Publications

Selective hydride interstitials induced in a high-entropy lanthanide oxyhydride

Year: 2024 DOI:10.1021/acs.chemmater.4c01617

Yuvraj Vaishnav, Rohit K. Rai, Walid Al Maksoud, Fumitaka Takeiri, Shusaku Hayama, Samy Ould-Chikh, Marcell Toth, Raza U.S. Baccha, Bambar Davaasuren, Maxim Avdeev, Genki Kobayashi, Yoji Kobayashi. Chemistry of Materials, 2024, 36(21), 10504-10513.

☞ Congratulations Yuvraj! First KAUST-native student paper from the group, on high entropy materials! Thanks to our collaborators at Riken (Genki Kobayashi group) and ANSTO (Max Avdeev) for impedance and neutron measurements.

Silicon clathrate-supported catalysts with low work functions for ammonia synthesis

Year: 2024 DOI:10.1002/adma.202406944

Walid Al Maksoud, Raza Ullah Shah Bacha, Jan-Malte Pixius, Viswanathan Mohandoss, Yuvraj Vaishnav, Rohit K. Rai, Mohamed N. Hedhili, Qingxiao Wang, Yoji Kobayashi. Advanced Materials, 2024, 202406944.

☞ This was a real team effort!

Merits of the CeLaCuO ternary oxide as promoter of the Ni/SBA-15 catalyst for the dry reforming of methane reaction

Year: 2024 DOI:10.1016/j.cej.2024.153948

Aseel G. S. Hussien, Aasif A. Dabbawala, Dalaver H. Anjum, Nikolaos D. Charisiou, Walid Almaksoud, Edy Abouhamad, Yoji Kobayashi, Maria A. Goula, Kyriaki Polychronopoulou. Chemical Engineering Journal, 2024, 496, 153948.

☞ Another work including solid state NMR analysis by Walid, in collaboration with Kyriaki Polychronopoulou's group at Khalifa University

Investigating basicity and activity in lanthanide oxyhydride-supported Ru catalysts for ammonia synthesis

Year: 2024

Walid Al Maksoud, Rohit K. Rai, Yu Cao, Yuvraj Vaishnav, Yuki Sasahara, Hiroaki Sai, Omar El Tall, Mohamed Hedhili, Hiroshi Kageyama, Yoji Kobayashi.
Under review.

Tuning of the acid sites in the zeolite-alumina composite Ni catalysts and their impact on the palm oil hydrodeoxygenation reaction

Year: 2024 DOI:10.1016/j.cej.2024.152351

Aasif A. Dabbawala, Walid Al Maksoud, Edy Abou-Hamad, Nikolaos D. Charisiou, Angeliki I. Latsiou, Sara AlKhoori, Steve J. Hinder, Mark A. Baker, Dalaver H. Anjum, Yoji Kobayashi, Maria A. Goula, Kyriaki Polychronopoulou. Chemical Engineering Journal, 2024, 493, 152351.

☞ Meticulous work on solid state NMR by Walid, in collaboration for this paper with Aasif at Kyriaki Polychronopoulou's group from Khalifa Univ. Science and Technology

Enhancing Ammonia Synthesis on Co3Mo3N via Metal Support Interactions on a Single-crystalline MgO Support

Year: 2024 DOI:10.1002/cctc.202301579

Rohit K. Rai, Raghu Maligal-Ganesh, Walid Almaksoud, Seok-Jin Kim, Yuvraj Vaishnav, Cafer T. Yavuz, Yoji Kobayashi. ChemCatChem, 2024, e202301579

☞ Nice collaboration between Rohit, and Raghu from the Yavuz Group!

Zr-based Laves phase with nitride/hydride ions for ammonia synthesis

Year: 2023 DOI:10.1016/j.solidstatesciences.2023.107331

Yu Cao, Zefeng Wei, Walid Almaksoud, Rohit Rai, Yoji Kobayashi, Hiroshi Kageyama. Solid State Sciences, 2023, 145, 107331.

☞ An original idea by Yu to focus on Cr-based Laves compounds, guided by her previous work!

Ammonia Synthesis via an Associative Mechanism on Alkali Earth Metal Sites of Ca3CrN3H

Year: 2023 DOI:10.1002/CSSC.202300234

Yu Cao, Ekaterina Toshcheva, Walid Almaksoud, Rafia Ahmad, Tatsuya Tsumori, Rohit Rai, Ya Tang, Luigi Cavallo, Hiroshi Kageyama, Yoji Kobayashi. ChemSusChem, 2023, 4, e202300234.

☞ Did you know that Ca₃ surfaces can activate N₂ for NH₃ synthesis? Excellent work from Yu Cao (experimental) and Ekaterina Toscheva (Luigi Cavallo group, computational)

Topochemical synthesis of Ca3CrN3H involving a rotational structural transformation for catalytic ammonia synthesis

Year: 2022 DOI:10.1002/ANIE.202209187

Yu Cao, Maria A. Kirsanova, Masayuki Ochi, Walid Al Maksoud Tong Zhu, Rohit Rai, Shenghan Gao, Tatsuya Tsumori, Shintaro Kobayashi, Shogo Kawaguchi, Edy Abou-Hamad, Kazuhiko Kuroki, Cédric Tassel, Artem M. Abakumov, Yoji Kobayashi, Hiroshi Kageyama. Angewandte Chemie International Ed., 2022, e202209187.

☞Congratulations Yu Cao (Ph. D. student) on this paper and her persistent work!

Bi12O17Cl2 with a sextuple Bi-O Layer composed of rock-salt and fluorite units and its structural conversion through fluorination to enhance photocatalytic activity

Year: 2022 DOI:10.1002/ADFM.202204112

Daichi Kato, Osamu Tomita, Ryky Nelson, Maria A. Kirsanova, Richard Dronskowski, Hajime Suzuki, Chengchao Zhong, Cédric Tassel, Kohdai Ishida, Yosuke Matsuzaki, Craig M. Brown, Koji Fujita, Kotaro Fujii, Masatomo Yashima, Yoji Kobayashi, Akinori Saeki, Itaru Oikawa, Hitoshi Takamura, Ryu Abe, Hiroshi Kageyama, Tatiana E. Gorelik, Artem M. Abakumov. Advanced Functional Materials, 2022, 2204112.

