[36] T. Takashima, S. Hemmi, Q. Liu, H. Irie, “Facet-Dependent Activity of Hematite Nanocrystals toward Oxygen Evolution Reaction”, Catal. Sci. Technol., In press.
[35] T. Takashima, K. Ishikawa, H. Irie, “Induction of Concerted Proton-Coupled Electron Transfer during Oxygen Evolution on Hematite Using Lanthanum Oxide as a Solid Proton Acceptor”, ACS Catal., 2019, 9, 9212.
[34] J. Osaki, M. Yoda, T. Takashima, H. Irie, “Selective Loading of Platinum or Silver Cocatalyst onto a Hydrogen-Evolution Photocatalyst in a Silver-Mediated All Solid-State Z-Scheme System for Enhanced Overall Water Splitting”, RSC Adv., 2019, 9, 41913.
[33] S. Higuchi, T. Takashima, J. Osaki, H. Irie, “Zinc Rhodium Oxide and Its Possibility as a Constituent Photocatalyst for Carbon Dioxide Reduction using Water as an Electron Source”, Catal. Today, 2019, 335, 402.
[32] T. Takashima, N. Moriyama, Y. Fujishiro, J. Osaki, S. Takeuchi, B. Ohtani, H. Irie, “Visible-Light-Induced Water Splitting on Hierarchically Constructed Z-Scheme Photocatalyst Composed of Zinc Rhodium Oxide and Bismuth Vanadate”, J. Mater. Chem. A, 2019, 7, 10372.
[31] T. Takashima, T. Suzuki, H. Irie, “Electrochemical Reduction of Carbon Dioxide to Formate on Palladium-Copper Alloy Nanoparticulate Electrode”, Electrochemistry, 2019, 87, 134.
[30] T. Takashima, T. Sano, H. Irie, “Cocatalyst Modification of Niobium-Substituted Silver Tantalate Photocatalyst for Enhanced Solar Water-Splitting Activity”, Int. J. Hydrogen Energy, 2019, 44, 23600.
[29] K. Kamijyo, T. Takashima, M. Yoda, J. Osaki, H. Irie, “Facile Synthesis of a Red Light-Inducible Overall Water-Splitting Photocatalyst using Gold as a Solid-State Electron Mediator”, Chem. Commun., 2018, 54, 7999.
[28] A. Yamaguchi, T. Takashima, K. Hashimoto, R. Nakamura, “Design of Metal-to-Metal Charge-Transfer
Chromophores for Visible-Light Activation of Oxygen-Evolving Mn Oxide Catalysts
in a Polymer Film”, Chem. Mater., 2017, 29, 7234.
[27] H. Ooka, A. Yamaguchi, T. Takashima, K. Hashimoto, R. Nakamura, “Efficiency of Oxygen Evolution on Iridium Oxide Determined from the pH Dependence of Charge Accumulation”, J. Phys. Chem. C, 2017, 121, 17873.
[26]H. Ooka, T. Takashima, A. Yamaguchi, T. Hayashi, R. Nakamura, “Element Strategy of Oxygen Evolution Electrocatalysis Based on In-situ Spectroelectrochemistry”, Chem. Commun.,
2017, 53, 7149. (Feature article)
[25] T. Takashima, K. Ishikawa, H. Irie, “Enhancement of Oxygen Evolution Activity of Ruddlesden-Popper-Type Strontium Ferrite by Stabilizing Fe4+”,
J. Mater. Sci. Emg., 2017, 5, 45.
[24] Y. Hara, T. Takashima, R. Kobayashi, S. Abeyrathna, B. Ohtani, H. Irie,
“Silver-inserted heterojunction photocatalyst consisting of zincrhodium oxide and silver antimony oxide for overall pure-watersplitting under visible light”,
Appl. Catal. B, 2017, 209, 663-668.
[23] T. Takashima, T. Suzuki, H. Irie,
“Electrochemical Carbon Dioxide Reduction on Copper-Modified Palladium Nanoparticles Synthesized by Underpotential Deposition”,
Electrochim. Acta, 2017, 229, 415-421.

[22] S. Tanigawa, T. Takashima, H. Irie,
“Enhanced Visible-Light-Sensitive Two-Step Overall Water-Splitting Based on Band Structure Controls of Titanium Dioxide and Strontium Titanate”,
J. Mater. Sci. Emg., 2017, 5, 129-141.
[21] 髙嶋敏宏, 山口晃, 橋本和仁, 中村龍平
“Mn酸化物の特異な電気化学的挙動から見えてきた高活性酸素発生触媒の創製への指針”,
Electrochemistry, 2017, 85, 34-39.
[20] T. Takashima, K. Ishikawa, H. Irie,
“Efficient Oxygen Evolution on Hematite at Neutral pH Enabled by Proton-Coupled Electron Transfer”,
Chem. Commun., 2016, 52, 14015-14018.

[19] T. Takashima, K. Ishikawa, H. Irie,
“Detection of Intermediate Species in Oxygen Evolution on Hematite Electrodes Using Spectroelectrochemical Measurements”,
J. Phys. Chem. C, 2016, 120, 24827-24834.

