Precursors toward Crystalline Zeolites Visualized by an in Situ X-ray Pair Distribution Function Approach

Hiroki Yamada, Satoshi Tominaka, Koji Ohara, Zhendong Liu, Tatsuya Okubo, Toru Wakihara*

Journal of Physical Chemistry C, 123, 28419-28426 (2019). DOI: 10.1021/acs.jpcc.9b07232
142

Synthesis and Characterization of MFI-Type Zincosilicate Zeolites with High Zinc Content Using Mechanochemically Treated Si-Zn Oxide Composite

Peidong Hu, Kenta Iyoki, Hiroki Yamada, Yutaka Yanaba, Koji Ohara, Naonobu Katada, Toru Wakihara

Microporous Mesoporous Materials, 288, 109594 (2019). DOI: 10.1016/j.micromeso.2019.109594
141

Nanoarchitectured Metal Phosphates and Phosphonates: A New Material Horizon toward Emerging Applications

[Review] Piyali Bhanja, Jongbeom Na, Tang Jing, Jianjian Lin, Toru Wakihara, Asim Bhaumik, Yusuke Yamauchi

Chemistry of Materials, 31, 5343-5362 (2019). DOI: 10.1021/acs.chemmater.9b01742
140

Continuous flow synthesis of ordered porous materials: from zeolites to metal–organic frameworks and mesoporous silica

[Review] Zhendong Liu, Jie Zhu, Ce Peng, Toru Wakihara, Tatsuya Okubo

Reaction Chemistry &Engineering, 4, 1699-1720 (2019). DOI: 10.1039/C9RE00142E
139

Crucial Factors for Seed-Directed Synthesis of CON-type Aluminoborosilicate Zeolites Using Tetraethylammonium

Sibel Sogukkanli, Koki Muraoka, Kenta Iyoki, Shanmugam P. Elangovan, Yutaka Yanaba, Watcharop Chaikittisilp, Toru Wakihara, Tatsuya Okubo

Crystal Growth & Design, 19, 5283-5291 (2019). DOI: 10.1021/acs.cgd.9b00724
138

Zeolite Crystallization Triggered by Intermediate Stirring

Ching-Tien Chen, Kenta Iyoki, Hiroki Yamada, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Koji Ohara, Toru Wakihara, Tatsuya Okubo

Journal of Physical Chemistry C, 123, 20304-20313 (2019). DOI: 10.1021/acs.jpcc.9b04778
137

Bridging the Gap between Structurally Distinct 2D Lamellar Zeolitic Precursors through a 3D Germanosilicate Intermediate

Le Xu, Madhuresh K. Choudhary, Koki Muraoka, Watcharop Chaikittisilp, Toru Wakihara, Jeffrey D. Rimer, Tatsuya Okubo

Angewandte Chemie Internatinal Edition, 131, 14671–14675 (2019). DOI: 10.1002/ange.201907857
136

Ultrafast synthesis of AFX-Type zeolite with enhanced activity in the selective catalytic reduction of NOx and hydrothermal stability

Anand Chokkalingam, Watcharop Chaikittisilp, Kenta Iyoki, Sye Hoe Keoh, Yutaka Yanaba, Takeshi Yoshikawa, Tetsuro Kusamoto, Tatsuya Okubo, Toru Wakihara

RSC Advances, 9, 16790-16796 (2019). DOI: 10.1039/c9ra02787d
135

Role of sodium cation during aging process in the synthesis of LEV-type zeolite

Naomichi Hikichi, Kenta Iyoki, Yusuke Naraki, Yutaka Yanaba, Koji Ohara, Tatsuya Okubo, Toru Wakihara

Microporous Mesoporous Materials, 284, 82-89 (2019). DOI: 10.1016/j.micromeso.2019.03.051
134

Ultrafast post-synthesis treatment to prepare ZSM-5@Silicalite-1 as a core-shell structured zeolite catalyst

Ce Peng, Zhendong Liu, Yasuo Yonezawa, Yutaka Yanaba, Naonobu Katada, Ikuma Murayama, Sakura Segoshi, Tatsuya Okubo, Toru Wakihara

Microporous Mesoporous Materials, 277, 197-202 (2019). DOI: 10.1016/j.micromeso.2018.10.036
133

Insights into the ion-exchange properties of Zn(II)-incorporated MOR zeolites for the capture of multivalent cations

Bangda Wang, Natsume Koike, Kenta Iyoki, Watcharop Chaikittisilp, Yi Wang, Toru Wakihara, Tatsuya Okubo*

Physical Chemistry Chemical Physics, 21, 4015-4021 (2019). DOI: 10.1039/c8cp06975a
132

Identifying the Factors Governing the Early-Stage Degradation of Cu-Chabazite Zeolite for NH₃‑SCR

Toyohiro Usui, Zhendong Liu, Hirokazu Igarashi, Yukichi Sasaki, Yuji Shiramata, Hiroki Yamada, Koji Ohara, Tetsuro Kusamoto, Toru Wakihara

ACS Omega, 4, 3653-3659 (2019). DOI: 10.1021/acsomega.8b03409
131

Ultrafast Synthesis of Zeolites: Breakthrough, Progress and Perspective

[Review] Zhendong Liu, Jie Zhu, Toru Wakihara, Tatsuya Okubo*

Inorganic Chemistry Frontiers, 6, 14-31 (2019). DOI: 10.1039/C8QI00939B

2018

130

Addressing the viscosity challenge: ultrafast, stable-flow synthesis of zeolites with an emulsion method

Jie Zhu, Zhendong Liu, Yasuo Yonezawa, Kazuto Honda, Satoshi Okada, Shigeru Deguchi, Tatsuya Okubo, Toru Wakihara

Reaction Chemistry & Engineering, 3, 844-848 (2018). DOI: 10.1039/c8re00139a
129

A time-resolved PDF analysis for disordered materials at BL04B2 and BL08W beamlines of SPring-8

Koji Ohara, Satoshi Tominaka, Hiroki Yamada, Masakuni Takahashi, Hiroshi Yamaguchi, Futoshi Utsuno, Takashi Umeki, Atsushi Yao, Kengo Nakada, Satoshi Hiroi, Naruki Tsuji, Toru Wakihara

Journal of Synchrotron Radiation, 25, 1627-1633 (2018). DOI: 10.1107/S1600577518011232
128

Improvement of Hydrothermal Stability of Cu-SSZ-13 Zeolite Catalyst by Loading a Small Amount of Ce

Toyohiro Usui*, Zhendong Liu, Sayoko Ibe, Chokkalingam Anand, Hirokazu Igarashi, Naoki Onaya, Yukuchi Sasaki, Yuji Shiramata, Toru Wakihara

ACS catalysis, 8, 9165-9173 (2018). DOI: 10.1021/acscatal.8b01949
127

A 3-D Organically Synthesized Porous Carbon

Ziqiang Zhao, Saikat Das, Guolong Xing, Pierre Fayon, Patrick Heasman, Michael Jay, Steven Bailey, Colin Lambert, Hiroki Yamada, Toru Wakihara, Abbie Trewin, Teng Ben, Shilun Qiu, Valentin Valtchev