Chemical Shift of Solvated Hydride Ion: Comparative Study with Solvated Fluoride Ion

Year: 2022 DOI:10.1021/acs.jpcb.2c00326

Kosuke Imamura, Masahiro Higashi, Yoji Kobayashi, Hiroshi Kageyama, Hirofumi Sato. Journal of Physical Chemistry B, 2022, 126(16), 3090-3098.

Dehydration of Electrochemically Protonated Oxide: SrCoO2 with Square Spin Tubes

Year: 2021 DOI:10.1021/jacs.1c07043

Hao-Bo Li, Shunsuke Kobayashi, Chengchao Zhong, Morito Namba, Yu Cao, Daichi Kato, Yoshinori Kotani, Qianmei Lin, Maokun Wu, Wei-Hua Wang, Masaki Kobayashi, Koji Fujita, Cédric Tassel, Takahito Terashima, Akihide Kuwabara, Yoji Kobayashi, Hiroshi Takatsu, Hiroshi Kageyama. Journal of the American Chemical Society, 2021, 143(42), 17517-17525.

Pressure-Induced Collapse Transition in BaTi2Pn2O (Pn = As, Sb) with an Unusual Pn–Pn Bond Elongation

Year: 2021 DOI:10.1021/acs.inorgchem.0c02989

Takafumi Yamamoto, Takeshi Yajima, Zhi Li, Takateru Kawakami, Kousuke Nakano, Takami Tohyama, Takehiko Yagi, Yoji Kobayashi, Hiroshi Kageyama. Inorganic Chemistry, 2021, 60(4), 2228-2233.

Illustrating catalysis with a handmade molecular model set: catalytic oxidation of carbon monoxide over a platinum surface

Year: 2021 DOI:10.1515/cti-2021-0010

Ryo Horikoshi, Syota Nakajima, Saburo Hosokawa, Yoji Kobayashi, Hiroshi Kageyama. Chemistry Teacher International, 2021, 3(4), 431-49.

Design of structure model set for inorganic compounds based on ping-pong balls linked with snap buttons

Year: 2021 DOI:10.1515/cti-2021-0001

Ryo Horikoshi, Hiroyuki Higashine, Yoji Kobayashi, Hiroshi Kageyama. Chemistry Teacher International 2021, 3(3), 295-301

Electronic origin of catalytic activity of TiH2 for ammonia synthesis

Year: 2021 DOI:10.1021/acs.jpcc.0c10907

Yuta Tsuji, Kazuki Okazawa, Yoji Kobayashi, Hiroshi Kageyama, Kazunari Yoshizawa. J. Phys. Chem. C., 2021, 125, 3948-3960.

Vanadium hydride as an ammonia synthesis catalyst

Year: 2020 DOI:10.1002/cctc.202001084

Yu Cao, Ayaka Saito, Yoji Kobayashi, HIroki Ubukata, Ya Tang, Hiroshi Kageyama. ChemCatChem 2020, 13, 191-195.

Exploring structures and properties through anion chemistry

Year: 2019 DOI:10.1246/bcsj.20190095

Hiroshi Kageyama, Takeshi Yajima, Tsujimoto Yoshihiro, Takafumi Yamamoto, Cédric Tassel, Yoji Kobayashi. Bulletin of the Chemical Society of Japan, 2019, 92, 1349-1357.

Property engineering in perovskites via modification of anion chemistry

Year: 2018 DOI:10.1146/annurev-matsci-070317-124415

Yoji Kobayashi, Yoshihiro Tsujimoto, Hiroshi Kageyama. Annual Reviews, 2018, 48, 303-326.

A gas-reaction apparatus fabricated using readily available components for demonstrating the basic function of automotive catalyst

Year: 2018

Ryo Horikoshi, Fumitaka Takeiri, Yoji Kobayashi, Hiroshi Kageyama. Chemical Educator, 2018, 23, 31-34.

High pressure synthesis of hydride-fluoride pyrochlore NaCaMg2F7–xHx

Year: 2018 DOI:10.1246/cl.180256

Kazunari Arai, Yoji Kobayashi, Ya Tang, Yusuke Tsutsui, Daisuke Sakamaki, Takafumi Yamamoto, Kotaro Fujii, Masatomo Yashima, Shu Seki, Hiroshi Kageyama. Chemistry Letters, 2018, 47, 829-832.

Metal-dependent support effects of oxyhydride-supported Ru, Fe, Co catalysts for ammonia synthesis

Year: 2018 DOI:10.1002/aenm.201801772

Ya Tang, Yoji Kobayashi, Naoya Masuda, Yoshinori Uchida, Hiroki Okamoto, Toki Kageyama, Saburo Hosokawa, François Loyer, Kei Mitsuhara, Keisuke Yamanaka, Yusuke Tamenori, Cédric Tassel, Takafumi Yamamoto, Tsunehiro Tanaka, Hiroshi Kageyama. Advanced Energy Materials, 2018, 8, 1801772.

"Research Highlight" in Nature Catalysis: doi.org/10.1038/s41929-018-0208-0

Chemical pressure-induced anion order–disorder transition in LnHO enabled by hydride size flexibility

Year: 2018 DOI:10.1021/jacs.8b06187

Hiroki Yamashita, Thibault Broux, Yoji Kobayashi, Fumitaka Takeiri, Hiroki Ubukata, Tong Zhu, Michael A. Hayward, Kotaro Fujii, Masatomo Yashima, Kazuki Shitara, Akihide Kuwabara, Taito Murakami, Hiroshi Kageyama. Journal of the American Chemical Society, 2018, 140, 11170-11173.

