1
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Irie H, Yoda M, Miyashita H, Hanada R, Takashima T, Kuroiwa H. Near-infrared light-inducible Z-scheme overall water-splitting photocatalyst without an electron mediator. Chem Commun (Camb) 2023; 59:11057-11060. [PMID: 37603379 DOI: 10.1039/d3cc03156j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
We facilely prepared a solid-state heterojunction photocatalyst in which silver vanadium oxide (Ag2V4O11) and zinc rhodium oxide (ZnRh2O4) as oxygen and hydrogen evolution photocatalysts, respectively, were directly connected to generate Ag2V4O11/ZnRh2O4. Ag2V4O11/ZnRh2O4 photocatalyzed overall pure-water splitting without any electron mediator under irradiation with near-infrared light at wavelengths of up to 910 nm. The key points are that the conduction bottom potential of Ag2V4O11 is almost the same as the valence band top potential of ZnRh2O4, and that the bandgaps of Ag2V4O11 and ZnRh2O4 are 1.4 and 1.2 eV, respectively.
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Affiliation(s)
- Hiroshi Irie
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
- Clean Energy Research Center, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan
| | - Masaomi Yoda
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
| | - Hiroshi Miyashita
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
| | - Ryo Hanada
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
| | - Toshihiro Takashima
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
- Clean Energy Research Center, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan
| | - Haruna Kuroiwa
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
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2
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Akiyama K, Nojima S, Ito Y, Ushiyama M, Okuda T, Irie H. Synthesis of a Gold-Inserted Iron Disilicide and Rutile Titanium Dioxide Heterojunction Photocatalyst via the Vapor-Liquid-Solid Method and Its Water-Splitting Reaction. ACS OMEGA 2022; 7:38744-38751. [PMID: 36340073 PMCID: PMC9631897 DOI: 10.1021/acsomega.2c04360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 09/22/2022] [Indexed: 06/06/2023]
Abstract
A solid-state Z-scheme system is constructed whereby rutile titania (TiO2) and beta-iron disilicide (β-FeSi2) were combined to act as oxygen (O2)- and hydrogen (H2)-evolution photocatalysts, respectively, connected by gold (Au). β-FeSi2 island grains with diameters in the 0.5-2 μm range were formed on the surface of Au-coated TiO2 powder by the co-sputtering method. On the surface of TiO2 powder, the Au-Si liquidus phase was obtained via a Au-Si eutectic reaction, which contributed to the selective deposition and crystallization of β-FeSi2 island grains onto Au. After the loading of the H2-evolution cocatalysts platinum and chromium oxide onto β-FeSi2, the system obtained catalyzed the evolution of H2 and O2 in a stoichiometric ratio from pure water under ultraviolet light irradiation. The transfer of photoexcited electrons in the conduction band (CB) of β-FeSi2 to Pt causes the reduction of protons to H2, and the photogeneration of holes in the valence band (VB) of TiO2 causes the oxidation of water to O2. In addition, the photogenerated holes in the VB of β-FeSi2 and the photoexcited electrons in the CB of TiO2 combined with each other in the Au layer, affording the completion of the overall photocatalytic water-splitting.
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Affiliation(s)
- Kensuke Akiyama
- Kanagawa
Institute of Industrial Science and Technology, 705-1 Shimoizumi, Ebina, Kanagawa 243-0435, Japan
| | - Sakiko Nojima
- Kanagawa
Institute of Industrial Science and Technology, 705-1 Shimoizumi, Ebina, Kanagawa 243-0435, Japan
| | - Yuko Ito
- Kanagawa
Institute of Industrial Science and Technology, 705-1 Shimoizumi, Ebina, Kanagawa 243-0435, Japan
| | - Mikio Ushiyama
- Kanagawa
Institute of Industrial Science and Technology, 705-1 Shimoizumi, Ebina, Kanagawa 243-0435, Japan
| | - Tetsuya Okuda
- Kanagawa
Institute of Industrial Science and Technology, 705-1 Shimoizumi, Ebina, Kanagawa 243-0435, Japan
| | - Hiroshi Irie
- Clean
Energy Research Center, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan
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3
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Substitutionally rhodium(IV)-doped titania showing photocatalytic activity toward organics oxidation under visible-light irradiation. Catal Today 2021. [DOI: 10.1016/j.cattod.2021.06.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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4
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Abstract
The conversion of solar to chemical energy is one of the central processes considered in the emerging renewable energy economy. Hydrogen production from water splitting over particulate semiconductor catalysts has often been proposed as a simple and a cost-effective method for large-scale production. In this review, we summarize the basic concepts of the overall water splitting (in the absence of sacrificial agents) using particulate photocatalysts, with a focus on their synthetic methods and the role of the so-called “co-catalysts”. Then, a focus is then given on improving light absorption in which the Z-scheme concept and the overall system efficiency are discussed. A section on reactor design and cost of the overall technology is given, where the possibility of the different technologies to be deployed at a commercial scale and the considerable challenges ahead are discussed. To date, the highest reported efficiency of any of these systems is at least one order of magnitude lower than that deserving consideration for practical applications.