Angewandte Chemie Internatinal Edition, 57, 1-6 (2018). DOI: 10.1002/anie.201805924
126

Comparative Study of Aluminosilicate Glass and Zeolite Precursors in Terms of Na Environment and Network Structure

Hiroki Yamada, Sohei Sukenaga, Koji Ohara, Chokkalingam Anand, Mariko Ando, Hiroyuki Shibata, Tatsuya Okubo, Toru Wakihara

Microporous Mesoporous Materials, 271, 33-40 (2018). DOI: 10.1016/j.micromeso.2018.05.006
125

Temperature-Controlled, Two-Stage Synthesis of ZSM-5 Zeolite Nanoparticles with Al Atoms Tetrahedrally Coordinated in the Framework

Makiko Deguchi, Kenta Iyoki, Chokkalingam, Yutaka Yanaba, Takeshi Yoshikawa, Tatsuya Okubo, Toru Wakihara

Microporous Mesoporous Materials, 270, 200-203 (2018). DOI: 10.1016/j.micromeso.2018.05.009
124

Concerted bimetallic nanocluster synthesis and encapsulation via induced zeolite framework demetallation for shape and substrate selective heterogeneous catalysis

Takayuki Iida, Daniela Zanchet, Koji Ohara, Toru Wakihara, Yuriy Román-Leshkov

Angewandte Chemie Internatinal Edition, 57, 6454-6458 (2018). DOI:10.1002/anie.201800557
123

Crystallization of Ti-Rich *BEA Zeolites by the Combined Strategy of Using Ti−Si Mixed Oxide Composites and Intentional Aluminum Addition/Post-Synthesis Dealumination

Hirofumi Horikawa, Takayuki Iida, Ryota Osuga, Koji Ohara, Junko N. Kondo, Toru Wakihara

Crystal Growth & Design, 18, 2180-2188 (2018). DOI: 10.1021/acs.cgd.7b01621
122

Formation of a Dense Non-Crystalline Layer on the Surface of Zeolite Y Crystals under High-Temperature Steaming Conditions

Kenta Iyoki, Yudai Yamaguchi, Akira Endo, Yasuo Yonezawa, Tadashi Umeda, Hiroki Yamada, Yutaka Yanaba, Takeshi Yoshikawa, Koji Ohara, Kaname Yoshida, Yukichi Sasaki, Tatsuya Okubo, and Toru Wakihara

Microporous Mesoporous Materials, 268, 77-83 (2018). DOI: 10.1016/j.micromeso.2018.04.021
121

Ultrafast Synthesis of *BEA Zeolite without the Aid of Aging Pretreatment

Jie Zhu, Zhendong Liu, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Tatsuya Okubo, Toru Wakihara

Microporous Mesoporous Materials, 268, 1-8 (2018). DOI: 10.1016/j.micromeso.2018.04.012
120

Fast synthesis of SSZ-24: A pure silica zeolite with AFI framework

Ce Peng, Zhendong Liu, Tatsuya Okubo, Toru Wakihara

Chemistry Letters, 47, 654-656 (2018). DOI: 10.1246/cl.180112
119

Zeolites with isolated-framework and oligomericextraframework hafnium species characterized with pair distribution function analysis

Takayuki Iida, Koji Ohara, Yuriy Roma´n-Leshkov, Toru Wakihara

Physical Chemistry Chemical Physics, 20, 7914-7919 (2018). DOI: 10.1039/c8cp00464a (2018 PCCP Hot Article)
118

Preparation of nanosized SSZ-13 zeolite with enhanced hydrothermal stability by a two-stage synthetic method

Ce Peng, Zhendong Liu, Aoki Horimoto, Chokkalingam Anand, Hiroki Yamada, Koji Ohara, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Takahiko Takewaki, Rino R. Mukti, Tatsuya Okubo, Toru Wakihara

Microporous Mesoporous Materials, 255, 192-199 (2018). DOI: 10.1016/j.micromeso.2017.07.042

2017

117

Encapsulation of molybdenum carbide nanoclusters inside zeolite micropores enables synergistic bifunctional catalysis for anisole hydrodeoxygenation

Takayuki Iida, Manish Shetty, Karthick Murugappan, Zhenshu Wang, Koji Ohara, Toru Wakihara, Yuriy Roman-Leshkov

ACS catalysis, 7, 8147-8151 (2017). DOI: 10.1021/acscatal.7b03175
116

Comparative Study on the Different Interaction Pathways between Amorphous Aluminosilicate Species and Organic Structure-Directing Agents Yielding Different Zeolite Phases

Tadashi Umeda, Hiroki Yamada, Koji Ohara, Kaname Yoshida, Yukichi Sasaki, Miku Takano, Satoshi Inagaki, Yoshihiro Kubota, Takahiko Takewaki, Tatsuya Okubo, Toru Wakihara

Journal of Physical Chemistry C, 121, 24324-24334 (2017). DOI: 10.1021/acs.jpcc.7b07745
115

Ultrafast synthesis of high-silica erionite zeolites with improved hydrothermal stability

Jie Zhu, Zhendong Liu, Kenta Iyoki, Chokkalingam Anand, Kaname Yoshida, Yukichi Sasaki, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Tatsuya Okubo, Toru Wakihara

Chemical Communications, 53, 6796-6799 (2017). DOI: 10.1039/c7cc03166a
114

Preparation and Gas Permeation Properties of Fluorine-Silica Membranes With Controlled Amorphous Silica Structures: Effect of Fluorine Source and Calcination Temperature on Network Size

Masakoto Kanezashi, Takuya Matsutani, Toru Wakihara, Hiroki Nagasawa, Tatsuya Okubo, Toshinori Tsuru

ACS Applied Materials & Interfaces, 9,24625-24633 (2017). DOI: 10.1021/acsami.7b06800
113

Rational seed-directed synthesis of MSE-type zeolites using a simple organic structure-directing agent by extending the composite building unit hypothesis

Sibel Sogukkanli, Kenta Iyoki, Shanmugam P. Elangovan, Keiji Itabashi, Miku Takano, Zhendong Liu, Satoshi Inagaki, Toru Wakihara, Yoshihiro Kubota, Tatsuya Okubo

Microporous Mesoporous Materials, 245, 1-7 (2017). DOI: 10.1016/j.micromeso.2017.02.073
112

Ultrafast, OSDA-free Synthesis of Mordenite Zeolite

Jie Zhu, Zhendong Liu, Akira Endo, Yutaka Yanaba, Takeshi Yoshikawa, Toru Wakihara, Tatsuya Okubo

CrystEngComm, 19, 632-640 (2017). DOI: 10.1039/c6ce02237e
111

乾式微粒子分散複合化装置を利用したCeO2微粒子とZSM-5ゼオライトの複合化

稲垣怜史、林俊祐、山田愛実、福岡拓也、松本昌之、脇原徹、窪田好浩

粉体工学会誌(Journal of the Society of Powder Technology, Japan), 53, 810-819 (2016)

