Search Results - "Hiroshi Irie"

Conduction Band Energy Level Control of Titanium Dioxide: Toward an Efficient Visible-Light-Sensitive Photocatalyst by Yu, Huogen, Irie, Hiroshi, Hashimoto, Kazuhito

“…Through the use of a strategy that involves narrowing the TiO2 band gap by shifting its conduction band positively and utilizing the catalytic activity of…”
Get full text

Efficient visible light-sensitive photocatalysts: Grafting Cu(II) ions onto TiO2 and WO3 photocatalysts by Irie, Hiroshi, Miura, Shuhei, Kamiya, Kazuhide, Hashimoto, Kazuhito

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

Visible-Light-Sensitive Photocatalysts: Nanocluster-Grafted Titanium Dioxide for Indoor Environmental Remediation by Miyauchi, Masahiro, Irie, Hiroshi, Liu, Min, Qiu, Xiaoqing, Yu, Huogen, Sunada, Kayano, Hashimoto, Kazuhito

“…Photocatalytic degradation of organic compounds requires photoexcited holes with strong oxidative power in the valence band (VB) of semiconductors. Although…”
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

Quantum transport evidence of Weyl fermions in an epitaxial ferromagnetic oxide by Takiguchi, Kosuke, Wakabayashi, Yuki K., Irie, Hiroshi, Krockenberger, Yoshiharu, Otsuka, Takuma, Sawada, Hiroshi, Nikolaev, Sergey A., Das, Hena, Tanaka, Masaaki, Taniyasu, Yoshitaka, Yamamoto, Hideki

“…Magnetic Weyl semimetals have novel transport phenomena related to pairs of Weyl nodes in the band structure. Although the existence of Weyl fermions is…”
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

An Efficient Visible-Light-Sensitive Fe(III)-Grafted TiO2 Photocatalyst by Yu, Huogen, Irie, Hiroshi, Shimodaira, Yoshiki, Hosogi, Yasuhiro, Kuroda, Yasushi, Miyauchi, Masahiro, Hashimoto, Kazuhito

“…We have prepared a TiO2-based novel visible-light-sensitive photocatalyst, in which Fe(III) species were grafted on a rutile TiO2 surface (denoted as…”
Get full text

Nitrogen-Doped Titanium Dioxide as Visible-Light-Sensitive Photocatalyst: Designs, Developments, and Prospects by Asahi, Ryoji, Morikawa, Takeshi, Irie, Hiroshi, Ohwaki, Takeshi

Get full text

Visible-Light-Driven Cu(II)−(Sr1−y Na y )(Ti1−x Mo x )O3 Photocatalysts Based on Conduction Band Control and Surface Ion Modification by Qiu, Xiaoqing, Miyauchi, Masahiro, Yu, Huogen, Irie, Hiroshi, Hashimoto, Kazuhito

“…Band-gap narrowing is generally considered to be a primary method in the design of visible-light-active photocatalysts because it can decrease the photo…”
Get full text

Carbon-doped Anatase TiO2 Powders as a Visible-light Sensitive Photocatalyst by Irie, Hiroshi, Watanabe, Yuka, Hashimoto, Kazuhito

“…Carbon-doped TiO2 powders in an anatase phase colored yellow were fabricated by oxidative annealing of TiC. Carbons were located at oxygen sites. The carbon…”
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

Design of All-Inorganic Molecular-Based Photocatalysts Sensitive to Visible Light:  Ti(IV)−O−Ce(III) Bimetallic Assemblies on Mesoporous Silica by Nakamura, Ryuhei, Okamoto, Akihiro, Osawa, Hitoshi, Irie, Hiroshi, Hashimoto, Kazuhito

“…The first photocatalysis operated by the visible-light induced metal-to-metal charge transfer (MMCT) has been demonstrated for the Ti(IV)/Ce(III) bimetallic…”
Get full text

Ag+- and Pb2+-Doped SrTiO3 Photocatalysts. A Correlation Between Band Structure and Photocatalytic Activity by Irie, Hiroshi, Maruyama, Yoshihiko, Hashimoto, Kazuhito

“…We have prepared the two series of yellowish (Pb x Sr1- x )TiO3 (x = 0.01−0.3) and (Ag y Sr1- y )(Ti1- y Nb y )O3 (y = 0.03−0.1) powders. The UV−vis absorption…”
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

Suppression of Inflammatory Reactions by Terpinen-4-ol, a Main Constituent of Tea Tree Oil, in a Murine Model of Oral Candidiasis and Its Suppressive Activity to Cytokine Production of Macrophages in Vitro by Ninomiya, Kentaro, Hayama, Kazumi, Ishijima, Sanae A., Maruyama, Naho, Irie, Hiroshi, Kurihara, Junichi, Abe, Shigeru

“…The onset of oral candidiasis is accompanied by inflammatory symptoms such as pain in the tongue, edema or tissue damage and lowers the quality of life (QOL)…”
Get full text

Coexistence of Ferroelectricity and Ferromagnetism in a Rubidium Manganese Hexacyanoferrate by Ohkoshi, Shin-ichi, Tokoro, Hiroko, Matsuda, Tomoyuki, Takahashi, Hitomi, Irie, Hiroshi, Hashimoto, Kazuhito

“…Multiferroic material: RbI0.82MnII0.20MnIII0.80[FeII(CN)6]0.80[FeIII(CN)6]0.14⋅H2O (see picture; MnII red octahedra, FeIII red spheres, MnIII blue octahedra,…”
Get full text