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5
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Ng B, Putri LK, Kong XY, Teh YW, Pasbakhsh P, Chai S. Z-Scheme Photocatalytic Systems for Solar Water Splitting. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1903171. [PMID: 32274312 PMCID: PMC7141076 DOI: 10.1002/advs.201903171] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/22/2019] [Indexed: 05/27/2023]
Abstract
As the world decides on the next giant step for the renewable energy revolution, scientists have begun to reinforce their headlong dives into the exploitation of solar energy. Hitherto, numerous attempts are made to imitate the natural photosynthesis of plants by converting solar energy into chemical fuels which resembles the "Z-scheme" process. A recreation of this system is witnessed in artificial Z-scheme photocatalytic water splitting to generate hydrogen (H2). This work outlines the recent significant implication of the Z-scheme system in photocatalytic water splitting, particularly in the role of electron mediator and the key factors that improve the photocatalytic performance. The Review begins with the fundamental rationales in Z-scheme water splitting, followed by a survey on the development roadmap of three different generations of Z-scheme system: 1) PS-A/D-PS (first generation), 2) PS-C-PS (second generation), and 3) PS-PS (third generation). Focus is also placed on the scaling up of the "leaf-to-tree" challenge of Z-scheme water splitting system, which is also known as Z-scheme photocatalyst sheet. A detailed investigation of the Z-scheme system for achieving H2 evolution from past to present accompanied with in-depth discussion on the key challenges in the area of Z-scheme photocatalytic water splitting are provided.
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Affiliation(s)
- Boon‐Junn Ng
- Multidisciplinary Platform of Advanced EngineeringChemical Engineering DisciplineSchool of EngineeringMonash UniversityJalan Lagoon Selatan47500Bandar SunwaySelangorMalaysia
| | - Lutfi Kurnianditia Putri
- Multidisciplinary Platform of Advanced EngineeringChemical Engineering DisciplineSchool of EngineeringMonash UniversityJalan Lagoon Selatan47500Bandar SunwaySelangorMalaysia
| | - Xin Ying Kong
- Multidisciplinary Platform of Advanced EngineeringChemical Engineering DisciplineSchool of EngineeringMonash UniversityJalan Lagoon Selatan47500Bandar SunwaySelangorMalaysia
| | - Yee Wen Teh
- Multidisciplinary Platform of Advanced EngineeringChemical Engineering DisciplineSchool of EngineeringMonash UniversityJalan Lagoon Selatan47500Bandar SunwaySelangorMalaysia
| | - Pooria Pasbakhsh
- Mechanical Engineering DisciplineSchool of EngineeringMonash UniversityJalan Lagoon Selatan47500Bandar SunwaySelangorMalaysia
| | - Siang‐Piao Chai
- Multidisciplinary Platform of Advanced EngineeringChemical Engineering DisciplineSchool of EngineeringMonash UniversityJalan Lagoon Selatan47500Bandar SunwaySelangorMalaysia
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6
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Fang X, Kalathil S, Reisner E. Semi-biological approaches to solar-to-chemical conversion. Chem Soc Rev 2020; 49:4926-4952. [DOI: 10.1039/c9cs00496c] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
This review provides an overview of the cross-disciplinary field of semi-artificial photosynthesis, which combines strengths of biocatalysis and artificial photosynthesis to develop new concepts and approaches for solar-to-chemical conversion.
