-
Nanostructured Transparent CuWO <sub>4</sub> Films with Highly-Oriented Crystallinity Preferential to a (010) Plane as Efficient and Robust Photoanode for Visible-Light-Driven Water Oxidation
Reviewed
Hau H. Ho, Debraj Chandra, Xinyang Huang, Yuta Tsubonouchi, Manabu Ishizaki, Masato Kurihara, Zaki N. Zahran, Masayuki Yagi
ACS Applied Materials & Interfaces
18
(
9
)
13834
-
13847
2026.2
-
Effects of a seed layer formed by a mixed metal-imidazole casting (MiMIC) method on photoelectrochemical water oxidation at WO3 films with a preferential (202) crystal plane
Reviewed
Hau H. Ho, Zaki N. Zahran, Debraj Chandra, Yuta Tsubonouchi, Masayuki Yagi
Research on Chemical Intermediates
52
(
3
)
1807
-
1822
2026.1
-
Optically transparent WO3 films with organized mesopores and oriented crystallinity: An efficient and robust photoanode for visible-light-driven water oxidation at neutral pH
Reviewed
Debraj Chandra, Kosei Ouchi, Yuta Tsubonouchi, Zaki N. Zahran, Masayuki Yagi
Applied Catalysis B: Environment and Energy
380
125733
-
125733
2026.1
-
Mechanistic Insight into Photoelectrochemical Water Oxidation by α-Fe<sub>2</sub>O<sub>3</sub> Films Drastically Depending on Iron Sources and Acidity in Preparation by a Mixed Metal–Imidazole Casting Method
Reviewed
Tomohiro Katsuki, Yamato Sasaki, Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Masayuki Yagi
ACS Applied Energy Materials
8
(
17
)
12661
-
12672
2025.8
-
Critical Enhancement Effects of Ni Content on Electrocatalytic Hydrogen Evolution by Highly Homogeneous PtNi<sub><i>m</i></sub>O<sub><i>x</i></sub> Composite Films Prepared Using a Mixed Metal-Imidazole Casting Method
Reviewed
Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Rie Haruki, Shunsuke Nozawa, Masayuki Yagi
ACS Applied Energy Materials
8
(
13
)
9188
-
9199
2025.6
-
Efficient water oxidation via intramolecular O–O bond formation by the coupling of vicinal hydroxo ligands on dinuclear ruthenium complexes immobilized on electrode surfaces
Reviewed
Yuta Tsubonouchi, Zaki N Zahra, Debraj Chandra, Masayuki Yagi
Chemistry Letters
54
(
4
)
2025.4
-
Enhancement Effects on Visible-Light-Driven Water Oxidation by a Bifunctional Fe-Co-deposited SnO<sub><i>x</i></sub> Catalyst Layer Deposited on an N-Doped CuWO<sub>4</sub> Photoanode
Reviewed
Tomohiro Katsuki, Junsuke Hatayama, Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Masayuki Yagi
ACS Applied Energy Materials
8
(
6
)
3616
-
3627
2025.3
-
Highly stable and efficient photoelectrochemical water oxidation at an anisotropically crystallized monoclinic WO<sub>3</sub> film with predominant growth of the (202) plane
Reviewed
Hau H. Ho, Zaki N. Zahran, Debraj Chandra, Tomohiro Katsuki, Yuta Tsubonouchi, Norihisa Hoshino, Hidenobu Shiroishi, Manabu Ishizaki, Masato Kurihara, Hung M. Chu, Hoa D. Nguyen, Masayuki Yagi
Journal of Materials Chemistry A
13
(
23
)
17898
-
17909
2025
-
Material Hunting of Advanced Metal Oxide Films for Electro- and Photoelectrocatalysis Using a Mixed Metal-Imidazole Casting (MiMIC) Method
Reviewed
Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Masayuki Yagi
Accounts of Materials Research
2024.11
-
Mechanistic insight into efficient electrocatalysis for hydrogen evolution by a platinum film prepared on an FTO electrode using a mixed metal-imidazole casting method
Reviewed
Zaki N. Zahran, Eman A. Mohamed, Tomohiro Katsuki, Yuta Tsubonouchi, Debraj Chandra, Norihisa Hoshino, Masayuki Yagi