2016

110

Continuous flow synthesis of ZSM-5 zeolite on the order of seconds

Zhendong Liu, Kotatsu Okabe, Chokkalingam Anand, Yasuo Yonezawa, Jie Zhu, Hiroki Yamada, Akira Endo, Yutaka Yanaba, Takeshi Yoshikawa, Koji Ohara, Tatsuya Okubo, Toru Wakihara

Proceedings of the National Academy of Sciences of the United States of America (PNAS), 113, 14267-14271 (2016). (DOI: 10.1073/pnas.1615872113)
109

Analysis of sintering behavior of silicon nitride based on master sintering curve theory of liquid phase sintering

Junichi Tatami, Daisuke Hiratsuka, Shigefumi Okada, Katsutoshi Komeya, Toru Wakihara

Journal of the Ceramic Society of Japan, 124, 375-380 (2016)
108

Pioneering In Situ Recrystallization during Bead Milling: A Top-down Approach to Prepare Zeolite A Nanocrystals

Chokkalingam Anand, Yudai Yamaguchi, Zhendong Liu, Sayoko Ibe, Shanmugam P. Elangovan, Toshihiro Ishii, Tsuyoshi Ishikawa, Akira Endo, Tatsuya Okubo, Toru Wakihara

Scientific Reports, DOI: 10.1038/srep29210
107

Ultrafast and Continuous Flow Synthesis of Silicoaluminophosphates

Zhendong Liu, Toru Wakihara (equally contributed), Naoki Nomura, Takeshi Matsuo, Chokkalingam Anand, Shanmugam P. Elangovan, Yutaka Yanaba, Takeshi Yoshikawa, Tatsuya Okubo

Chemistry of Materials, 28, 4840-4847 (2016)
106

Downsizing AFX zeolite crystals to nanoscale by post-milling recrystallization method

Hiroki Yamada, Takayuki Iida, Zhendong Liu, Yusuke Naraki, Koji Ohara, Shinji Kohara, Tatsuya Okubo, Toru Wakihara

Crystal Growth & Design, 16, 3389−3394 (2016)
105

Tailoring the Subnano Silica Structure via Fluorine Doping for Development of Highly Permeable CO₂ Separation Membranes

Masakoto Kanezashi, Takuya Matsutani, Toru Wakihara, Hiromasa Tawarayama, Hiroki Nagasawa, Tomohisa Yoshioka, Tatsuya Okubo, Toshinori Tsuru

ChemNanoMat, 2, 264-267 (2016)
104

Mesoporogen-free synthesis of hierarchically porous ZSM-5 below 100 ^oC

Grandprix T.M. Kadja, Rino R. Mukti, Zhendong Liu, Mita Rilyanti, Ismunandar, I Nyoman Marsih, Masaru Ogura, Toru Wakihara, Tatsuya Okubo

Microporous and Mesoporous Materials, 226, 344-352 (2016)
103

Improvement in the catalytic properties of ZSM-5 zeolite nanoparticles via mechanochemical and chemical modifications

Satshi Inagaki, Shoma Shinoda, Shunsuke Hayashi, Toru Wakihara, Hiroshi Yamazaki, Junko N. Kondo, Yoshihiro Kubota

Catalysis Science & Technology, 6, 2598-2604 (2016)
102

Downsizing K-CHA zeolite by a postmilling-recrystallization method for enhanced base-catalytic performance

Chokkalingam Anand, Takeshi Kaneda, Satoshi Inagaki, Sae Okamura, Hiroki Sakurai, Kyosuke Sodeyama, Taiji Matsumoto, Yoshihiro Kubota, Tatsuya Okubo and Toru Wakihara

New Journal of Chemistry, 40, 492-496 (2016)
101

Ultrafast synthesis of silicalite-1 using a tubular reactor with a feature of rapid heating

Zhendong Liu, Toru Wakihara, Chokkalingam Anand, Sye Hoe Keoh, Daisuke Nishioka, Yuusuke Hotta, Takeshi Matsuo, Takahiko Takewaki, Tatsuya Okubo

Microporous and Mesoporous Materials, 223, 140-144 (2016)

2015

100

Preparation and electrical properties of sintered bodies composed of Mn(1+0.5X) FeNi(1-0.5X)O₄(0 <= X <= 1.00) with cubic spinel structure

Takashi Yokoyama, Keita Kato, Takeshi Meguro, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Shinji Okazaki, Daisuke Ito

Journal of Ceramic Processing Research, 16, 531-535 (2015)
99

Structure-Directing Behaviors of Tetraethylammonium Cations toward Zeolite Beta Revealed by the Evolution of Aluminosilicate Species Formed during the Crystallization Process

Takaaki Ikuno, Watcharop Chaikittisilp, Zhendong Liu, Takayuki Iida, Yutaka Yanaba, Takeshi Yoshikawa, Shinji Kohara, Toru Wakihara, Tatsuya Okubo

Journal of American Chemical Society, 137, 14533-14544 (2015)
98

Synthesis of (Silico)aluminophosphate Molecular Sieves Using an Alkanolamine as a Novel Organic Structure-directing Agent

Xiying Li, Watcharop Chaikittisilp, Zhendong Liu, Yutaka Yanaba, Takeshi Yoshikawa, Toru Wakihara, and Tatsuya Okubo

Chemistry Letters, 44, 1300-1302 (2015)
97

A top-down methodology for ultrafast tuning of nanosized zeolites

Zhendong Liu, Naoki Nomura, Daisuke Nishioka, Yuusuke Hotta, Takeshi Matsuo, Kazunori Oshima, Yutaka Yanaba, Takeshi Yoshikawa, Koji Ohara, Shinji Kohara, Takahiko Takewaki, Tatsuya Okubo, Toru Wakihara

Chemical Communications, 51, 12567-12570 (2015)
96

Sn-Beta Zeolite Catalysts with High Sn Contents Prepared from Sn–Si Mixed Oxide Composites

Takayuki Iida, Atsushi Takagaki, Shinji Kohara, Tatsuya Okubo, Toru Wakihara

ChemNanoMat, 1, 155-158 (2015)
95

Widening Synthesis Bottlenecks: Realization of Ultrafast and Continuous-Flow Synthesis of High-Silica Zeolite SSZ-13 for NOx Removal

Zhendong Liu, Toru Wakihara, Kazunori Oshima, Daisuke Nishioka, Yuusuke Hotta, Shanmugam P. Elangovan, Yutaka Yanaba, Takeshi Yoshikawa, Watcharop Chaikittisilp, Takeshi Matsuo, Takahiko Takewaki, Tatsuya Okubo

Angewandte Chemie International Edition, 54, 5683-5687 (2015)
94

Preparation and characterization of Silicalite-1 zeolites with high manganese contents from mechanochemically pretreated reactants

Takayuki Iida, Mitsutaka Sato, Chiya Numako, Atsushi Nakahira, Shinji Kohara, Tatsuya Okubo, Toru Wakihara

