Topochemical synthesis of mesoporous TiO2 co-doped with nitrogen and fluorine for improved photocatalytic O2 evolution under visible light

Shuwei Liu, Ryosuke Nishikubo, Fumitaka Ishiwari, Xian Zhang, Megumi Okazaki, Shunsuke Nozawa, Akinori Saeki and Kazuhiko Maeda

Nanoscale Horiz., 2026, 11, 498
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The role of the shell in core–shell-structured La-doped NaTaO3 photocatalysts

Hanggara Sudrajat, Mitsunori Kitta, Ryota Ito, Tomoko Yoshida, Ryuzi Katoh, Bunsho Ohtani, Nobuyuki Ichikuni and Hiroshi Onishi

Phys. Chem. Chem. Phys., 2021, 23, 8868
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Thermally stable phenylethylammonium-based perovskite passivation: spontaneous passivation with phenylethylammonium bis(trifluoromethylsulfonyl)imide during deposition of PTAA for enhancing photovoltaic performance of perovskite solar cells

Naoyuki Nishimura, Hiroyuki Kanda, Ryuzi Katoh, Atsushi Kogo and Takurou N. Murakami

J. Mater. Chem. A, 2024, 12, 15631
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TiO2 photoanodes with exposed {0 1 0} facets grown by aerosol-assisted chemical vapor deposition of a titanium oxo/alkoxy cluster

Miriam Regue, Sandra Sibby, Ibbi Y. Ahmet, Dennis Friedrich, Fatwa F. Abdi, Andrew L. Johnson and Salvador Eslava

J. Mater. Chem. A, 2019, 7, 19161
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Long photocarrier lifetimes in CsPbBr3 films deposited by a machine-learning-assisted IR-laser molecular beam epitaxy process

Shizuka Suzuki, Toshihiro Sato, Hideomi Koinuma, Ryuzi Katoh and Ryota Takahashi

J. Mater. Chem. C, 2026, 14, 5537
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A sol–gel biotemplating route with cellulose nanocrystals to design a photocatalyst for improving hydrogen generation

Cong Wang, Jian Li, Erwan Paineau, Abdelghani Laachachi, Christophe Colbeau-Justin, Hynd Remita and Mohamed Nawfal Ghazzal

J. Mater. Chem. A, 2020, 8, 10779
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Unveiled effects of the methylammonium chloride additive on formamidinium lead halide: expediting carrier injection from the photoabsorber to carrier transport layers through spontaneously modulated heterointerfaces in perovskite solar cells

Naoyuki Nishimura, Ranjan Kumar Behera, Ryuzi Katoh, Hiroyuki Kanda, Takurou N. Murakami and Hiroyuki Matsuzaki

J. Mater. Chem. C, 2024, 12, 9130
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Elucidating Structural Disorder in Ultra‐Thin Bi‐Rich Bismuth Oxyhalide Photocatalysts

Melissa Marks, Henrik Jeppesen, Mads Lund Nygaard Nielsen, Jintao Kong, Marcel Ceccato, Monique A. van der Veen, Espen Drath Bøjesen and Nina Lock

Small, 2024
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Precise synthesis and assembly of π-conjugated polymers enabled by metal–organic frameworks

Takashi Kitao

Bulletin of the Chemical Society of Japan, 2024, 97
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A phase transformable ultrastable titanium-carboxylate framework for photoconduction

Sujing Wang, Takashi Kitao, Nathalie Guillou, Mohammad Wahiduzzaman, Charlotte Martineau-Corcos, Farid Nouar, Antoine Tissot, Laurent Binet, Naseem Ramsahye, Sabine Devautour-Vinot, Susumu Kitagawa, Shu Seki, Yusuke Tsutsui, Valérie Briois, Nathalie Steunou, Guillaume Maurin, Takashi Uemura and Christian Serre

Nat Commun, 2018, 9
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Hydrophilic or Hydrophobic? Spontaneous Chemical Capping with Bis(trifluoromethanesulfonyl)imide‐Based Additive for Photoabsorbers in Perovskite Solar Cells

Naoyuki Nishimura, Ryuzi Katoh, Hiroyuki Kanda and Takurou N. Murakami

Solar RRL, 2025, 9
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Developing Active TiO2 Nanorods by Examining the Influence of Morphological Changes from Nanorods to Nanoparticles on Photocatalytic Activity