International Journal of Hydrogen Energy
51
1544
-
1555
2024.1
-
Visible-light-driven oxygen reduction by an anisotropically crystallized CuBi<sub>2</sub>O<sub>4</sub> photocathode fabricated using a mixed metal-imidazole casting method
Reviewed
Ryohei Sekine, Tetsuya Sato, Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Norihisa Hoshino, Masayuki Yagi
Journal of Materials Chemistry A
2024
-
Extremely efficient and stable hydrogen evolution by a Pt/NiO<sub><i>x</i></sub> composite film deposited on a nickel foam using a mixed metal-imidazole casting method
Reviewed
Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Tomoki Kanazawa, Shunsuke Nozawa, Eman A. Mohamed, Norihisa Hoshino, Masayuki Yagi
Journal of Materials Chemistry A
12
(
12
)
7094
-
7106
2024
-
Prominent development of Ni-based oxygen-evolving electrocatalysts for water splitting
Reviewed
Yuta Tsubonouchi, Zaki N. Zahran, Debraj Chandra, Norihisa Hoshino, Masayuki Yagi
Catalysis Science & Technology
14
(
12
)
3287
-
3319
2024
-
An anisotropically crystallized and nitrogen-doped CuWO<sub>4</sub> photoanode for efficient and robust visible-light-driven water oxidation
Reviewed
Tomohiro Katsuki, Zaki N. Zahran, Norihisa Hoshino, Yuta Tsubonouchi, Debraj Chandra, Masayuki Yagi
Journal of Materials Chemistry A
12
(
41
)
28459
-
28474
2024
-
Configurationally Nonselective Aquation of a Mononuclear Ru(II) Chloro Complex to Aquo Complex Isomers with Distinctive Aspects in Photoisomerization, Redox, and Catalytic Water Oxidation
Reviewed
Yuta Tsubonouchi, Keisuke Inaba, Norihisa Hoshino, Masanari Hirahara, Debraj Chandra, Zaki N. Zahran, Masayuki Yagi
Inorganic Chemistry
2023.10
-
Temperature-Controlled Transformation of WO<sub>3</sub> Nanowires into Active Facets-Exposed Hexagonal Prisms toward Efficient Visible-Light-Driven Water Oxidation
Reviewed
Debraj Chandra, Tomohiro Katsuki, Yuki Tanahashi, Takanari Togashi, Yuta Tsubonouchi, Norihisa Hoshino, Zaki N. Zahran, Masayuki Yagi
ACS Applied Materials & Interfaces
15
(
17
)
20885
-
20896
2023.4
-
p–n junction formation between CoPi and α-Fe<sub>2</sub>O<sub>3</sub> layers enhanced photo-charge separation and catalytic efficiencies for efficient visible-light-driven water oxidation
Reviewed
Tomohiro Katsuki, Zaki N. Zahran, Yuta Tsubonouchi, Debraj Chandra, Norihisa Hoshino, Masayuki Yagi
Sustainable Energy & Fuels
7
(
12
)
2910
-
2922
2023
-
Distinctive Aspects in Aquation, Proton-Coupled Redox, and Photoisomerization Reactions between Geometric Isomers of Mononuclear Ruthenium Complexes with a Large-π-Conjugated Tetradentate Ligand
Reviewed
Yuta Tsubonouchi, Takeumi Watanabe, Kazuha Yoshida, Shunsuke Watabe, Keisuke Inaba, Masanari Hirahara, Tsubasa Hatanaka, Yasuhiro Funahashi, Debraj Chandra, Norihisa Hoshino, Zaki N. Zahran, Masayuki Yagi
Inorganic Chemistry
61
(
35
)
13956
-
13967
2022.9
-
Perfect Matching Factor between a Customized Double-Junction GaAs Photovoltaic Device and an Electrolyzer for Efficient Solar Water Splitting
Reviewed
Zaki N. Zahran, Yugo Miseki, Eman A. Mohamed, Yuta Tsubonouchi, Kikuo Makita, Takeyoshi Sugaya, Kazuhiro Sayama, Masayuki Yagi
ACS Applied Energy Materials
5
(
7
)
8241
-
8253
2022.7
-
Highly Efficient and Durable Electrocatalysis by a Molecular Catalyst with Long Alkoxyl Chains Immobilized on a Carbon Electrode for Water Oxidation
Reviewed
