Search Results - "Toshihiro Takashima"

Inhibition of Charge Disproportionation of MnO2 Electrocatalysts for Efficient Water Oxidation under Neutral Conditions by Takashima, Toshihiro, Hashimoto, Kazuhito, Nakamura, Ryuhei

“…The development of Mn-oxide electrocatalysts for the oxidation of H2O to O2 has been the subject of intensive researches not only for their importance as…”
Get full text

Silver cocatalyst-concentration dependence of overall water splitting performance over silver-inserted solid-state heterojunction photocatalyst composed of zinc rhodium oxide and bismuth vanadium oxide by Irie, Hiroshi, Yoda, Masaomi, Takashima, Toshihiro, Osaki, Junya

“…[Display omitted] •We succeeded in selectively succeeded loading Ag onto ZnRh2O4 as a cocatalyst.•The photocatalyst is a solid-state Ag-inserted ZnRh2O4 and…”
Get full text

Electrochemical carbon dioxide reduction on copper-modified palladium nanoparticles synthesized by underpotential deposition by Takashima, Toshihiro, Suzuki, Tomohiro, Irie, Hiroshi

“…[Display omitted] For the efficient and stable electrochemical reduction of carbon dioxide (CO2), we fabricated bimetallic catalysts composed of palladium (Pd)…”
Get full text

Regulating proton-coupled electron transfer for efficient water splitting by manganese oxides at neutral pH by Yamaguchi, Akira, Inuzuka, Riko, Takashima, Toshihiro, Hayashi, Toru, Hashimoto, Kazuhito, Nakamura, Ryuhei

“…Manganese oxides have been extensively investigated as model systems for the oxygen-evolving complex of photosystem II. However, most bioinspired catalysts are…”
Get full text

Induction of Concerted Proton-Coupled Electron Transfer during Oxygen Evolution on Hematite Using Lanthanum Oxide as a Solid Proton Acceptor by Takashima, Toshihiro, Ishikawa, Koki, Irie, Hiroshi

“…The utilization of a support material has been an effective method for the management of proton transfer on catalytic active centers. Previous studies showed…”
Get full text

Cocatalyst modification of niobium-substituted silver tantalate photocatalyst for enhanced solar water-splitting activity by Takashima, Toshihiro, Sano, Tsugeru, Irie, Hiroshi

“…As a photocatalyst for solar water splitting, niobium-substituted silver tantalate (AgTa0.7Nb0.3O3) modified with platinum (Pt) and cobalt phosphate (Co–Pi)…”
Get full text

Silver-Inserted Heterojunction Photocatalysts for Z‑Scheme Overall Pure-Water Splitting under Visible-Light Irradiation by Kobayashi, Ryoya, Tanigawa, Satoshi, Takashima, Toshihiro, Ohtani, Bunsho, Irie, Hiroshi

“…Overall pure-water splitting under visible-light irradiation was accomplished utilizing a solid-state heterojunction photocatalyst following the Z-scheme…”
Get full text

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 by Osaki, Junya, Yoda, Masaomi, Takashima, Toshihiro, Irie, Hiroshi

“…We selectively loaded a hydrogen (H 2 )-evolution cocatalyst, either platinum (Pt) or silver (Ag), onto a H 2 -evolution photocatalyst, zinc rhodium oxide…”
Get full text

Efficiency of Oxygen Evolution on Iridium Oxide Determined from the pH Dependence of Charge Accumulation by Ooka, Hideshi, Yamaguchi, Akira, Takashima, Toshihiro, Hashimoto, Kazuhito, Nakamura, Ryuhei

“…The oxygen evolution reaction (OER; 2H2O → O2 + 4H+ + 4e–) is being intensively studied to generate fossil fuel-independent energy carriers. As 4d/5d rare…”
Get full text

Noble Metal Modification of CdS-Covered CuInS2 Electrodes for Improved Photoelectrochemical Activity and Stability by Toshihiro Takashima, Yukitaka Fujishiro, Hiroshi Irie