Journal of Materials Chemistry A, 3, 6125-6222 (2015)
93

Mechanochemical Approach for Selective Deactivation of External Surface Acidity of ZSM‑5 Zeolite Catalyst

Satoshi Inagaki, Koki Sato, Shunsuke Hayashi, Junichi Tatami, Yoshihiro Kubota, Toru Wakihara

ACS Applied Materials & Interfaces, 7, 4488-4493 (2015)
92

Local Fracture Toughness of Si₃N₄ Ceramics Measured using Single-Edge Notched Microcantilever Beam Specimens

Junichi Tatami, Masaki Katayama, Masahiro Ohnishi, Tsukaho Yahagi, Takuma Takahashi, Takahiro Horiuchi, Masahiro Yokouchi, Kouichi Yasuda, Do Kyung Kim, Toru Wakihara, Katsutoshi Komeya

Journal of the American Ceramic Society, 98, 965-971 (2015)

2014

91

Control of Dispersion and Agglomeration of CNTS for their Networking—Mechanical and Electrical Properties of CNT/Alumina Composites

Mitsuaki Matsuoka, Junichi Tatami, Toru Wakihara

Innovative Processing and Manufacturing of Advanced Ceramics and Composites II: Ceramic Transactions, Volume 243, 117–120, (2014). Published Online : 1 2014, DOI: 10.1002/9781118771464.ch12
90

Synthesis of MCM-41 with High Manganese Content by Mechanochemical Pretreatment of the Starting Materials

Takayuki Iida, Mitsutaka Sato, Zhendong Liu, Chiya Numako, Atsushi Nakahira, Tatsuya Okubo, Toru Wakihara

Chemistry Letters, 43, 1346-1348 (2014)
89

Crystal Growth Kinetics as a Tool for Controlling the Catalytic Performance of a FAU-Type Basic Catalyst

Satoshi Inagaki, Karine Thomas, Valerie Ruaux, Guillaume Clet, Toru Wakihara, Shoma Shinoda, Sae Okamura, Yoshihiro Kubota, Valentin Valtchev

ACS Catalysis, 4, 2333-2341 (2014)
88

Ultrafast Continuous-Flow Synthesis of Crystalline Microporous Aluminophosphate AlPO₄-5

Zhendong Liu, Toru Wakihara, Daisuke Nishioka, Kazunori Oshima, Takahiko Takewaki, Tatsuya Okubo

Chemistry of Materials, 26, 2327-2331 (2014)
87

Broadening the Applicable Scope of Seed-Directed, Organic Structure-Directing Agent-Free Synthesis of Zeolite to Zincosilicate Components: A case of VET-Type Zincosilicate Zeolites

Kenta Iyoki, Keiji Itabashi, Watcharop Chaikittisilp, Shanmugam P. Elangovan, Toru Wakihara, Shinji Kohara, Tatsuya Okubo

Chemistry of Materials, 26, 1597-1966 (2014)
86

Highly Crystallized Nanometer-Sized Zeolite A with Large Cs Adsorption Capability for the Decontamination of Water

Nagy L. Torad, Masanobu Naito, Junichi Tatami, Akira Endo, Sin-Yen Leo, Shinsuke Ishihara, Kevin C-W Wu, Toru Wakihara, Yusuke Yamauchi

Chemistry an Asian Journal, 9, 759-763 (2014)
85

Fabrication and evaluation of hybrid materials from A-zeolite and ground glass powders for vitrified radioactive waste

Masataka Kamitani, Toru Tagami, Mitsunori Kondo, Tomonori Hiki, Toru Wakihara, Atsushi Nakahira

Journal of the Ceramic Society of Japan, 121, 151-155 (2014)
84

One-minute synthesis of crystalline microporous aluminophosphate (AlPO₄-5) by combining fast heating with a seed-assisted method

Zhendong Liu, Toru Wakihara, Daisuke Nishioka, Kazunori Oshima, Takahiko Takewaki, Tatsuya Okubo

Chemical Communications, 50, 2526-2528 (2014)

2013

83

Top-Down Tuning of Nanosized Zeolites by Bead-Milling and Recrystallization (Review)

[Review] Toru Wakihara, Junichi Tatami

Journal of the Japan Petroleum Institute, 56, 206-213 (2013)
82

Preparation and electrical properties of sintered oxide composed of MnFeNiO₄ with a cubic spinel structure

Takashi Yokoyama, Takeshi Meguro, K. Kato, S. Okazaki, D. Ito, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya

Journal of Electroceramics, 31, 353-359 (2013)
81

Facile Synthesis of Nano-Sized Zeolite by Recrystallization of Milled Zeolite with Small Amount of NaOH Solution

Toru Wakihara, Satoshi Abe, Junichi Tatami, Akira Endo, Kaname Yoshida, Yukichi Sasaki

Advanced Porous Materials, 1　214-218 (2013)
80

Tracking the structural changes in pure and heteroatom substituted aluminophosphate, AIPO-18, using synchrotron based X-ray diffraction techniques

Martin Martis, Andrew J. Smith, Chiu Tang, Julia E. Parker, Timothy I. Hyde, Michael J. Watson, Xavier Baucherel, Shinji Kohara, Toru Wakihara and Gopinathan Sankar

Physical Chemistry Chemical Physics, 15,　11766-11774 (2013)
79

Synthesis of pure-silica ZSM-48 zeolite under mild hydrothermal condition with conventional amphiphilic cation by tuning the reactant gel composition

Takahiko Moteki, Sye Hoe Keoh, Takafumi Ohmura, Kenta Iyoki, Toru Wakihara, Tatsuya Okubo

Journal of the Ceramic Society of Japan, 121, 575-577 (2013)
78

Rapid Synthesis of an Aluminum-Rich MSE-Type Zeolite by the Hydrothermal Conversion of an FAU-Type Zeolite

Satoshi Inagaki, Yasuyuki Tsuboi, Yuji Nishita, Tuan Syahylah, Toru Wakihara Yoshihiro Kubota

Chemistry - A European Journal, 19　7780-7786 (2013)

2012

77

Characterization of Amorphized Zeolite A by Combining High-Energy X-ray Diffraction and High-Resolution Transmission Electron Microscopy

Kaku Sato, Toru Wakihara, Shinji Kohara, Koji Ohara, Junichi Tatami, Akira Endo, Satoshi Inagaki, Izuru Kawamura, Akira Naito, Yoshihiro Kubota

Journal of Physical Chemistry C, 48, 25293-25299 (2012)
76

Development of CNT-dispersed Si₃N₄ Ceramics by Adding Lower temperature Sintering Aids

Mitsuaki Matsuoka, Sara Yoshio, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Journal of the Korean Ceramic Society, 49, 333-336 (2012)
75

Development of CNT-Si₃N₄ Composites with high Strength and Electrical Conductivity by Adding HfO₂

Mitsuaki Matsuoka, Sara Yoshio, Tomohiro Yamakawa, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Transactions of the Materials Research Society of Japan, 37, 11-14 (2012)
74

Ion-exchange properties of nano zeolite A prepared by bead milling and post-milling recrystallization method