[18] T. Takashima, T. Sano, H. Irie,
“Improvement of Photocatalytic Water Splitting of AgTaO3 by Photodeposited Pt and Co-oxide Nanoclusters”,
Electrochemistry, 2016, 84, 784-788.
[17] R. Kobayashi, T. Takashima, S. Tanigawa, S. Takeuchi, B. Ohtani, H. Irie ,
“A heterojunction photocatalyst composed of zinc rhodium oxide, single crystal-derived bismuth vanadium oxide, and silver for overall pure-water splitting under visible light up to 740 nm”,
Phys. Chem. Chem. Phys., 2016, 18, 27754-27760. (Cover paper)

[16] T. Takashima, T. Suzuki, H. Irie,
“Acceleration of Electrocatalytic CO2 Reduction by Adding Proton-Coupled Electron Transfer Inducing Compounds”,
J. Photonics Energy, 2016, 7, 012005.
[15] R. Kobayashi, K. Kurihara, T. Takashima, B. Ohtani, H. Irie ,
“Silver-Inserted Zinc Rhodium Oxide and Bismuth Vanadium Oxide Heterojunction Photocatalyst for Overall Pure-Water Splitting under Red Light”,
J. Mater. Chem. A, 2016, 4, 3061-3067.
[14] T. Takashima, Y. Hotori, H. Irie,
“Development of optically transparent water oxidation catalysts using manganese pyrophosphate compounds”, J. Photchem. Photobiol. B,
2015. 152, 139-145.
[13] M. Yoshimizu, R. Kobayashi, M. Saegusa, T. Takashima, H. Funakubo, K. Akiyama, Y. Matsumoto, H. Irie,
“Photocatalytic Hydrogen Evolution over β-Iron Silicide under Infrared-Light Irradiation”, Chem. Commun., 2015, 51, 2818-2820.
[12] R. Kobayashi, S. Tanigawa, T. Takashima, B. Ohtani, H. Irie,
“Silver-Inserted Hetero-Junction Photocatalysts for Z-Scheme Overall Pure-Water Splitting under Visible-Light Irradiation”, J. Phys. Chem. C, 2014, 118, 22450-22456.
[11] A. Yamaguchi, R. Inuzuka, T. Takashima, T. Hayashi, K. Hashimoto, R. Nakamura,
“Regulating Proton-Coupled Electron Transfer for Efficient Water Splitting by Manganese Oxides at Neutral pH”, Nat. Commun., 2014, 5, 4256.
[10] T. Takashima, A. Yamaguchi, K. Hashimoto, H. Irie, R. Nakamura,
“In situ UV-vis Absorption Spectra of Intermediate Species for Oxygen-Evolution Reaction on the Surface of MnO2 in Neutral and Alkaline Media”, Electrochemistry, 2014, 82, 325-327.
[9] T. Takashima, K. Ishikawa, H. Irie,
“Thermal Activation of Sr3Fe2O7 Electrocatalysts for Water Oxidation at Neutral pH”,
ECS Trans., 2014, 61, 35-41.
[8] T. Takashima, K. Hashimoto, R. Nakamura,
“Inhibition of Charge Disproportionation of MnO2 Electrocatalysts for Efficient Water Oxidation under Neutral Conditions”,
J. Am. Chem. Soc., 2012, 134, 18153-18156.
[7] T. Takashima, A. Yamaguchi, K. Hashimoto, R. Nakamura,
“Multielectron-transfer reactions at single Cu(II) centers embedded in polyoxotungstates driven by photo-induced metal-to-metal charge transfer from anchored Ce(III) to framework W(VI)”,
Chem. Commun., 2012, 2964-2966.
[6] T. Takashima, K. Hashimoto, R. Nakamura,
“Mechanisms of pH-Dependent Activity for Water Oxidation to Molecular Oxygen by MnO2 Electrocatalysts”, J. Am. Chem. Soc., 2012, 134, 1519-1527.
[5] 中村龍平、髙嶋敏宏、橋本和仁、
“酸化物ナノクラスターを利用した人工光合成材料の開発”,
太陽エネルギー, 2012, 37, 17-22.
[4] T. Takashima, R. Nakamura, K. Hashimoto,
“Visible-Light-Absorbing Lindqvist-Type Polyoxometalates as Building Blocks for All-Inorganic Photosynthetic Assemblies”,
Electrochemistry, 2011, 79, 783-786.
[3] R. Nakamura, T. Takashima, S. Kato, K. Takai, M. Yamamoto, K. Hashimoto,
“Electrical Current Generation across a Black Smoker Chimney”,
Angew. Chem. Inter. Ed., 2010, 49, 7692-7694. (Hot paper)
[2] R. Nakamura, A. Okamoto, N. Tajima, G. J. Newton, F. Kai, T. Takashima, K. Hashimoto,
“Biological Iron-Monosulfide Production for Efficient Electricity Harvesting from a Deep-Sea Metal-Reducing Bacteriumm”,
ChemBioChem, 2010, 11, 643-645. (Cover paper)
[1] T. Takashima, R. Nakamura, K. Hashimoto,
“Visible Light Sensitive Metal Oxide Nanocluster Photocatalysts: Photo-Induced Charge Transfer from Ce(III) to Keggin-Type Polyoxotungstates”,
J. Phys. Chem. C, 2009, 113, 17247-17253.