2024年

Extremely efficient and stable hydrogen evolution by a Pt/NiOx composite film deposited on a nickel foam using a mixed metal-imidazole casting method
Z. N. Zahran, Y. Tsubonouchi, D. Chandra, T. Kanazawa, S. Nozawa, E. A. Mohamed, N. Hoshino, M. Yagi
J. Mater. Chem. A, 2024, 12, 7094-7106.

Visible-light-driven oxygen reduction by an anisotropically crystallized CuBi2O4 photocathode fabricated using a mixed metal-imidazole casting method
R. Sekine, T. Sato, Z. N. Zahran, Y. Tsubonouchi, D. Chandra, N. Hoshino, M. Yagi
J. Mater. Chem. A, 2024, 12, 2129-2139.

Mechanistic insight into efficient electrocatalysis for hydrogen evolution by a platinum film prepared on an FTO electrode using a mixed metal-imidazole casting method
Z. N. Zahran, E. A. Mohamed, T. Katsuki, Y. Tsubonouchi, D. Chandra, N. Hoshino, M. Yagi
International Journal of Hydrogen Energy, 2024, 51, 1544-1555.

2023年

Configurationally Nonselective Aquation of a Mononuclear Ru(II) Chloro Complex to Aquo Complex Isomers with Distinctive Aspects in Photoisomerization, Redox, and Catalytic Water Oxidation
Y. Tsubonouchi, K. Inaba, N. Hoshino, M. Hirahara, D. Chandra, Z. N. Zahran, M. Yagi
Inorg. Chem, 2023, 62, 17654–17667.

p–n junction formation between CoPi and α-Fe2O3 layers enhanced photo-charge separation and catalytic efficiencies for efficient visible-light-driven water oxidation
T. Katsuki, Z. N. Zahran, Y. Tsubonouchi, D. Chandra, N. Hoshino, M. Yagi
Sustainable Energy Fuels, 2023, 7, 2910-2922.

Temperature-Controlled Transformation of WO3 Nanowires into Active Facets-Exposed Hexagonal Prisms toward Efficient Visible-Light-Driven Water Oxidation
D. Chandra, T. Katsuki, Y. Tanahashi, T. Togashi, Y. Tsubonouchi, N. Hoshino, Z. N. Zahran, M. Yagi
ACS Appl. Mater. Interfaces, 2023, 15(17), 20885–20896.

2022年

Distinctive Aspects in Aquation, Proton-Coupled Redox, and Photoisomerization Reactions between Geometric Isomers of Mononuclear Ruthenium Complexes with a Large-π-Conjugated Tetradentate Ligand.
Y. Tsubonouchi, T. Watanabe, K. Yoshida, S. Watabe, K. Inaba, M. Hirahara, T. Hatanaka, Y. Funahashi, D. Chandra, N. Hoshino, Z. N. Zahran, M. Yagi
Inorg. Chem,2022, 61(35), 13956-13967.

Perfect Matching Factor between a Customized Double-Junction GaAs Photovoltaic Device and an Electrolyzer for Efficient Solar Water Splitting.
Z. N. Zahran, Y. Miseki, E. A. Mohamed, Y. Tsubonouchi, K. Makita, T. Sugaya, K. Sayama, M. Yagi,
ACS Appl. Energy Mater, 2022, 5(7), 8241-8253.

Bipyridine-based polybenzimidazole as a nitrogen-rich ionomer and a platinum nanoparticle support for enhanced fuel cell performance.
M. R. Berber, A. M. Alenad, N. A. Althubiti, Z. A. Alrowaili, Z. N. Zahran, M. Yagi,
Fuel, 2022, 312, 122954.

Highly Efficient and Durable Electrocatalysis by a Molecular Catalyst with Long Alkoxyl Chains Immobilized on a Carbon Electrode for Water Oxidation.
Y. Tsubonouchi, T. Hayasaka, Y. Wakai, E. A. Mohamed, Z. N. Zahran, and M. Yagi,
ACS Appl. Mater. Interfaces, 2022, 14,13, 15154-15164.

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.
Z. N. Zahran, E. A. Mohamed, T. Katsuki, Y. Tsubonouchi, and M. Yagi,
ACS Appl. Energy Mater, 2022, 5(2), 1894-1904.

Characterization of electrocatalytic proton reduction and surface adsorption of platinum nanoparticles supported by a polymeric stabilizer on an ITO electrode.
Y. Tsubonouchi, M. Kajita, M. R. Berber, Z. N. Zahran, and M. Yagi,
Sustainable Energy Fuels, 2022, 6, 815-821.