Toru Wakihara, Ryuma Ichikawa,Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro

Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials VI Pages: 129–134, (2012). Published Online : 3 2012, DOI: 10.1002/9781118217528.ch14
73

Preparation of Nano-Zeolite X by Bead-Milling and Post-Milling Recrystallization

Toru Wakihara, Koki Sato, Kaku Sato, Junichi Tatami, Shinji Kohara, Katsutoshi Komeya and Takeshi Meguro

Journal of the Ceramic Society of Japan, 120, 341-343 (2012)
72

Effect of TiO₂ addition on thermal and mechanical properties of Y-Si-Al-O-N glasses

Toru Wakihara, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Abdessamad Kidari, Stuart Hampshire, Michael J. Pomeroy

Journal of the European Ceramic Society, 32, 1157-1161 (2012)

2011

71

Synthesis and Characterization of Si-based Materials: Zeolites and SiAlONs

[Review] Toru Wakihara

Journal of the Ceramic Society of Japan, 119, 255-260 (2011)
70

Microstructure Control of Si₃N₄ Ceramics using Nanocomposite Particles Prepared by Dry Mechanical Treatment

Junichi Tatami, Makoto Noguchi, Hiromi Nakano, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials V: Ceramic Engineering and Science Proceedings, Volume 32, Pages: 177–182, (2011). Published Online : 15 2011, DOI: 10.1002/9781118095379.ch20
69

Electrical Conductive CNT-Dispersed Si3N4 Ceramics with Double Percolation Structure

Sara Yoshio, Junichi Tatami, Toru Wakihara, Tomohiro Yamakawa, Katsutoshi Komeya, Takeshi Meguro

Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials V: Ceramic Engineering and Science Proceedings, Volume 32 Pages: 77–82, (2011). Published Online: 15 2011, DOI: 10.1002/9781118095379.ch8
68

High Temperature Mechanical Properties of Dense AlN-SiC Ceramics Fabricated by Spark Plasma Sintering Without Sintering Additives

Ryota Kobayashi, Junichi Tatami, I. Wei Chen, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Takashi Goto, Rong Tu,

Journal of the American Ceramic Society, 94, 4150-4153 (2011)
67

Top-down tuning of nanosized ZSM-5 zeolite catalyst by bead milling and recrystallization

Toru Wakihara, Akio Ihara, Satoshi Inagaki, Junichi Tatami, Kaku Sato, Katsutoshi Komeya, Takeshi Meguro, Yoshihiro Kubota, Atsushi Nakahira

Crystal Growth & Design, 11, 5153-5158 (2011)
66

Dispersion of carbon nanotubes in ethanol by a bead milling process

Sara Yoshio, Junichi Tatami, Tomohiro Yamakawa, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Kenji Aramaki, Kouichi Yasuda

Carbon, 49, 4131-4137 (2011)
65

Effect of the atomic arrangement of amorphized zeolite on the recrystallization behavior to crystalline zeolite

Kaku Sato, Toru Wakihara, Shinji Kohara, Junichi Tatami, Satoshi Inagaki, Yoshihiro Kubota, Katsutoshi Komeya, Takeshi Meguro

Journal of the Ceramic Society of Japan, 119, 605-608 (2011)
64

Bead-Milling and Postmilling Recrystallization: An Organic Template-free Methodology for the Production of Nano-zeolites

Toru Wakihara, Ryuma Ichikawa, Junichi Tatami, Akira Endo, Kaname Yoshida, Yukichi Sasaki, Katsutoshi Komeya, Takeshi Meguro

Crystal Growth & Design, 11, 955-958 (2011)
63

Effect of CNT quantity and sintering temperature on electrical and mechanical properties of CNT-dispersed Si₃N₄ ceramics

Sara Yoshio, Junichi Tatami, Toru Wakihara, Tomohiro Yamakawa, Hiromi Nakano, Katsutoshi Komeya, Takeshi Meguro

Journal of the Ceramic Society of Japan, 119, 70-75 (2011)
62

Crystallization Behavior of Zeolite Beta in OSDA-Free, Seed-Assisted Synthesis

Yoshihiro Kamimura, Shinya Tanahashi, Keiji Itabashi, Ayae Sugawara, Toru Wakihara, Atsushi Shimojima, Tatsuya Okubo

Journal of Physical Chemistry C, 115, 744-750 (2011)
61

Mechanistic Study on the Synthesis of a Porous Zincosilicate VPI-7 Containing Three-Membered Rings

Yasuhiro Suzuki, Toru Wakihara, Shinji Kohara, Keiji Itabashi, Masaru Ogura, Tatsuya Okubo

Journal of Physical Chemistry C, 115, 443-446 (2011)

2010

60

Development of Advanced Ceramics by Powder Composite Process

Junichi Tatami, Hiromi Nakano, Toru Wakihara, Katsutoshi Komeya

Kona Powder and Particle Journal, 28, 227-240 (2010)
59

Evaluation of Grain-Boundary Conduction of Dense AlN-SiC Solid Solution by Scanning Nonlinear Dielectric Microscopy

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Rong Tu, Takashi Goto

Journal of the American Ceramic Society, 93, 4026-4029 (2010)
58

Preparation of ZnO/Al₂O₃ nanocomposite particles by mechanical treatment

Satoko Tasaki, Junichi Tatami, Hiromi Nakano, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Ceramic Transactions, 219, 151-154 (2010)
57

Fabrication of Fine Zeolite with Improved Catalytic Properties by Bead Milling and Alkali Treatment

Toru Wakihara, Koki Sato, Satoshi Inagaki, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Yoshihiro Kubota

ACS Applied Materials & Interfaces, 2, 2715-2718 (2010)
56

Changes in the medium-range order of zeolite A by mechanical and thermal Amorphization

Toru Wakihara, Kaku Sato, Gopinathan Sankar, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Kenneth J. D. MacKenzie

Microporous and Mesoporous Materials, 136, 92-96 (2010)
55

Fabrication of ZnO ceramics using ZnO/Al2O3 nanocomposite particles prepared by mechanical treatment

Satoko Tasaki, Junichi Tatami, Hiromi Nakano, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Journal of the Ceramic Society of Japan, 118, 118-121 (2010)

2009

54

Electrical Properties of AlN-SiC Solid Solutions with Additions of A1 and C

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Mechanical Properties and Performance of Engineering Ceramics and Composites III Pages: 111–115, (2009). Published Online: 14 2009, DOI: 10.1002/9780470339497.ch11
53

Influence of coarse particles on microstructure of aluminum nitride sintered body

Akira Kuibira, Hiroshi Okada, Hirohiko Nakata, Hirotatsu Kawaguchi, Junichi Tatami, Toru Wakihara, Takeshi Meguro, Katsutoshi Komeya

Advanced Powder Technology, 20, 464-467 (2009)
52

Fabrication and electrical properties of sintered bodies composed of Mn_(1.75-1.25X)Co_2.5XNi_1.25(1-X)O₄ (0 <= X <= 0.6) with a cubic spinel structure