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Affiliation(s)
- Xin Fang
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Shafeer Kalathil
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Erwin Reisner
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
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7
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Li H, Pan G, Ding M, Pei W, Zhang Z, Miao Y, Huo Y. Ultrasound‐Assisted Photo‐Reduction Synthesis of Ag/Bi
2
WO
6
Microspheres for Photocatalytic H
2
Evolution. ChemCatChem 2019. [DOI: 10.1002/cctc.201901799] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Huifan Li
- The Education Ministry Key Lab of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P. R. China
| | - Gaifang Pan
- The Education Ministry Key Lab of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P. R. China
| | - Mengna Ding
- The Education Ministry Key Lab of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P. R. China
| | - Wenkai Pei
- The Education Ministry Key Lab of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P. R. China
| | - Ziping Zhang
- The Education Ministry Key Lab of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P. R. China
| | - Yingchun Miao
- Faculty of Chemical and Environment SciencesQujing Normal University Qujing 655000 P. R. China
| | - Yuning Huo
- The Education Ministry Key Lab of Resource Chemistry Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P. R. China
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8
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Zinc rhodium oxide and its possibility as a constituent photocatalyst for carbon dioxide reduction using water as an electron source. Catal Today 2019. [DOI: 10.1016/j.cattod.2019.01.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Fan Y, Zhong J, Yang R, Zhu R, Tian F, Hu L, Chen Q. The Effect of the Morphology of BiVO
4
on Z‐scheme Photocatalyst of ZnIn
2
S
4
/RGO/BiVO
4
for Hydrogen Generation Under Visible Light. ChemistrySelect 2019. [DOI: 10.1002/slct.201902593] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yingying Fan
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
- International Joint Research Center for Persistent Toxic SubstancesHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
| | - Jian Zhong
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
- International Joint Research Center for Persistent Toxic SubstancesHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
| | - Ruijie Yang
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
- International Joint Research Center for Persistent Toxic SubstancesHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
| | - Rongshu Zhu
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
- International Joint Research Center for Persistent Toxic SubstancesHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
| | - Fei Tian
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
| | - Longjun Hu
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
- International Joint Research Center for Persistent Toxic SubstancesHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
| | - Qianqian Chen
- Shenzhen Key Laboratory of Organic Pollution Prevention and ControlEnvironmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
- International Joint Research Center for Persistent Toxic SubstancesHarbin Institute of Technology (Shenzhen) Shenzhen 518055 P. R. China
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10
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Hisatomi T, Domen K. Reaction systems for solar hydrogen production via water splitting with particulate semiconductor photocatalysts. Nat Catal 2019. [DOI: 10.1038/s41929-019-0242-6] [Citation(s) in RCA: 620] [Impact Index Per Article: 124.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Roy N, Suzuki N, Terashima C, Fujishima A. Recent Improvements in the Production of Solar Fuels: From CO2 Reduction to Water Splitting and Artificial Photosynthesis. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20180250] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nitish Roy
- Department of Chemistry, University of North Bengal, Raja Rammohunpur, Darjeeling, West Bengal-734013, India
| | - Norihiro Suzuki
- Photocatalysis International Research Center, Tokyo University of Science, 2641-Yamazki, Noda, Chiba 278-8510, Japan
| | - Chiaki Terashima
- Photocatalysis International Research Center, Tokyo University of Science, 2641-Yamazki, Noda, Chiba 278-8510, Japan
| | - Akira Fujishima
- Photocatalysis International Research Center, Tokyo University of Science, 2641-Yamazki, Noda, Chiba 278-8510, Japan
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12
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Osaki J, Yoda M, Takashima T, Irie H. 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; 9:41913-41917. [PMID: 35541622 PMCID: PMC9076511 DOI: 10.1039/c9ra09421k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 12/11/2019] [Indexed: 11/21/2022] Open
Abstract
Pt or Ag as a cocatalyst was selectively photo-deposited onto ZnRh2O4 in ZnRh2O4/Ag/Bi4V2O11 and resulted in the enhancement of the overall water-splitting activity of the photocatalyst.