Hydride-enhanced CO2 methanation : Water-stable BaTiO2.4H0.6 as a new support

Year: 2018 DOI:10.1002/aenm.201800800

Ya Tang, Yoji Kobayashi, Cédric Tassel, Takafumi Yamamoto, Hiroshi Kageyama. Advanced Energy Materials, 2018, 8, 1800800.

Titanium-based hydrides as heterogeneous catalysts for ammonia synthesis

Year: 2017 DOI:10.1021/jacs.7b08891

Yoji Kobayashi, Ya Tang, Toki Kageyama, Hiroki Yamashita, Naoya Masuda, Saburo Hosokawa, Hiroshi Kageyama. Journal of the American Chemical Society, 2017, 139, 18240-18246.

Promoted hydride/oxide exchange in SrTiO3 by introduction of anion vacancy via aliovalent cation substitution

Year: 2017 DOI:10.1021/acs.inorgchem.7b01845

Fumitaka Takeiri, Kohei Aidzu, Takeshi Yajima, Toshiaki Matsui, Takafumi Yamamoto, Yoji Kobayashi, James Hester, Hiroshi Kageyama. Inorganic Chemistry, 2017, 56, 13035-13040.

New chemistry of transition metal oxyhydrides

Year: 2017 DOI:10.1080/14686996.2017.1394776

Yoji Kobayashi, Olivier J. Hernandez, Cédric Tassel, Hiroshi Kageyama. Science and Technology of Advanced Materials, 2017, 18, 905-918.

On hydride diffusion in transition metal perovskite oxyhydrides investigated via deuterium exchange

Year: 2017 DOI:10.1021/acs.chemmater.7b02240

Ya Tang, Yoji Kobayashi, Kazuki Shitara, Ayako Konishi, Akihide Kuwabara, Takahide Nakashima, Cédric Tassel, Takafumi Yamamoto, Hiroshi Kageyama. Chemistry of Materials, 2017, 29, 8187-8194.

Pressure-stabilized cubic perovskite oxyhydride BaScO2H

Year: 2017 DOI:10.1021/acs.inorgchem.6b02834

Yoshihiro Goto, Cédric Tassel, Yasuto Noda, Olivier J. Hernandez, Chris J. Pickard, Mark A. Green, Hikari Sakaebe, Noboru Taguchi, Yoshiharu Uchimoto, Yoji Kobayashi, Hiroshi Kageyama. Inorganic Chemistry, 2017, 56, 4840-4845.

Suppression of H–/O2–exchange by incorporated nitride anions in the perovskite lattice

Year: 2017 DOI:10.1016/j.jssc.2017.08.025

Fumitaka Takeiri, Takeshi Yajima, Takafumi Yamamoto, Yoji Kobayashi, Toshiaki Matsui, James Hester, Hiroshi Kageyama. Journal of Solid State Chemistry, 2017, 256, 33-37.

Excited configurations of hydrogen in the BaTiO3-xHx perovskite lattice associated with hydrogen exchange and transport

Year: 2017 DOI:10.1103/PhysRevB.95.020301

T. U. Ito, A. Koda, K. Shimomura, W. Higemoto, T. Matsuzaki, Yoji Kobayashi, Hiroshi Kageyama. Physical Review B, 2017, 95, 1-5.

Illustrating the basic functioning of mass analyzers in mass spectrometers with ball-rolling mechanisms

Year: 2017 DOI:10.1021/acs.jchemed.7b00297

Ryo Horikoshi, Fumitaka Takeiri, Riho Mikita, Yoji Kobayashi, Hiroshi Kageyama. Journal of Chemical Education, 2017, 94, 1502-1506.

Topochemical nitridation with anion vacancy-assisted N3-/O2- exchange

Year: 2016 DOI:10.1021/jacs.6b00088

Riho Mikita, Tomoko Aharen, Takafumi Yamamoto, Fumitaka Takeiri, Ya Tang, Wataru Yoshimune, Koji Fujita, Suguru Yoshida, Katsuhisa Tanaka, Dmitry Batuk, Artem M. Abakumov, Craig M. Brown, Yoji Kobayashi, Hiroshi Kageyama. Journal of the American Chemical Society, 2016, 138, 3211-3217.

Selective and low temperature transition metal intercalation in layered tellurides

Year: 2016 DOI:10.1038/ncomms13809

Takeshi Yajima, Masaki Koshiko, Yaoqing Zhang, Tamio Oguchi, Wen Yu, Daichi Kato, Yoji Kobayashi, Yuki Orikasa, Takafumi Yamamoto, Yoshiharu Uchimoto, Mark A. Green, Hiroshi Kageyama. Nature Communications, 2016, 7, 13809.

ZnTaO2N: Stabilized high-temperature LiNbO3-type structure

Year: 2016 DOI:10.1021/jacs.6b08635

Yoshinori Kuno, Cédric Tassel, Koji Fujita, Dmitry Batuk, Artem M. Abakumov, Kazuki Shitara, Akihide Kuwabara, Hiroki Moriwake, Daichi Watabe, Clemens Ritter, Craig M. Brown, Takafumi Yamamoto, Fumitaka Takeiri, Ryu Abe, Yoji Kobayashi, Katsuhisa Tanaka, Hiroshi Kageyama. Journal of the American Chemical Society, 2016, 138, 15950-15955.

High-pressure synthesis of manganese oxyhydride with partial anion order

Year: 2016 DOI:10.1002/anie.201605123

Cédric Tassel, Yoshinori Goto, Daichi Watabe, Ya Tang, Hongcheng Lu, Yoshinori Kuno, Fumitaka Takeiri, Takafumi Yamamoto, Craig M. Brown, James Hester, Yoji Kobayashi, Hiroshi Kageyama. Angewandte Chemie International Edition, 2016, 55, 9667-9670.