Takashi Yokoyama, Takeshi Meguro, Masaru Nakamura, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya

Journal of Ceramic Processing Research, 10, 683-688 (2009)
51

Changes in the medium-range order during crystallization of aluminosilicate zeolites characterized by high-energy X-ray diffraction technique

Toru Wakihara, Yasuhiro Suzuki, Wei Fan, Seijiro Saito, Shinji Kohara, Gopinathan Sankar, Manuel Sanchez-Sanchez, Masaru Ogura, Tatsuya Okubo

Journal of the Ceramic Society of Japan, 117, 277-282 (2009)
50

A New Method for the Synthesis of Alumina Nanotubes from Polymer Composite Materials

Toru Wakihara, Tetsuro Hirasaki, Masashi Shinoda, Takeshi Meguro, Junichi Tatami, Katsutoshi Komeya, Satoshi Inagaki, Yoshihiro Kubota

Crystal Growth & Design, 9, 1260-1263 (2009)
49

Cooperative Effect of Sodium and Potassium Cations on Synthesis of Ferrierite

Yasuhiro Suzuki, Toru Wakihara, Keiji Itabashi, Masaru Ogura, Tatsuya Okubo

Topics in Catalysis, 52, 67-74 (2009)
48

Synthesis and characterization of b-SiAlON phosphor powder prepared by reduction nitridation of a zeolite

Toru Wakihara, Yuri Saito, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Yumi Fukuda, Naotoshi Matsuda, Hironori Asai

Key Engineering Materials, 403, 141-144 (2009)
47

Fabrication and mechanical properties of TiN nanoparticle- dispersed Si₃N₄ ceramics from Si₃N₄–nano TiO₂ composite particles obtained by mechanical treatment

Eriko Kodama, Junichi Tatami, Toru Wakihara, Takeshi Meguro, Katsutoshi Komeya, Hiromi Nakano

Key Engineering Materials, 403, 221-224 (2009)
46

Sintering shrinkage behavior and mechanical properties of HfO₂-added Si₃N₄ ceramics

Daisuke Horikawa, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Key Engineering Materials, 403, 35-38 (2009)
45

Sintering shrinkage behavior of Si₃N₄ ceramics prepared by a post-reaction sintering technique

Hiromasa Yabuki, Toru Wakihara, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Hideki Kita, Naoki Kondo, Kiyoshi Hirao

Key Engineering Materials, 403, 31-34 (2009)
44

Fabrication of electrically conductive Si₃N₄ ceramics by dispersion of carbon nanotubes

Sara Yoshio, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Key Engineering Materials, 403, 19-22 (2009)
43

Fabrication and evaluation of AlN–SiC solid solutions with p-type electrical conduction

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Rong Tu, Takashi Goto

Key Engineering Materials, 403, 39-42 (2009)
42

Fabrication of AlN ceramics using AlN and nano-Y₂O₃ composite particles prepared by mechanical treatment

Daisuke Hiratsuka, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya and Takeshi Meguro

Key Engineering Materials, 403, 245-248 (2009)

2008

41

In Situ Measurement of Shrinkage During Postreaction Sintering of Reaction-Bonded Silicon Nitride

Toru Wakihara, Hiromasa Yabuki, Junichi Tatami,w Katsutoshi Komeya, Takeshi Meguro, Hideki Hyuga, Hideki Kita

Journal of the American Ceramic Society, 91, 3413-3415 (2008)
40

NMR study on the formation mechanism of beta-SiAlON from zeolite by nitridation using ammonia gas

Toru Wakihara, Yuri Saito, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Kenneth J. D. Mackenzie, Shinichi Takagi, Masahiro Yokouchi

Journal of the Ceramic Society of Japan, 116, 980-983 (2008)
39

Fabrication and wear properties of TiN nanoparticle-dispersed Si₃N₄ ceramics

Junichi Tatami, Eriko Kodama, Hiroshi Watanabe, Hiromi Nakano, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Akira Azushima

Journal of the Ceramic Society of Japan, 116, 749-754 (2008)
38

Use of post-heat treatment to obtain a 2H solid solution in spark plasma sintering-processed AlN-SiC mixtures

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Takashi Goto, Rong Tu

Journal of the American Ceramic Society, 91, 1548-1552 (2008)
37

Synthesis of beta-SiAlON from a zeolite by reduction nitridation in a mixture of NH₃-C₃H₈

Tomohiro Yamakawa, Toru Wakihara, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro

Journal of the Ceramic Society of Japan, 116, 325-328 (2008)
36

Intermediate-range order in mesoporous silicas investigated by a high-energy X-ray diffraction technique

Toru Wakihara, Wei Fan, Shinji Kohara, Masaru Ogura, Gopinathan Sankar, Tatsuya Okubo

Chemistry Letters, 37, 30-31 (2008)

2007

35

Structural Change of Carbon Blacks by Activated with Potassium Hydroxide and Its EDLC Characteristic

T. Amaoka, T. Meguro, T. Yamashita, J. Tatami, T. Wakihara, K. Komeya

Journal of Material Science Japan, 1, 45, (2007)
34

Fabrication of transparent SiO₂ glass from pressureless sintering of floc-cast green body in air

Daisuke Hiratsuka, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Journal of the Ceramic Society of Japan, 115, 392-394 (2007)
33

Glass-like carbon derived from a polymer consisting of furfuryl alcohol and tetraethylene glycol

Tetsuro Hirasaki, Takeshi Meguro, Toru Wakihara, Junichi Tatami, Katsutoshi Komeya

Journal of Material Science, 42, 7604-7606 (2007)
32

Kinetics of gasification of glass-like carbons heat-treated at various temperatures with CO₂

Tetsuro Hirasaki, Takeshi Meguro, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya

Journal of Ceramic Processing Research, 8, 12-18 (2007)
31

Effect of Diluents on Post-Reaction Sintering of Silicon Nitride Ceramics

Toru Wakihara, Masahiro Yabuki, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Hideki Kita, Naoki Kondo, Kiyoshi Hirao

Key Engineering Materials,352, 185-188 (2007)
30

Electrical properties of Mn-Co-Ni oxides prepared at low temperatures

T. Yokoyama, T. Meguro, S. Okazaki, H. Fujikawa, T. Ishikawa, J. Tatami, T. Wakihara, K. Komeya, T. Sasamoto

Advanced Materials Research, 29-30, 359-362 (2007)
29

Improving the microstructure of Si₃N₄-TiN composites using ammonium citrate to disperse raw TiO₂ powders

Shan Zheng, Lian Gao, Hiroshi Watanabe, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Key Engineering Materials, 352, 115-118 (2007)
28

Synthesis of Ca-a Sialon using Zeolite as a Raw Material

Toru Wakihara, Satoshi Kamiwaki, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro

Journal of the Ceramic Society of Japan, 115, 294-296 (2007)
27

Role of Heteroatoms in Precursor Formation of Zeolites

Toru Wakihara, Wei Fan, Yasuhiro Suzuki, Masaru Ogura, Shinji Kohara, Gopinathan Sankar, Tatsuya Okubo