Yuta Tsubonouchi, Taichi Hayasaka, Yuki Wakai, Eman. A. Mohamed, Zaki N. Zahran, Masayuki Yagi
ACS Applied Materials & Interfaces
14
(
13
)
15154
-
15164
2022.4
-
Nickel Sulfate as an Influential Precursor of Amorphous High-Valent Ni(III) Oxides for Efficient Water Oxidation in Preparation via a Mixed Metal-Imidazole Casting Method
Reviewed
Zaki N. Zahran, Eman A. Mohamed, Tomohiro Katsuki, Yuta Tsubonouchi, Masayuki Yagi
ACS Applied Energy Materials
5
(
2
)
1894
-
1904
2022.2
-
Characterization of electrocatalytic proton reduction and surface adsorption of platinum nanoparticles supported by a polymeric stabilizer on an ITO electrode
Reviewed
Yuta Tsubonouchi, Masashi Kajita, Taichi Hayasaka, Hamada S. Mandour, Mohamed R. Berber, Zaki N. Zahran, Masayuki Yagi
Sustainable Energy & Fuels
6
(
3
)
815
-
821
2022
-
A highly efficient and stable platinum film deposited <i>via</i> a mixed metal-imidazole casting method as a benchmark cathode for electrocatalytic hydrogen evolution
Reviewed
Zaki N. Zahran, Eman A. Mohamed, Tomohiro Katsuki, Yuta Tsubonouchi, Debraj Chandra, Norihisa Hoshino, Masayuki Yagi
Sustainable Energy & Fuels
6
(
18
)
4265
-
4274
2022
-
Mechanism of H+ dissociation–induced O–O bond formation via intramolecular coupling of vicinal hydroxo ligands on low-valent Ru(III) centers
Reviewed
Yuki Tanahashi, Kosuke Takahashi, Yuta Tsubonouchi, Shunsuke Nozawa, Shin-ichi Adachi, Masanari Hirahara, Eman A. Mohamed, Zaki N. Zahran, Kenji Saito, Tatsuto Yui, Masayuki Yagi
Proceedings of the National Academy of Sciences
118
(
52
)
e2113910118
-
e2113910118
2021.12
-
Facile Fabrication of a Highly Crystalline and Well-Interconnected Hematite Nanoparticle Photoanode for Efficient Visible-Light-Driven Water Oxidation
Reviewed
Tomohiro Katsuki, Zaki N. Zahran, Kou Tanaka, Tatsuya Eo, Eman A. Mohamed, Yuta Tsubonouchi, Mohamed R. Berber, Masayuki Yagi
ACS Applied Materials & Interfaces
13
(
33
)
39282
-
39290
2021.8
-
Highly selective electrocatalysis for carbon dioxide reduction to formic acid by a Co(II) complex with an equatorial N4 ligand
Reviewed
Yuta Tsubonouchi, Daiki Takahashi, Mohamed R. Berber, Eman A. Mohamed, Zaki N. Zahran, Asma M. Alenad, Numa A. Althubiti, Masayuki Yagi
Electrochimica Acta
138545
-
138545
2021.5
-
Handy Protocol of Nitrogen-Doped BiVO4 Photoanode for Visible Light-Driven Water Oxidation
Reviewed
Tatsuya Eo, Tomohiro Katsuki, Mohamed R. Berber, Zaki N. Zahran, Eman A. Mohamed, Yuta Tsubonouchi, Asma M. Alenad, Numa A. Althubiti, Masayuki Yagi
ACS Applied Energy Materials
4
(
4
)
2983
-
2989
2021.4
-
Concisely Synthesized FeNiWOx Film as a Highly Efficient and Robust Catalyst for Electrochemical Water Oxidation
Reviewed
Zaki N. Zahran, Eman A. Mohamed, Yuta Tsubonouchi, Manabu Ishizaki, Takanari Togashi, Masato Kurihara, Kenji Saito, Tatsuto Yui, Masayuki Yagi
ACS Applied Energy Materials
4
(
2
)
1410
-
1420
2021.2
-
Electrocatalytic water splitting with unprecedentedly low overpotentials by nickel sulfide nanowires stuffed into carbon nitride scabbards
Zaki N. Zahran, Eman A. Mohamed, Yuta Tsubonouchi, Manabu Ishizaki, Takanari Togashi, Masato Kurihara, Kenji Saito, Tatsuto Yui, Masayuki Yagi
Energy & Environmental Science
14
(
10
)
5358
-
5365
2021
-
High Potential-Applied Catalyst Behavior of a Mononuclear Ruthenium(II) Complex on a Mesoporous ITO Electrode for Water Oxidation
Reviewed
Yuta Tsubonouchi, Yuki Tanahashi, Tatsuya Eo, Junichiro Honta, Taisei Sato, Eman A. Mohamed, Zaki N. Zahran, Kenji Saito, Tatsuto Yui, Masayuki Yagi