Exploring the gas chemistry of old submarine technologies using plastic bottles as reaction vessels and models

Year: 2016 DOI:10.1021/acs.jchemed.5b00732

Ryo Horikoshi, Fumitaka Takeiri, Yoji Kobayashi, Hiroshi Kageyama. Journal of Chemical Education, 2016, 93, 1411-1414.

MnTaO2N: Polar LiNbO3-type oxynitride with a helical spin order

Year: 2015 DOI:10.1002/anie.201408483

Cédric Tassel, Yoshinori Kuno, Yoshihiro Goto, Takafumi Yamamoto, Craig M. Brown, James Hester, Koji Fujita, Masanobu Higashi, Ryu Abe, Katsuhisa Tanaka, Yoji Kobayashi, Hiroshi Kageyama. Angewandte Chemie International Edition, 2015, 54, 516-521.

Hydride in BaTiO2.5H0.5: A labile ligand in solid state chemistry

Year: 2015 DOI:10.1021/jacs.5b10255

Naoya Masuda, Yoji Kobayashi, Olivier J. Hernandez, Thierry Bataille, Serge Paofai, Hajime Suzuki, Clemens Ritter, Naoki Ichijo, Yasuto Noda, Kiyonori Takegoshi, Cédric Tassel, Takafumi Yamamoto, Hiroshi Kageyama. Journal of the American Chemical Society, 2015, 137, 15315-15321.

A nearly ideal one-dimensional S = 5/2 antiferromagnet FeF3(4,4'-bpy) (4,4'-bpy =4,4'-bipyridyl) with strong intrachain interactions

Year: 2015 DOI:10.1021/jacs.5b06120

Hongcheng Lu, Takafumi Yamamoto, Wataru Yoshimune, Naoaki Hayashi, Yoji Kobayashi, Yoshitami Ajiro, Hiroshi Kageyama. Journal of the American Chemical Society, 2015, 137, 9804-9807.

Impact of electrolyte on pseudocapacitance and stability of porous titanium nitride (TiN) monolithic electrode

Year: 2015 DOI:10.1149/2.0491501jes

George Hasegawa, Atsushi Kitada, Shota Kawasaki, Kazuyoshi Kanamori, Kazuki Nakanishi, Yoji Kobayashi, Hiroshi Kageyama, Takeshi Abe. Journal of the Electrochemical Society, 2015, 162, A77-A85.

Effect of calcination conditions on porous reduced titanium oxides and oxynitrides via a preceramic polymer route

Year: 2015 DOI:10.1021/ic502972v

George Hasegawa, Tatsuya Sato, Kazuyoshi Kanamori, Cheng-Jun Sun, Yang Ren, Yoji Kobayashi, Hiroshi Kageyama, Takeshi Abe, Kazuki Nakanishi. Inorganic Chemistry, 2015, 54, 2802-2808.

An antiferro-to-ferromagnetic transition in EuTiO3-xHx induced by hydride substitution

Year: 2015 DOI:10.1021/ic502486e

Takafumi Yamamoto, Ryuta Yoshii, Guillaume Bouilly, Yoji Kobayashi, Koji Fujita, Yoshiro Kususe, Yoshitaka Matsushita, Katsuhisa Tanaka, Hiroshi Kageyama. Inorganic Chemistry, 2015, 54, 1501-1507.

Crystal structural changes and charge compensation mechanism during two lithium extraction/insertion between Li2FeSiO4 and FeSiO4

Year: 2015 DOI:10.1021/acs.jpcc.5b00362

Titus Masese, Cédric Tassel, Yuki Orikasa, Yukinori Koyama, Hajime Arai, Naoaki Hayashi, Jungeun Kim, Takuya Mori, Kentaro Yamamoto, Yoji Kobayashi, Hiroshi Kageyama, Zempachi Ogumi, Yoshiharu Uchimoto. Journal of Physical Chemistry C, 2015, 119, 10206-10211.

Relation between metal properties and historical incidents: A demonstration of metal burning and cooling experiments

Year: 2015 DOI:10.12691/wjce-3-5-3

Ryo Horikoshi, Takeshi Yajima, Yoji Kobayashi, Hiroshi Kageyama. World Journal of Chemical Education, 2015, 3, 120-123.

High-level doping of nitrogen, phosphorus, and sulfur into activated carbon monoliths and their electrochemical capacitances

Year: 2015 DOI:10.1021/acs.chemmater.5b01349

George Hasegawa, Takeru Deguchi, Kazuyoshi Kanamori, Yoji Kobayashi, Hiroshi Kageyama, Takeshi Abe, Kazuki Nakanishi. Chemistry of Materials, 2015, 27, 4703-4712.

Electrical properties of epitaxial thin films of oxyhydrides ATiO3-xHx (A = Ba and Sr)

Year: 2015 DOI:10.1021/acs.chemmater.5b02374

Guillaume Bouilly, Takeshi Yajima, Takahiro Terashima, Wataru Yoshimune, Kousuke Nakano, Cédric Tassel, Yoshiro Kususe, Koji Fujita, Katsuhisa Tanaka, Takafumi Yamamoto, Hiroshi Kageyama. Chemistry of Materials, 2015, 27, 6354-6359.

A labile hydride strategy for the synthesis of heavily nitridized BaTiO3

Year: 2015 DOI:10.1038/nchem.2370

Takeshi Yajima, Fumitaka Takeiri, Kohei Aidzu, Hirofumi Akamatsu, Koji Fujita, Wataru Yoshimune, Masatoshi Ohkura, Shiming Lei, Venkatraman Gopalan, Katsuhisa Tanaka, Craig M. Brown, Mark A. Green, Takafumi Yamamoto, Yoji Kobayashi, Hiroshi Kageyama. Nature Chemistry, 2015, 7, 1017-1023.

Remarkable oxygen intake/release of BaYMn2O5+δ viewed from high-temperature crystal structure

Year: 2015 DOI:10.1021/jp511648b

Teruki Motohashi, Taira Takahashi, Makoto Kimura, Yuji Masabuchi, Shinichi Kikkawa, Yoshiki Kubota, Yoji Kobayashi, Hiroshi Kageyama, Misaki Takata, Susumu Kitagawa, Ryotaro Matsurada. Journal of Physical Chemistry C, 2015, 119, 2356-2363.