“…In this paper, efficient and stable photoelectrochemical (PEC) hydrogen (H2) evolution using copper indium sulfide (CuInS2) thin film electrodes was studied…”
Get full text

Silver-inserted heterojunction photocatalyst consisting of zinc rhodium oxide and silver antimony oxide for overall pure-water splitting under visible light by Hara, Yoshiki, Takashima, Toshihiro, Kobayashi, Ryoya, Abeyrathna, Sameera, Ohtani, Bunsho, Irie, Hiroshi

“…[Display omitted] •We established a hetero-junction photocatalyst for overall pure-water splitting.•The photocatalyst is a solid-state Ag-inserted ZnRh2O4…”
Get full text

Wavelength-Dependent Selective Acceleration of CO2 Reduction and H2 Evolution Using a Plasmonic Gold Nanorod Electrode by Takashima, Toshihiro, Kitta, Koya, Irie, Hiroshi

“…A plasmonic electrode shows localized surface plasmon resonance (LSPR) at an intended wavelength based on the design of its nanostructure, and LSPR excitation…”
Get full text

Development of optically transparent water oxidation catalysts using manganese pyrophosphate compounds by Takashima, Toshihiro, Hotori, Yuki, Irie, Hiroshi

“…[Display omitted] •Optically transparent manganese pyrophosphates function as O2 evolution catalysts.•By using CaMnP2O7, O2 evolution proceeded with a low…”
Get full text

Visible Light Sensitive Metal Oxide Nanocluster Photocatalysts: Photo-Induced Charge Transfer from Ce(III) to Keggin-Type Polyoxotungstates by Takashima, Toshihiro, Nakamura, Ryuhei, Hashimoto, Kazuhito

“…Anchored visible light-absorbing metal oxide nanoclusters, consisting of trivalent cerium ions and Keggin-type polyoxotungstates (PW12O40 3− and CuIIPW11O39…”
Get full text

Biological Iron-Monosulfide Production for Efficient Electricity Harvesting from a Deep-Sea Metal-Reducing Bacterium by Nakamura, Ryuhei, Okamoto, Akihiro, Tajima, Nozomi, Newton, Greg J, Kai, Fumiyoshi, Takashima, Toshihiro, Hashimoto, Kazuhito

“…FeS source: A metal‐reducing bacterium, Shewanella loihica PV‐4, has evolved the ability to utilize Fe 3d electrons from biogenic FeS as a long‐distance…”
Get full text

Mechanisms of pH-Dependent Activity for Water Oxidation to Molecular Oxygen by MnO2 Electrocatalysts by Takashima, Toshihiro, Hashimoto, Kazuhito, Nakamura, Ryuhei

“…Manganese oxides function as efficient electrocatalysts for water oxidation to molecular oxygen in strongly alkaline conditions, but are inefficient at neutral…”
Get full text

Mechanisms of pH-Dependent Activity for Water Oxidation to Molecular Oxygen by MnO 2 Electrocatalysts by Takashima, Toshihiro, Hashimoto, Kazuhito, Nakamura, Ryuhei

Get full text

Inhibition of Charge Disproportionation of MnO 2 Electrocatalysts for Efficient Water Oxidation under Neutral Conditions by Takashima, Toshihiro, Hashimoto, Kazuhito, Nakamura, Ryuhei

Get full text

Detection of Intermediate Species in Oxygen Evolution on Hematite Electrodes Using Spectroelectrochemical Measurements by Takashima, Toshihiro, Ishikawa, Koki, Irie, Hiroshi

“…The development of active oxygen evolution catalysts based on understanding of the underlying reaction mechanisms is the key to achieving efficient…”
Get full text

Zinc rhodium oxide and its possibility as a constituent photocatalyst for carbon dioxide reduction using water as an electron source by Higuchi, Shota, Takashima, Toshihiro, Osaki, Junya, Irie, Hiroshi

“…ZnRh2O4 and a composite of ZnRh2O4 and Bi4V2O11 inserted with Au as a CO2 reduction photocatalyst with TEOA and H2O as an electron donor, respectively…”
Get full text