Yukari Yamazaki, Keisuke Azami, Ryuzi Katoh and Suzuko Yamazaki

ACS Appl. Nano Mater., 2018, 1, 5927
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Reactivity Manipulation of Ionic Liquid Based on Alkyl Primary Ammonium: Protonation Control Using 4‐tert‐Butylpyridine Additive for Effective Spontaneous Passivation of Perovskite via Hole Transport Material Deposition

Naoyuki Nishimura, Hiroaki Tachibana, Ryuzi Katoh, Hiroyuki Kanda and Takurou N. Murakami

Solar RRL, 2024, 8
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Water-Splitting Activity of La-Doped NaTaO3 Photocatalysts Sensitive to Spatial Distribution of Dopants

Hanggara Sudrajat, Mitsunori Kitta, Ryota Ito, Sota Nagai, Tomoko Yoshida, Ryuzi Katoh, Bunsho Ohtani, Nobuyuki Ichikuni and Hiroshi Onishi

J. Phys. Chem. C, 2020, 124, 15285
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Enhancement of Photocarrier Lifetimes in Infrared-Laser-Deposited CsPbBr3 Films Using a CsBr Underlayer

Takuro Dazai, Toshihiro Sato, Hideomi Koinuma, Ryuzi Katoh and Ryota Takahashi

ACS Appl. Electron. Mater., 2023, 5, 3965
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Harvesting light with semiconductor: Role of interface in the processes of charge transfer

Olivier Nguyen, Natacha Krins and Christel Laberty-Robert

Materials Science in Semiconductor Processing, 2018, 73, 2
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Dependence of Photoexcited Electron Behavior on Octahedral Distortion in Barium-Doped NaTaO3 Photocatalysts

Hanggara Sudrajat, Mitsunori Kitta, Ryuzi Katoh, Nobuyuki Ichikuni and Hiroshi Onishi

J. Phys. Chem. C, 2021, 125, 16403
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Enhancement of Luminescence in Anatase TiO2 Photocatalysts by Ethanol under Hole-Scavenging Conditions

Yuuki Tomitsuka, Takeru Saito and Ryuzi Katoh

J. Phys. Chem. C, 2025, 129, 9413
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Vapor‐Phase Synthesis of Potassium‐Doped Polymeric Carbon Nitride Photocatalytic Panels

Devesh Garg, Gabriel Mark, Venugopala Rao Battula, Yotam Engel, Rohit Kumar Saini, Alexander I. Shames, Thamaraichelvan Marichelvam, Daniel A. Grave, Michael Volokh and Menny Shalom

Small, 2026, 22
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Lifetime Enhancement of Visible Light Induced Photocharges in Tungsten and Nitrogenin situCodoped TiO2:WN Thin Films

N. Delegan, R. Pandiyan, S. Johnston, A. Dirany, S. Komtchou, P. Drogui and M. A. El Khakani

J. Phys. Chem. C, 2018, 122, 5411
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Artificially Designed Compositionally Graded Sr-Doped NaTaO3 Single-Crystalline Thin Films and the Dynamics of Their Photoexcited Electron–Hole Pairs

Rio Konno, Shingo Maruyama, Takumu Kosaka, Ryuzi Katoh, Ryota Takahashi, Hiroshi Kumigashira, Nobuyuki Ichikuni, Hiroshi Onishi and Yuji Matsumoto

Chem. Mater., 2021, 33, 226
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Photocatalysis fundamentals and surface modification of TiO2 nanomaterials

Jiuqing Wen, Xin Li, Wei Liu, Yueping Fang, Jun Xie and Yuehua Xu

Chinese Journal of Catalysis, 2015, 36, 2049
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Laser ablation process of CsPbBr 3 heterostructures for light-emitting diode applications

Ryunosuke Kumagai, Ren Koguchi, Takuro Dazai, Toshihiro Sato, Hideomi Koinuma, Ryuzi Katoh and Ryota Takahashi

Science and Technology of Advanced Materials, 2025, 26
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Ultrasensitive Transient Absorption Study on Charge Trapping Dynamics in Rutile TiO2 Single Crystals