Relationship between Phase Transition Involving Cationic Exchange and Charge–Discharge Rate in Li2FeSiO4

Year: 2014 DOI:10.1021/cm403134q

Titus Masese, Yuki Orikasa, Cédric Tassel, Jungeun Kim, Taketoshi Minato, Hajime Arai, Takuya Mori, Kentaro Yamamoto, Yoji Kobayashi, Hiroshi Kageyama, Zempachi Ogumi, Yoshiharu Uchimoto. Chemistry of Materials, 2014, 26, 1380-1384.

Superconductivity in the hypervalent compound Ba2Bi(Sb1-xBix)2 with a square-honeycomb lattice

Year: 2014 DOI:10.7566/JPSJ.83.073705

Takeshi Yajima, Fumitaka Takeiri, Yasumasa Nozaki, Zhi Li, Takami Tohyama, Mark A. Green, Yoji Kobayashi, Hiroshi Kageyama. Journal of the Physical Society of Japan, 2014, 83, 073705.

Illustrating catalysis with interlocking building blocks: A ruthenium carbene complex for olefin metathesis reactions

Year: 2014 DOI:10.1021/ed400413k

Ryo Horikoshi, Yoji Kobayashi, Hiroshi Kageyama. Journal of Chemical Education, 2014, 91, 255-258.

Direct synthesis of chromium perovskite oxyhydride with a high magnetic-transition temperature

Year: 2014 DOI:10.1002/anie.201405453

Cédric Tassel, Yoshihiro Goto, Yoshinori Kuno, James Hester, Mark Green, Yoji Kobayashi, Hiroshi Kageyama. Angewandte Chemie International Ed., 2014, 53, 10377-10380.

Superconductivity in LaPd2As2 with a collapsed 122 structure

Year: 2014 DOI:10.1016/j.jallcom.2014.06.054

Subodh Ganesanpotti, Takeshi Yajima, Kousuke Nakano, Yasumasa Nozaki, Takafumi Yamamoto, Cédric Tassel, Yoji Kobayashi, Hiroshi Kageyama. Journal of Alloys and Compounds, 2014, 613, 370-374.

High energy density rechargeable magnesium battery using earth-abundant and non-toxic elements

Year: 2014 DOI:10.1038/srep05622

Yuki Orikasa, Titus Masese, Yukinori Koyama, Takuya Mori, Masashi Hattori, Kentaro Yamamoto, Tetsuya Okado, Zheng-Dong Huang, Taketoshi Minato, Cédric Tassel, Jungeun Kim, Yoji Kobayashi, Takeshi Abe, Hiroshi Kageyama, Yoshiharu Uchimoto. Scientific Reports, 2014, 4, 5622.

CaH2-assisted low temperature synthesis of metallic magnetic nanoparticle-loaded multiwalled carbon nanotubes

Year: 2014 DOI:10.1039/c4cc01592d

Liis Seinberg, Shinpei Yamamoto, Masahiko Tsujimoto, Yoji Kobayashi, Mikio Takano, Hiroshi Kageyama. Chemical Communications, 2014, 50, 6866-6868.

MgFePO4F as a feasible cathode material for magnesium batteries

Year: 2014 DOI:10.1039/C4TA01779J

Zhen-Dong Huang, Titus Masese, Yuki Orikasa, Takuya Mori, Taketoshi Minato, Cédric Tassel, Yoji Kobayashi, Hiroshi Kageyama, Yoshiharu Uchimoto. Journal of Materials Chemistry A, 2014, 2, 11578-11582.

Substrate-induced anion rearrangement in epitaxial thin films of LaSrCoO4-xHx

Year: 2014 DOI:10.1039/C4CE01268B

Guillaume Bouilly, Takeshi Yajima, Takahito Terashima, Yoshiro Kususe, Koji Fujita, Cédric Tassel, Takafumi Yamamoto, Katsuhisa Tanaka, Yoji Kobayashi, Hiroshi Kageyama. CryrstEngComm, 2014, 16, 9669-9674.

Illustrating catalysis with interlocking building blocks: Correlation between structure of a metallocene catalyst and the stereoregularity of polypropylene

Year: 2013 DOI:10.1021/ed200871c

Ryo Horikoshi, Yoji Kobayashi, Hiroshi Kageyama. Journal of Chemical Education, 2013, 90, 620-622.

Synthesis and physical properties of the new oxybismuthides BaTi2Bi2O and (SrF)2Ti2Bi2O with a d1 square net

Year: 2013 DOI:10.7566/JPSJ.82.013703

Takeshi Yajima, Kousuke Nakano, Fumitaka Takeiri, James Hester, Takafumi Yamamoto, Yoji Kobayashi, Naruki Tsuji, Jungeun Kim, Akihiko Fujiwara, Hiroshi Kageyama. Journal of the Physical Society of Japan, 2013, 82, 013703/1-4.

Hierarchically porous monoliths based on N-Doped reduced titanium oxides and their electric and electrochemical properties

Year: 2013 DOI:10.1021/cm401933a

George Hasegawa, Tatsuya Sato, Kazuyoshi Kanamori, Kousuke Nakano, Takeshi Yajima, Yoji Kobayashi, Hiroshi Kageyama, Takeshi Abe, Kazuki Nakanishi. Chemistry of Materials, 2013, 25, 3504-3512.

Tc enhancement by aliovalent anionic substitution in superconducting BaTi2(Sb1-xSnx)2O

Year: 2013 DOI:10.7566/JPSJ.82.074707

Kousuke Nakano, Takeshi Yajima, Fumitaka Takeiri, Mark A. Green, James Hester, Yoji Kobayashi, Hiroshi Kageyama. Journal of the Physical Society of Japan, 2013, 82, 074707/1-5.