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Affiliation(s)
- Junya Osaki
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Yamanashi 400-8511
- Japan
| | - Masaomi Yoda
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Yamanashi 400-8511
- Japan
| | - Toshihiro Takashima
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Yamanashi 400-8511
- Japan
| | - Hiroshi Irie
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Yamanashi 400-8511
- Japan
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13
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Abstract
Photocatalytic H2 generation via water splitting is increasingly gaining attention as a viable alternative for improving the performance of H2 production for solar energy conversion. Many methods were developed to enhance photocatalyst efficiency, primarily by modifying its morphology, crystallization, and electrical properties. Here, we summarize recent achievements in the synthesis and application of various photocatalysts. The rational design of novel photocatalysts was achieved using various strategies, and the applications of novel materials for H2 production are displayed herein. Meanwhile, the challenges and prospects for the future development of H2-producing photocatalysts are also summarized.
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14
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Fujine K, Sato Y, Nagai K, Abe T. Photoelectrochemical and photocatalytic investigation of the oxidative formation of H2 from a borane-ammonia complex using an organic p-n bilayer comprising a p-type cobalt phthalocyanine and an n-type perylene derivative. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.06.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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15
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Sun S, Hisatomi T, Wang Q, Chen S, Ma G, Liu J, Nandy S, Minegishi T, Katayama M, Domen K. Efficient Redox-Mediator-Free Z-Scheme Water Splitting Employing Oxysulfide Photocatalysts under Visible Light. ACS Catal 2018. [DOI: 10.1021/acscatal.7b03884] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Song Sun
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- National Synchrotron Radiation Laboratory, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230029, People’s Republic of China
| | - Takashi Hisatomi
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Qian Wang
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Shanshan Chen
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Guijun Ma
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Jingyuan Liu
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Swarnava Nandy
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Tsutomu Minegishi
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Masao Katayama
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazunari Domen
- Department
of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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16
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Hisatomi T, Yamamoto T, Wang Q, Nakanishi T, Higashi T, Katayama M, Minegishi T, Domen K. Particulate photocatalyst sheets based on non-oxide semiconductor materials for water splitting under visible light irradiation. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00860d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Photocatalyst sheets active in visible-light-driven water splitting, potentially under irradiation of up to 600 nm, are developed.
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Affiliation(s)
- Takashi Hisatomi
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Takahiro Yamamoto
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Qian Wang
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Takahiro Nakanishi
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Tomohiro Higashi
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Masao Katayama
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Tsutomu Minegishi
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Kazunari Domen
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
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17
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Kamijyo K, Takashima T, Yoda M, Osaki J, Irie H. Facile synthesis of a red light-inducible overall water-splitting photocatalyst using gold as a solid-state electron mediator. Chem Commun (Camb) 2018; 54:7999-8002. [DOI: 10.1039/c8cc02942c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have prepared a solid-state heterojunction photocatalyst, which can split pure water in nearly the entire range of visible light with wavelengths of up to 740 nm.
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Affiliation(s)
- Kento Kamijyo
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Kofu
- Japan
| | - Toshihiro Takashima
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Kofu
- Japan
| | - Masaomi Yoda
- Department of Applied Chemistry
- Faculty of Engineering
- University of Yamanashi
- Kofu
- Japan
| | - Junya Osaki
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Kofu
- Japan
| | - Hiroshi Irie
- Special Doctoral Program for Green Energy Conversion Science and Technology
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences
- University of Yamanashi
- Kofu
- Japan
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18
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Kawai Y, Nagai K, Abe T. A visible-light-induced photoelectrochemical water-splitting system featuring an organo-photocathode along with a tungsten oxide photoanode. RSC Adv 2017. [DOI: 10.1039/c7ra05272c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An extremely low-biased water-splitting reaction occurred in a system containing a WO3 photoanode and organo-photocathode.
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Affiliation(s)
- Yuto Kawai
- Department of Frontier Materials Chemistry
- Graduate School of Science and Technology
- Hirosaki University
- Hirosaki 036-8561
- Japan
| | - Keiji Nagai
- Laboratory for Chemistry and Life Science
- Institute of Innovative Research
- Tokyo Institute of Technology
- Yokohama 226-8503
- Japan
| | - Toshiyuki Abe
- Department of Frontier Materials Chemistry
- Graduate School of Science and Technology
- Hirosaki University
- Hirosaki 036-8561
- Japan
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