Studies in Surface Science and Catalysis, 170, 506-511 (2007)
26

Elucidation of the formation mechanism of β-SiAlON from a zeolite

Feng Jin Li, Toru Wakihara, Juichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Kenneth J.D. Mackenzie

Journal of the American Ceramic Society, 90, 1541-1544 (2007)
25

Nitridation of Silica Characterized by High-energy X-Ray Diffraction Technique

Toru Wakihara, Tomohiro Yamakawa, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Shinji Kohara

Journal of the American Ceramic Society, 90, 1562-1565 (2007)
24

Improving the microstructure of Si₃N₄-TiN composites using various PEIs to disperse raw TiO₂ powder

Shan Zheng, Lian Gao, Hiroshi Watanabe, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Ceramic International, 33, 355-359 (2007)
23

Synthesis of β-SiAlON powder by carbothermal reduction-nitridation of zeolites with different compositions

Feng Jin Li, Toru Wakihara, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro

Journal of the European Ceramic Society, 27, 2535-2540 (2007)

2006

22

Change in Microstructure of Activated Carbons Introduced by Heat Treatment

T. Amaoka, T. Meguro, J. Tatami, J. Wakihara, K. Komeya, N. Hotta

Journal of Material Science Japan, 1, 43, (2006)
21

Fracture resistance and contact damage of TiN particle reinforced Si₃N₄ ceramics

Junichi Tatami, I. Wei Chen, Yohei Yamamoto, Michiyasu Komastu, Katsutoshi Komeya, Do Kyung Kim, Toru Wakihara, Takeshi Meguro

Journal of the Ceramic Society of Japan, 114, 1049-1053 (2006)
20

Control of shrinkage during sintering of alumina ceramics based on Master Sintering Curve theory

Junichi Tatami, Yusuke Suzuki, Toru Wakihara, Takeshi Meguro, Katsutoshi Komeya

Key Engineering Materials, 317-318, 11-14 (2006).
19

Control of the microstructure of Si₃N₄-TiN composites using ammonium citrate to disperse TiO₂ powders

Shan Zheng, Lian Xun Gao, Hiroshi Watanabe, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro

Journal of the Chinese Ceramic Society, 34, 662-666 (2006)
18

Fabrication and Evaluation of Transparent Amorphous SiO₂ Sintered Body through Floc-Casting

Daisuke Hiratsuka, Juichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Masahiro Ibukiyama

Ceramic Transaction,195, 107-112 (2006)
17

Effects of process parameters on post reaction sintering of silicon nitride ceramics

Toru Wakihara, Junichi Tatami, Katsutoshi Komeya, Takeshi Meguro, Hideki Kita, Naoki Kondo, Kiyoshi Hirao

Ceramic Transaction, 195, 57-63 (2006)
16

Evaluation of Al-Si-C-N Ceramics Fabricated by Spark Plasma Sintering

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Meguro, Takashi Goto

Ceramic Transaction, 194, 273-277 (2006)
15

Synthesis of High purity b-SiAlON nanopowder from a zeolite by Gas-reduction-nitridation

Tomohiro Yamakawa, Toru Wakihara, Junichi Tatami, Katsutoshi Komeya, Takeshi Megro

Ceramic Transaction, 190, 3-8 (2006)
14

Electrical Properties of AlN-SiC Ceramics

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Takeshi Meguro, Katsutoshi Komeya

Key Engineering Materials, 317-318, 641-644 (2006)
13

Formation mechanism of nano AlN powder by Gas-Reduction-Nitridation

Tomohiro Yamakawa, Junichi Tatami, Toru Wakihara, Takeshi Megro, Katsutoshi Komeya, K.J.D. MacKenzie

Key Engineering Materials, 317-318, 215-218 (2006)
12

Synthesis of AlN Nanopowder from γ-Al₂O₃ by reduction-nitridation in a mixture of NH₃-C₃H₈

Tomohiro Yamakawa, Junichi Tatami, Toru Wakihara, Katsutoshi Komeya, Takeshi Megro, K.J.D. MacKenzie, Shinichi Takagi, Masahiro Yokouchi

Journal of the American Ceramic Society, 89, 171-175 (2006)
11

Temperature Dependence of the Electrical Properties and Seebeck Coefficient of AlN-SiC ceramics

Ryota Kobayashi, Junichi Tatami, Toru Wakihara, Takeshi Meguro, Katsutoshi Komeya

Journal of the American Ceramic Society, 89 1295-1299 (2006)
10

A New Approach to the Determination of Atomic-Architecture of Amorphous Zeolite Precursors by High-energy X-ray Diffraction Technique

Toru Wakihara, Shinji Kohara, Gopinathan Sankar, Seijiro Saito, Manuel Sanchez-Sanchez, Arian R. Overweg, Wei Fan, Masaru Ogura, Tatsuya Okubo

Physical Chemistry Chemical Physics, 8, 224-227 (2006)

Publications

2025

Impact of Temperature on Zeolitization Elucidated by In-Situ High-Energy X-ray Total Scattering Measurement

Influence of alkali metal cations on the local structure of amorphous precursors during zeolite crystallization

Drawing Boundaries between Feasible and Unfeasible Zeolite Intergrowths

Elucidation of the Structure–Activity Relationship for Cu-Erionite in the Direct Conversion of Methane to Methanol: an Operando XAS Study

Accelerating Zeolite Crystallization under High External Hydrostatic Pressure

Antiviral Potential of Proton-type Zeolite

Photocatalytic Evolution of Nitrous Oxide from Nitric Monoxide over Pt-Loaded Titanium Dioxide under UV Irradiation

Achieving extreme thermal stability of high-silica FAU through trace water-assisted steam treatment

Preparation of translucent silicalite-1 bulk ceramics by spark plasma sintering

Development of zeolite adsorbent with low water sensitivity for CO2 capture

Adsorption behavior of low-concentration nitrous oxide on natural mordenite zeolite

Liquid-Mediated Treatment for Silanol Defects Healing and Sn Coordination Optimization in Sn-Beta for Improved Catalytic Activity

Novel preparation of amorphous aluminosilicates via amorphous borosilicates by B-to-Al exchange

Removal of Radioactive Noble Gas Radon from Air by Ag-Zeolite

Study of radon removal performance of silver-ion exchanged zeolite from air for underground experiments

Diffractometer for element-specific analysis on local structures using a combination of X-ray fluorescence holography and anomalous X-ray scattering

Shape Selective Cracking of Polypropylene on H-MFI Type Zeolite Catalyst with Recovery of Cyclooctane Solvent

2024

Iron redox effect on the structure and viscosity of a sodium silicate glass and melt

Superior low temperature activity over α-MnO2/β-MnOOH catalyst for selective catalytic reduction of NOx with ammonia

Unravelling the density-driven modification of the topology generated by the interconnection of SiO4 tetrahedra in silica polymorphs

Simultaneous Control of Aluminum Atoms and Defects in the MOR Zeolite Framework by Postsynthetic Treatments

Effect of defect-healing treatment on layered silicate precursors toward well-defined crosslinked frameworks