2021年

Mechanism of H+ dissociation–induced O–O bond formation via intramolecular coupling of vicinal hydroxo ligands on low-valent Ru(III) centers.
Y. Tanahashi, K. Takahashi, Y. Tsubonouchi, S. Nozawa, S. Adachi, M. Hirahara, E. A. Mohamed, Z. N. Zahran, K. Saito, T. Yui, and M. Yagi,
Proc. Natl. Acad. Sci. U. S. A., 2021, 118(52), e2113910118.

Electrocatalytic water splitting with unprecedentedly low overpotentials.by nickel sulfide nanowires stuffed into carbon nitride scabbards.
Z. N. Zahran, E. A. Mohamed, Y. Tsubonouchi, M. Ishizaki, T. Togashi, M. Kurihara, K. Saito, T. Yui, M. Yagi, Energy Environ. Sci., 2021, 14(10), 5358-5365.

Facile fabrication of a highly crystalline and well-interconnected hematite nanoparticle photoanode for efficient visible-light-driven water oxidation.
T. Katsuki, Z. N. Zahran, K. Tanaka1, T. Eo, E. A. Mohamed, Y. Tsubonouchi, M. R. Berber, M. Yagi,
ACS Appl. Mater. Interfaces, 2021, 13(33), 39282-39290.

Highly efficient electrocatalytic water oxidation by a transparent ordered mesoporous film of intermediate IrOx(OH)y.
D. Chandra, T. Katsuki, T. Masaki, N. Abe, K. Saito, T. Yui, M. Yagi,
ACS Appl. Energy Mater., 2021, 4(5), 4355-4364.

Highly selective electrocatalysis for carbon dioxide reduction to formic acid by a Co(II) complex with an equatorial N4 ligand.
Y. Tsubonouchi, D. Takahashi, M. R. Berber, E. A. Mohamed, Z. N. Zahran, A. M. Alenad, N. A. Althubiti, M. Yagi,
Electrochim. Acta, 2021, 387(4), 138545.

Handy protocol of nitrogen-doped BiVO4 photoanode for visible light-driven water oxidation.
T. Eo, T. Katsuki, M. R. Berber, Z. N. Zahran, E. A. Mohamed, Y. Tsubonouchi, A. M. Alenad, N. A. Althubiti, M. Yagi,
ACS Appl. Energy Mater., 2021, 4(4), 2983-2989..

Concisely synthesized FeNiWOx film as a highly efficient and robust catalyst for electrochemical water oxidation.
Z. N. Zahran, E. A. Mohamed, Y. Tsubonouchi, M. Ishizaki, T. Togashi, M. Kurihara, K. Saito, T. Yui, M. Yagi, , ACS Appl. Energy Mater., 2021, 4(2), 1410-1420.

2020年

High Potential-Applied Catalyst Behavior of a Mononuclear Ruthenium(II) Complex on a Mesoporous ITO Electrode for Water Oxidation.
Y. Tsubonouchi, Y. Tanahashi, T. Eo, J. Honta, T. Sato, E. A. Mohamed, Z. N. Zahran, K. Saito, T. Yui, M. Yagi,
J. Electrochem. Soc., 2020, 167(16), 166515-166515.

Efficient Electrocatalytic Water Oxidation by a Dinuclear Ruthenium(II) Complex with Vicinal Aquo and Hydroxo Groups Adsorbed on a TiO2 Electrode.
Y. Tanahashi, S. Nagai, Y. Tsubonouchi, M. Hirahara, T. Sato, E. A. Mohamed, Z. N. Zahran, K. Saito, T. Yui, M. Yagi,
ACS Appl. Energy Mater., 2020, 3(12), 12172-12184.

Molecular aspects, electrochemical properties and water oxidation catalysis on a nanoporous TiO<inf>2</inf> electrode anchoring a mononuclear ruthenium(II) aquo complex.
Y. Tsubonouchi, T. Eo, J. Honta, T. Sato, E. A. Mohamed, Z. N. Zahran, K. Saito, T. Yui, M. Yagi,
Photochem. Photobiol., A, 2020, 400, 112696-112700.

FeNi Layered Double Hydroxide Nanoflakes with Potential for Intrinsically High Water-Oxidation Catalytic Activity.
M. Ishizaki, H. Tanno, H. Sutoh, T. Katsuki, T. Hayasaka, M. Yagi, Y. Tsubonouchi, K. Tajima, T. Kawamoto, Y. Sakuda, M. Kurihara,
ACS Appl. Energy Mater. 2020, 3(9) 9040-9050.