Ryuzi Katoh

J. Phys. Chem. C, 2025, 129, 21299
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Photoconductivity–Lifetime Product Correlates Well with the Photocatalytic Activity of Oxyhalides Bi4TaO8Cl and PbBiO2Cl: An Approach to Boost Their O2 Evolution Rates

Hajime Suzuki, Masanobu Higashi, Hironobu Kunioku, Ryu Abe and Akinori Saeki

ACS Energy Lett., 2019, 4, 1572
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Photoluminescence decay of mobile carriers influenced by imperfect quenching at particle surfaces with subdiffusive spread

Ryuzi Katoh and Kazuhiko Seki

The Journal of Chemical Physics, 2024, 161
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Time-resolved microwave conductivity of P25 TiO2: Distinguishing light-induced electron and hole transport

C. Colbeau-Justin and A. Kanaev

Journal of Physics and Chemistry of Solids, 2026, 211, 113488
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Spontaneous Heterointerface Modulation by a Methylammonium Tetrafluoroborate Additive for a Narrow-Bandgap FAPbI3 Photoabsorber in Perovskite Solar Cells

Daisuke Kubota, Ryuzi Katoh, Hiroyuki Kanda, Hiroyuki Yaguchi, Takurou N. Murakami and Naoyuki Nishimura

ACS Appl. Mater. Interfaces, 2024, 16, 53918
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Size and shape effect on the photocatalytic efficiency of TiO2 brookite

Stephanie Pigeot-Rémy, Damia Gregori, Roumayssaa Hazime, Alexandre Hérissan, Chantal Guillard, Corinne Ferronato, Sophie Cassaignon, Christophe Colbeau-Justin and Olivier Durupthy

J Mater Sci, 2019, 54, 1213
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Exploring the Relationship between Effective Mass, Transient Photoconductivity, and Photocatalytic Activity of SrxPb1–xBiO2Cl (x = 0–1) Oxyhalides

Hajime Suzuki, Shohei Kanno, Masahiko Hada, Ryu Abe and Akinori Saeki

Chem. Mater., 2020, 32, 4166
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Critical Role of the NiO–Ni(OH)2 Species Loaded Onto TiO2 Photocatalyst in the Enhancement of H2 Evolution Activity

Hanggara Sudrajat and Ari Susanti

J. Electrochem. Soc., 2023, 170, 016504
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Archetype-Cation-Based Room-Temperature Ionic Liquid: Aliphatic Primary Ammonium Bis(trifluoromethylsulfonyl)imide as a Highly Functional Additive for a Hole Transport Material in Perovskite Solar Cells

Naoyuki Nishimura, Hiroaki Tachibana, Ryuzi Katoh, Hiroyuki Kanda and Takurou N. Murakami

ACS Appl. Mater. Interfaces, 2023, 15, 44859
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Origin of Enhanced Overall Water Splitting Efficiency in Aluminum‐Doped SrTiO3 Photocatalyst

Dharmapura H. K. Murthy, Vikas Nandal, Akihiro Furube, Kazuhiko Seki, Ryuzi Katoh, Hao Lyu, Takashi Hisatomi, Kazunari Domen and Hiroyuki Matsuzaki

Advanced Energy Materials, 2023, 13
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Engineering of Volatile Cations in Tetrafluoroborate-Based Spontaneous Heterointerface Modulators for Perovskite Solar Cells

Daisuke Kubota, Ryuzi Katoh, Hiroyuki Yaguchi, Takurou N. Murakami and Naoyuki Nishimura

ACS Appl. Mater. Interfaces, 2025, 17, 60614
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Operando and Time-Resolved X-Ray Absorption Spectroscopy for the Study of Photoelectrode Architectures

Tomasz Baran, Martina Fracchia, Alberto Vertova, Elisabetta Achilli, Alberto Naldoni, Francesco Malara, Giacomo Rossi, Sandra Rondinini, Paolo Ghigna, Alessandro Minguzzi and Francesco D’Acapito

Electrochimica Acta, 2016, 207, 16
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Primary photocatalytic water reduction and oxidation at an anatase TiO2 and Pt-TiO2 nanocrystalline electrode revealed by quantitative transient absorption studies

Hanming Liu, Maning Liu, Ryosuke Nakamura and Yasuhiro Tachibana

Applied Catalysis B: Environmental, 2021, 296, 120226
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