Unraveling the relationship between aging conditions, properties of amorphous precursors and CHA-type zeolite crystallization

Improving mechanical stability of ZSM-5 zeolite by defect-healing treatment

Development of Silicalite-1 Encapsulated Cu-ZnO Catalysts for Methanol Synthesis by CO2 Hydrogenation

Synthesis and Structural Analysis of High-Silica ERI Zeolite with Spatially-Biased Al Distribution as a Promising NH3-SCR Catalyst

Measurement of radon emanation and impurity adsorption from argon gas using ultralow radioactive zeolite

Revealing the evolution of local structures in the formation process of alkaline earth metal cation-containing zeolites from glasses

ゼオライトナノ粒子によるリチウムイオン二次電池の劣化抑制

Dealumination of RHO zeolite by acid treatment and recrystallization with organic pore filler

Unexpected Low Temperature Activity with Low N2O Emission of Stabilized Al-rich Zeolite Beta for Selective Catalytic Reduction of NOx

2023

Fabrication and evaluation for transparent hygroscopic film with nano-sized zeolite and another inorganic hygroscopic agent

Fabrication of low-density-polyetylene-based transparent hygroscopic resin dispersed with nano-sized zeolite

Hydrophobicity Manipulation of Titanium-silicalite-1 with Enhanced Catalytic Performance via Liquid-mediated Defect-healing Treatment

Siliceous zeolite-derived topology of amorphous SiO2

Drastic Photoemission Color Alternation from a Single Molecule as a Starting Material Introduced in Acid-Treated Zeolites: From Pure Blue to White

Fast Synthesis of CHA-type Zeolite Using Dealuminated Amorphous Aluminosilicates with High Reactivity

Investigating the Antiviral Properties of Copper- and Silver-containing Polyoxometalates using a High-throughput Screening Method

Direct microwave energy input on a single cation for outstanding selective Catalysis

Large-Scale Production of Nano-sized LTA-Type Zeolite Particles by Beads-Milling and Recrystallization Method

Atomic and electronic structures of an Ag-containing 4A zeolite

Precise tuning of the properties of MOR-type zeolite nanoparticles to improve lower olefins selectivity in composite catalysts for CO2 hydrogenation

Inactivation and spike protein denaturation of novel coronavirus variants by CuxO/TiO2 nano-photocatalysts

Mechanism of Al coordination change in alkaline-earth aluminosilicate glasses: An application of bond valence model

Atom-Selective Analyses Reveal the Structure-Directing Effect of Cs Cation on the Synthesis of Zeolites

Control of Competitive Structure-Directing Effect in CON-type Zeolite Synthesis via Intermediate Addition Method

Accelerated Crystallization of LTA Zeolite Using a Combination of High-Silica FAU Zeolite with Low Crystallinity and Additional Al Sources

Amorphous aluminosilicates as efficient ion exchangers for ammonium cation removal from aqueous solutions

Interzeolite conversion of FAU-type SAPO-37 to SOD-type SAPO-20 using TMAOH and piperidine and their thermal stabilities

2022

Tracking Sub-Nano-Scale Structural Evolution in Zeolite Synthesis by in situ High-Energy X-Ray Total Scattering Measurement with Pair Distribution Function Analysis

OSDA-free synthesis of zeolite beta: Broadening the methodology for a successful use of the product as a seed

Biased Al distribution of high-silica FAU-type zeolite synthesized by fast manner at high temperature

ボトムアップ法によるA型ゼオライトの粒径制御技術

Fabrication and Evaluation of Transparent Hygroscopic Resin Dispersed with Nano-Sized Zeolite

Ultrafast dealumination of *BEA zeolite using a continuous-flow reactor

Robust CON-type zeolite nanocatalyst in methanol-to-olefins reaction: downsizing, recrystallisation and defect-healing treatments toward prolonged lifetime

Dealumination of small-pore zeolites through pore-opening migration process with the aid of pore-filler stabilization

Exploring Hydrothermal Synthesis of SAPO-18 under High Hydrostatic Pressure

Reduction of crystal size of silicalite-1 synthesized in fluoride-containing media via multi-stage heating with intermediate stirring

Broadening synthetic scope of SSZ-39 zeolite for NH3-SCR: A fast and direct route from amorphous starting materials

Revealing Scenarios of Interzeolite Conversion from FAU to AEI through the Variation of Starting Materials

2021

Thermal Conductivity of Sodium Silicate Glasses and Melts: Contribution of Diffusive and Propagative Vibration Modes

Engineering Mesopore Formation in Hierarchical Zeolites under High Hydrostatic Pressure

Inactivation of novel coronavirus and alpha variant by photo-renewable CuxO/TiO2 nanocomposites

Tracking the crystallization behavior of high-silica FAU during AEI-type zeolite synthesis using acid treated FAU-type zeolite

Reaction Kinetics Regulated Formation of Short-Range Order in an Amorphous Matrix during Zeolite Crystallization

Reconsideration of viscosity variation mechanism in calcium ferrite melt during isothermal melting process

Recent progress on improvement of hydrothermal stability of zeolites

Ultrafast surfactant-templating of *BEA zeolite: An efficient catalyst for the cracking of polyethylene pyrolysis vapours

Synthetic and natural MOR zeolites as high-capacity adsorbents for the removal of nitrous oxide

Aryl radical initiators accumulated within layered silicates realize polystyrene with directly and regioselectively bonded aryl-terminal groups

Ultrafast and continuous-flow synthesis of AFX zeolite via interzeolite conversion of FAU zeolite

2020

Dense Integration of Stable Aromatic Radicals within Two-dimensional Interlayer Space of Clay Minerals via Clay Catalyzed Deamination of Arylammoniums

Development of Silicalite-1 Encapsulated Cu-ZnO Catalysts for Methanol Synthesis by CO₂ Hydrogenation

Unexpected Low Temperature Activity with Low N₂O Emission of Stabilized Al-rich Zeolite Beta for Selective Catalytic Reduction of NOx

Siliceous zeolite-derived topology of amorphous SiO₂

Inactivation and spike protein denaturation of novel coronavirus variants by Cu_xO/TiO₂ nano-photocatalysts

Inactivation of novel coronavirus and alpha variant by photo-renewable Cu_xO/TiO₂ nanocomposites

Understanding the High Hydrothermal Stability and NH₃-SCR Activity of the Fast-Synthesized ERI Zeolite

Non-precious molybdenum nanospheres as a novel cocatalyst for full-spectrum-driven photocatalytic CO₂ reforming to CH₄

Identifying the Factors Governing the Early-Stage Degradation of Cu-Chabazite Zeolite for NH₃‑SCR

Tailoring the Subnano Silica Structure via Fluorine Doping for Development of Highly Permeable CO₂ Separation Membranes

Mesoporogen-free synthesis of hierarchically porous ZSM-5 below 100 ^oC

Preparation and electrical properties of sintered bodies composed of Mn(1+0.5X) FeNi(1-0.5X)O₄(0 <= X <= 1.00) with cubic spinel structure