Journal of The Electrochemical Society
167
(
16
)
166515
-
166515
2020.12
-
Efficient Electrocatalytic Water Oxidation by a Dinuclear Ruthenium(II) Complex with Vicinal Aquo and Hydroxo Groups Adsorbed on a TiO2 Electrode
Reviewed
Yuki Tanahashi, Sho Nagai, Yuta Tsubonouchi, Masanari Hirahara, Taisei Sato, Eman A. Mohamed, Zaki N. Zahran, Kenji Saito, Tatsuto Yui, Masayuki Yagi
ACS Applied Energy Materials
3
(
12
)
12172
-
12184
2020.12
-
Molecular aspects, electrochemical properties and water oxidation catalysis on a nanoporous TiO<inf>2</inf> electrode anchoring a mononuclear ruthenium(II) aquo complex
Reviewed
Yuta Tsubonouchi, Tatsuya Eo, Junichiro Honta, Taisei Sato, Eman A. Mohamed, Zaki N. Zahran, Kenji Saito, Tatsuto Yui, Masayuki Yagi
Journal of Photochemistry and Photobiology A: Chemistry
400
2020.9
-
FeNi Layered Double Hydroxide Nanoflakes with Potential for Intrinsically High Water-Oxidation Catalytic Activity
Reviewed
Manabu Ishizaki, Hiroya Tanno, Hikaru Sutoh, Tomohiro Katsuki, Taichi Hayasaka, Masayuki Yagi, Yuta Tsubonouchi, KAZUKI TAJIMA, Tohru Kawamoto, Yusuke Sakuda, Masato Kurihara
ACS Applied Energy Materials
3
(
9
)
9040
-
9050
2020.8
-
Highly Efficient and Selective Electrocatalytic CO2-to-CO Conversion by a Non-heme Iron Complex with an In-Plane N-4 Ligand in Heterogeneous Aqueous Media
Reviewed
Eman A. Mohamed, Zaki N. Zahran, Yuta Tsubonouchi, Kenji Saito, Tatsuto Yui, Masayuki Yagi
ACS APPLIED ENERGY MATERIALS
3
(
5
)
4114
-
4120
2020.5
-
Multi-potential-step chronocoulospectrometry for electrocatalytic water oxidation by a mononuclear ruthenium aquo complex immobilized on a mesoporous ITO electrode.
Reviewed
International journal
Yuta Tsubonouchi, Junichiro Honta, Taisei Sato, Eman A Mohamed, Zaki N Zahran, Kenji Saito, Tatsuto Yui, Masayuki Yagi
Dalton transactions (Cambridge, England : 2003)
49
(
5
)
1416
-
1423
2020.2
-
Characterization and Mechanism of Efficient Visible-Light-Driven Water Oxidation on an in Situ N-2-Intercalated WO3 Nanorod Photoanode
Reviewed
Debraj Chandra, Dong Li, Tetsuya Sato, Yuki Tanahashi, Takanari Togashi, Manabu Ishizaki, Masato Kurihara, Eman A. Mohamed, Yuta Tsubonouchi, Zaki N. Zahran, Kenji Saito, Tatsuto Yui, Masayuki Yagi
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
7
(
21
)
17896
-
17906
2019.11
-
Critical Hammett Electron-Donating Ability of Substituent Groups for Efficient Water Oxidation Catalysis by Mononuclear Ruthenium Aquo Complexes.
Reviewed
Watabe S, Tanahashi Y, Hirahara M, Yamazaki H, Takahashi K, Mohamed EA, Tsubonouchi Y, Zahran ZN, Saito K, Yui T, Yagi M
Inorganic chemistry
58
(
19
)
12716
-
12723
2019.10
-
Recent Advances in the Development of Molecular Catalyst-Based Anodes for Water Oxidation toward Artificial Photosynthesis.
Reviewed
Zahran ZN, Tsubonouchi Y, Mohamed EA, Yagi M
ChemSusChem
12
(
9
)
1775
-
1793
2019.5
-
Mechanisms of water oxidation using ruthenium, cobalt, copper, and iron molecular catalysts
Reviewed
Alexander Rene Parent, Takashi Nakazono, Yuta Tsubonouchi, Natsuki Taira, Ken Sakai
Advances in Inorganic Chemistry
74
197
-
240
2019.1
-
Light-induced water oxidation catalyzed by an oxido-bridged triruthenium complex with a Ru-O-Ru-O-Ru motif
Reviewed
Yuta Tsubonouchi, Shu Lin, Alexander R. Parent, Gary W. Brudvig, Ken Sakai
CHEMICAL COMMUNICATIONS
52
(
51
)
8018
-
8021
2016