Hierarchically porous monoliths of oxygen-deficient anatase TiO2-x with electronic conductivity

Year: 2013 DOI:10.1039/c3ra40545a

Atsushi Kitada, George Hasegawa, Yoji Kobayashi, Kohei Miyazaki, Takeshi Abe, Kazuyoshi Kanamori, Kazuki Nakanishi, Hiroshi Kageyama. RSC Advances, 2013, 3, 7205.

Sr2FeO3 with stacked infinite chains of FeO4 square planes.

Year: 2013 DOI:10.1021/ic400444u

Cédric Tassel, Liis Seinberg, Naoaki Hayashi, Subodh Ganesanpotti, Yoshitami Ajiro, Yoji Kobayashi, Hiroshi Kageyama. Inorganic Chemistry, 2013, 52, 6096-6102.

Two superconducting phases in the isovalent solid solutions, BaTi2Pn2O (Pn = As, Sb, and Bi)

Year: 2013 DOI:10.7566/JPSJ.82.033705

Takeshi Yajima, Kousuke Nakano, Fumitaka Takeiri, Yasumasa Nozaki, Yoji Kobayashi, Hiroshi Kageyama. Journal of the Physical Society of Japan, 2013, 82, 033705/1-4.

Gas phase contributions to topochemical hydride reduction reactions

Year: 2013 DOI:10.1016/j.jssc.2013.09.006

Yoji Kobayashi, Zhaofei Li, Kei Hirai, Cédric Tassel, François Loyer, Noriya Ichikawa, Naoyuki Abe, Takafumi Yamamoto, Yuichi Shimakawa, Kazuyoshi Yoshimura, Olivier J. Hernandez, Mikio Takano, Hiroshi Kageyama. Journal of Solid State Chemistry, 2013, 207, 190-193.

Copper(II) solvatochromic complexes [Cu(acac)(N^N)(ligand)]BPh4 with various axial ligands. Correlation between coordination geometries and d–d transition energies (acac=acetylacetonato, N^N=1,10-phenanthoroline, 2,2′-bipyridyl)

Year: 2013 DOI:10.1016/j.poly.2012.09.063

Ryo Horikoshi, Yusuke Funasako, Takeshi Yajima, Tomoyuki Mochida, Yoji Kobayashi, Hiroshi Kageyama. Polyhedron, 2013, 50, 66-74.

Oxyhydrides of (Ca,Sr,Ba)TiO3 Perovskite Solid Solutions

Year: 2012 DOI:10.1021/ic300859n

Tatsunori Sakaguchi, Yoji Kobayashi, Takeshi Yajima, Masatoshi Ohkura, Cédric Tassel, Fumitaka Takeiri, Shingo Mitsuoka, Hiroshi Ohkubo, Takafumi Yamamoto, Jung Eun Kim, Naruki Tsuji, Akihiko Fujihara, Yoshitaka Matsushita, James Hester, Maxim Avdeev, Kenji Ohoyama, HIroshi Kageyama. Inorganic Chemistry, 2012, 51, 11371-11376.

Epitaxial thin films of ATiO3-xHx (A= Ba, Sr, Ca) with metallic conductivity

Year: 2012 DOI:10.1021/ja302465c

Takeshi Yajima, Atsushi Kitada, Yoji Kobayashi, Tatsunori Sakaguchi, Guillaume Bouilly, Shigeru Kasahara, Takahito Terashima, Mikio Takano, Hiroshi Kageyama. Journal of the American Chemical Society, 2012, 134, 8782-8785.

Low temperature solventless synthesis and characterization of Ni and Fe magnetic nanoparticles.

Year: 2012 DOI:10.1039/c2cc33830k

Liis Seinberg, Shinpei Yamamoto, Ruwan Gallage, Masahiko Tsujimoto, Yoji Kobayashi, Seiji Isoda, Mikio Takano, Hiroshi Kageyama. Chemical Communications, 2012, 48, 8237-8239.

Superconductivity in BaTi2Sb2O with a d1 Square Lattice

Year: 2012 DOI:10.1143/JPSJ.81.103706

Takeshi Yajima, Kousuke Nakano, Fumitaka Takeiri, Toshio Ono, Yuko Hosokoshi, Yoshitaka Matsushita, James Hester, Yoji Kobayashi, Hiroshi Kageyama. Journal of the Physical Society of Japan, 2012, 81, 103706/1-4.

One-pot synthesis of Co-substituted manganese oxide nanosheets and physical properties of lamellar aggregates

Year: 2012 DOI:10.1016/j.materresbull.2012.08.008

Kazuya Kai, Marine Cuisinier, Yukihiro Yoshida, Gunzi Saito, Yoji Kobayashi, Hiroshi Kageyama. Materials Research Bulletin, 2012, 47, 3855-3859.

An oxyhydride of BaTiO3 exhibiting hydride exchange and electronic conductivity

Year: 2012 DOI:10.1038/nmat3302

Nature Materials, 2012, 11, 507-511.

Yoji Kobayashi, Olivier J. Hernandez, Tatsunori Sakaguchi, Takeshi Yajima, Thierry Roisnel, Yoshihiro Tsujimoto, Masaki Morita, Yasuto Noda, Yuuki Mogami, Atsushi Kitada, Masatoshi Ohkura, Saburo Hosokawa, Zhaofei Li, Katsuro Hayashi, Yoshihiro Kusano, Jung eun Kim, Naruki Tsuji, Akihiko Fujiwara, Yoshitaka Matsushita, Kazuyoshi Yoshimura, Kiyonori Takegoshi, Masashi Inoue, Mikio Takano, Hiroshi Kageyama.

Quadruple-layered perovskite (CuCl)Ca2NaNb4O13

Year: 2012 DOI:10.1016/j.jssc.2011.10.038

Atsushi Kitada, Yoshihiro Tsujimoto, Takafumi Yamamoto, Yoji Kobayashi, Yasuo Narumi, Koichi Kindo, Adam A. Aczel, Graeme M. Luke, Yasutomo J. Uemura, Yoko Kiuchi, Yutaka Ueda, Kazuyoshi Yoshimura, Yoshitami Ajiro, Hiroshi Kageyama. Journal of the Solid State Chemistry, 2012, 185, 10-17.