A multi-stimuli responsive ruthenium complex for catalytic water oxidation.
M. Hirahara, H. Goto, M. Yagi, Y. Umemura,
Chem. Commun., 2020,56, 12825-12828.

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
E. A. Mohamed, Z. N. Zahran, Y. Tsubonouchi, K. Saito, T. Yui, M. Yagi,
ACS Appl. Energy Mater. 2020, 3(5) 4114-4120.

Multi-potential-step chronocoulospectrometry for electrocatalytic water oxidation by a mononuclear ruthenium aquo complex immobilized on a mesoporous ITO electrode.
Y. Tsubonouchi, J. Honta, T. Sato, E. A. Mohamed, Z. N. Zahran, K. Saito, T. Yui, M. Yagi,
Dalton Trans. 2020, 49(5) 1416-1423.

2019年

Characterization and Mechanism of Efficient Visible-Light-Driven Water Oxidation on an in Situ N-2-Intercalated WO3 Nanorod Photoanode.
D. Chandra, D. Li, T. Sato, Y. Tanahashi, T. Togashi, M. Ishizaki, M. Kurihara, E. A. Mohamed, Y. Tsubonouchi, Z. N. Zahran, K. Saito, T. Yui, and M. Yagi,
ACS Sustainable Chem. Eng., 2019, 7, 21, 17896–17906.

Recent advances in the development of molecular catalyst-based anodes for water oxidation toward artificial photosynthesis.
Z. N. Zahran, Y. Tsubonouchi, E. A. Mohamed, M. Yagi,
ChemSusChem, 2019, 12(9), 1775-1793.

Facile and sustainable fabrication of transparent mesoporous IrOx films formed by nanoparticles assembly for efficient electrocatalytic water oxidation.
D. Chandra, T. Sato, N. Abe, K. Saito, T. Yui, M. Yagi,
Sustainable Energy Fuels, 2019, 12.

Critical Hammett electron-donating ability of substituent groups for efficient water oxidation catalysis by mononuclear ruthenium aquo complexes.
S. Watabe, Y. Tanahashi, M. Hirahara, H. Yamazaki, K. Takahashi, E. A. Mohamed, Y. Tsubonouchi, Z. N. Zahran, K. Saito, T. Yui, M. Yagi,
Inorg. Chem. 2019, 58, 12716-12723.

Photoisomerization and thermal isomerization of ruthenium aqua complexes with chloro-substituted asymmetric bidentate ligands.
M. Hirahara, H. Goto, R. Yamamoto, M. Yagi, Y. Umemura,
RSC Advances, 2019, 9(12), 16838-16846.

Facile fabrication and nanostructure control of mesoporous iridium oxide films for efficient electrocatalytic water oxidation. 
D. Chandra, T. Sato, Y. Tanahashi, R. Takeuchi, M. Yagi,
Energy., 2019, 173, 278-289.

2018年

An efficient catalyst film fabricated by electrophoretic deposition of cobalt hydroxide for electrochemical water oxidation.
R. Takeuchi, T. Sato, T. Masaki, K. Aiso, D. Chandra, K. Saito, T. Yui, M. Yagi.
Journal of Photochemistry and Photobiology A:Chemistry, 2018, 358, 395-401.

Visible Light-Driven Water Oxidation on an In Situ N2-Intercalated WO3 Nanorod Photoanode Synthesized by a Dual-Functional Structure-Directing Agent.
D. Li, R. Takeuchi, D. Chandra, K. Saito, T. Yui, M. Yagi
ChemSusChem, 2018, 11(7), 1151-1156

Preparation of stable silver nanoparticles having wide red-to-near-infrared extinction.
K. Shiori, M. Kazuki, S. Sotaro, S. Kazuhisa, S. Masataro, S. Kenji, Y. Masayuki, N. Wataru, S. Ryo, K. Michiko, E. Miharu, Y. Shu, A. Yusuke, Y. Tatsuto.
GLOBAL CHALLENGES, 2018, 2(3).

Facile templateless fabrication of a cobalt oxyhydroxide nanosheet film with nanoscale porosity as an efficient electrocatalyst for water oxidation.
C. Debraj, T. Kou, T. Ryouchi, A. Naoto, T. Takanari, K. Masato, S. Kenji, Y. Tatsuto, Y. Masayuki.
CHEMPHOTOCHEM, 2018, 2(3) 332-339.

Tunable mesoporous structure of crystalline WO3 photoanode towards efficient visible-light-driven water oxidation.
D. Chandra, K. Saito, T. Yui, M. Yagi.
ACS Sustainable Chem. Eng., 2018, 6(12) 16838-16846.