Selective preparation of macroporous monoliths of conductive titanium oxides TinO2n-1 (n = 2, 3, 4, 6).

Year: 2012 DOI:10.1021/ja302083n

Atsushi Kitada, George Hasegawa, Yoji Kobayashi, Kazuyoshi Kanamori, Kazuki Nakanishi, Hiroshi Kageyama. Journal of American Chemical Society, 2012, 134, 10894-10898.

Simultaneous quantification of hydride ions and electrons incorporated in 12CaO·7Al2O3 cages by deuterium-labeled volumetric analysis

Year: 2012 DOI:10.1021/jp2106742

Toshihiro Yoshizumi, Yoji Kobayashi, Hiroshi Kageyama, Katsuro Hayashi. Journal of Physical Chemistry C, 2012, 116, 8747-8752.

Electrochemical characterization of single-layer MnO2 nanosheets as a high-capacitance pseudocapacitor electrode

Year: 2012 DOI:10.1039/c2jm31080e

Kazuya Kai, Yoji Kobayashi, Yuki Yamada, Kohei Miyazaki, Takeshi Abe, Yoshiharu Uchimoto, Hiroshi Kageyama. Journal of Materials Chemistry, 2012, 22, 14691-14695.

(Sr1-xBax)FeO2 (0.4≤x≤1): A new oxygen-deficient perovskite structure

Year: 2012 DOI:10.1021/ja3007403

Takafumi Yamamoto, Yoji Kobayashi, Naoaki Hayashi, Cédric Tassel, Takashi Saito, Shoji Yamanaka, Mikio Takano, Kenji Ohoyama, Yuichi Shimakawa, Kazuyoshi Yoshimura, Hiroshi Kageyama. Journal of the American Chemical Society. 2012, 134, 11444-11454.

Preparation and formation mechanism of a n-butylammonium/MnO2 layered hybrid via a one-pot synthesis under moderate conditions

Year: 2012 DOI:10.1039/C1DT11145K

Kazuya Kai, Yukihiro Yoshida, Yoji Kobayashi, Hiroshi Kageyama, Gunzi Saito. Dalton Transactions, 2012, 41, 825-830.

O2– - to - F– substitution on the quasi-two-dimensional quantum antiferromagnet (CuCl)LaNb2O7

Year: 2011 DOI:10.1088/1742-6596/320/1/012036

Cédric Tassel, Yoji Kobayashi, Shingo Mitsuoka, Fumitaka Takeiri, Yoshitami Ajiro, HIroshi Kageyama. Journal of Physics: Conference Series, 2011, 320, 012036/1-6.

Highly reduced anatase TiO2-𝛿 thin films obtained via low-temperature reduction

Year: 2011 DOI:10.1143/APEX.4.035801

Atsushi Kitada, Shigeru Kasahara, Takahito Terashima, Kazuyoshi Yoshimura, Yoji Kobayashi, Hiroshi Kageyama. Applied Physics Express, 2011, 4, 035801/1-3.

Two-dimensional frustrated antiferromagnets (MCl)LaNb2O7 (M = Mn, Co, Cr)

Year: 2011 DOI:10.1088/1742-6596/320/1/012035

Atsushi Kitada, Yoshihiro Tsujimoto, Takeshi Yajima, Kazuyoshi Yoshimura, Yoshitami Ajiro, Yoji Kobayashi, Hiroshi Kageyama. Journal of Physics: Conference Series, 2011, 320, 012035/1-6.

Pressure-induced structural, magnetic, and transport transitions in the two-legged ladder Sr3Fe2O5

Year: 2011 DOI:10.1021/ja200410z

Takafumi Yamamoto, Cédric Tassel, Yoji Kobayashi, Takateru Kawakami, Taku Okada, Takehiko Yagi, Hideto Yoshida, Takanori Kamatani, Yoshitaka Watanabe, Takumi Kikegawa, Mikio Takano, Kazuyoshi Yoshimura, Hiroshi Kageyama. Journal of the American Chemical Society, 2011, 133, 6036-6043.

Fe-site substitution effect on the structural and magnetic properties in SrFeO2

Year: 2011 DOI:https://pubs.acs.org/doi/10.1021/ic102467u

Liis Seinberg, Takafumi Yamamoto, Cédric Tassel, Yoji Kobayashi, Naoaki Hayashi, Atsushi Kitada, Yuji Sumida, Takashi Watanabe, Masakazu Nishi, Kenji Ohoyama, Kazuyoshi Yoshimura, Mikio Takano, Werner Paulus, Hiroshi Kageyama. Inorganic Chemistry, 2011, 50, 3988-3995.

B1-to-B2 structural transitions in rock salt intergrowth structures

Year: 2011 DOI:10.1021/ic201901a

Takafumi Yamamoto, Yoji Kobayashi, Taku Okada, Takehiko Yagi, Takateru Kawakami, Cédric Tassel, Shota Kawasaki, Naoyuki Abe, Ken Niwa, Takumi Kikegawa, Naohisa Hirao, Mikio Takano, Hiroshi Kageyama. Inorganic Chemistry, 2011, 50, 11704-11787.

Synthesis and thermal stability of the solid solution AFeO2 (A = Ba, Sr, Ca)

Year: 2010 DOI:10.1021/ic/100452m

Takafumi Yamamoto, Zhaofei Li, Cédric Tassel, Naoaki Hayashi, Mikio Takano, Masahiko Isobe, Yutaka Ueda, Kenji Ohoyama, Kazuyoshi Yoshimura, Yoji Kobayashi, Hiroshi Kageyama. Inorganic Chemistry, 2010, 49, 5957-5962.

Conductivity, doping, and redox chemistry of a microporous dithiolene-based metal-organic framework

Year: 2010 DOI:10.1021/cm101238m

Yoji Kobayashi, Benjamin Jacobs, Mark D. Allendorf, Jeffrey R. Long. Chemistry of Materials, 2010, 22, 4120-4122.

Ion-exchangeable, electronically conducting layered perovskite oxyfluorides

Year: 2009 DOI:10.1021/ja9040829

Yoji Kobayashi, Mingliang Tian, Miharu Eguchi, Thomas E. Mallouk. Journal of the American Chemical Society, 2009, 131, 9849-9855.

Photoassisted overall water splitting in a visible light-absorbing dye-sensitized photoelectrochemical cell

Year: 2009 DOI:10.1021/ja809108y

W. Justin Youngblood, Seung-Hyun Anna Lee, Yoji Kobayashi, Emil Hernandez-Pagan, Paul G. Hoertz, Thomas A. Moore, Ana L. Moore, Devens Gust, Thomas E. Mallouk. Journal of the American Chemical Society, 2009, 131, 926-927.

Effect of twinning on the photoluminescence and photoelectrochemical properties of indium phosphide nanowires grown on silicon (111)

Year: 2008 DOI:10.1021/nl802433u

Robyn Woo, Rui Xiao, Yoji Kobayashi, Li Gao, Niti Goel, Mantu K. Hudait, Thomas E. Mallouk, R. F. Hicks. Nano Letters, 2008, 8, 4664-4669.

Soft chemical conversion of layered double hydroxides to superparamagnetic spinel platelets

Year: 2008 DOI:10.1021/cm703443q

Yoji Kobayashi, Xianglin Ke, Hideo Hata, Peter Schiffer, Thomas E. Mallouk. Chemistry of Materials, 2008, 20, 2374-2381.

Proton-conducting films of nanoscale ribbons formed by exfoliation of the layer perovskite H2SrTa2O7

Year: 2008 DOI:10.1021/cm702593m

Joshua A. Schottenfeld, Yoji Kobayashi, Jinguo Wang, Digby D. Macdonald, Thomas E. Mallouk. Chemistry of Materials, 2008, 20, 213-219.

Potassium niobate nanoscrolls incorporating rhodium hydroxide nanoparticles for photocatalytic evolution

Year: 2008 DOI:10.1039.B812003J

Renzhi Ma, Yoji Kobayashi, W. Justin Youngblood, Thomas E. Mallouk. Journal of Materials Chemistry, 2008, 18, 5982-5985.

Direct deposition of trivalent rhodium hydroxide nanoparticles onto a semiconducting layered calcium niobate for photocatalytic hydrogen evolution

Year: 2008 DOI:10.1021/nl072571w

Hideo Hata, Yoji Kobayashi, Vince Bojan, W. Justin Youngblood, Thomas E. Mallouk. Nano Letters, 2008, 8, 794-799.

Structural effects in the protonic/electronic conductivity of Dion-Jacobson phase niobate and tantalate layered perovskites

Year: 2007 DOI:10.1021/jp063061d

Yoji Kobayashi, Joshua A. Schottenfeld, Digby D. Macdonald, Thomas E. Mallouk. Journal of Physical Chemistry C, 2007, 111, 3185-3191.

Scrolled sheet precursor route to niobium and tantalum oxide nanotubes

Year: 2007 DOI:10.1021/nl0708260

Yoji Kobayashi, Hideo Hata, Magda Salama, Thomas E. Mallouk. Nano Letters, 2007, 7, 2142-2145.

pH-Dependent intercalation of gold nanoparticles into a synthetic fluoromica modified with poly(allylamine)

Year: 2007 DOI:10.1021/cm701936y

Hideo Hata, Yoji Kobayashi, Magda Salama, Raafat Malek, Thomas E. Mallouk. Chemistry of Materials, 2007, 19, 6588-6596.

Intercalation of well-dispersed gold nanoparticles into layered oxide nanosheets through intercalation of a polyamine

Year: 2007 DOI:10.1021/ja068272a

Hideo Hata, Shoichi Kubo, Yoji Kobayashi, Thomas E. Mallouk. Journal of the American Chemical Society, 2007, 129, 3064-3065.

Observation of superconductivity in granular Bi nanowires fabricated by electrodeposition

Year: 2006 DOI:10.1021/nl0618041

Mingliang Tian, Jinguo Wang, Nitesh Kumar, Tianheng Han, Yoji Kobayashi, Ying Liu, Thomas E. Mallouk, Moses H. W. Chan. Nano Letters, 2006, 6, 2773-2780.

Encapsulation of anionic dye molecules by a swelling fluoromica through intercalation of cationic polyelectrolytes

Year: 2006 DOI:10.1021/cm061908c

Hideo Hata, Yoji Kobayashi, Thomas E. Mallouk. Chemistry of Materials, 2006, 19, 79-87.

Anodic electrodeposition of highly oriented zirconium phosphate and polyaniline-intercalated zirconium phosphate films

Year: 2006 DOI:10.1021/ja065677m

Takahiro Takei, Yoji Kobayashi, Hideo Hata, Yoshinori Yonesaki, Nobuhiro Kumada, Thomas E. Mallouk. Journal of the American Chemical Society, 2006, 128, 16634-16640.

Synthesis of carbon nanotubes on Ni/carbon-fiber catalysts under mild conditions

Year: 2004 DOI:10.1016/j.carbon.2003.12.076

Kiyoshi Otsuka, Sakae Takenaka, Yoshimune Abe, Nobuhiro Kanai, Yoji Kobayashi, Sakae Takenaka, Eishi Tanabe. Carbon, 2004, 42, 727-736.

Formation of hydrogen through the decomposition of kerosene over nickel-based catalysts

Year: 2004 DOI:10.1021/ef0498972

Sakae Takenaka, Yoji Kobayashi, Kiyoshi Otsuka. Energy & Fuels, 2004, 18, 1775-1783.