journal article·2021-12-27

Visible-Light-Induced CO2 Reduction by Mixed-Valence Tin Oxide

Yang-Shin Liu, Akira Yamaguchi, Yue Yang, Hideki Abe, Shigenori Ueda, Toyokazu Tanabe, Masahiro Miyauchi

ACS Applied Energy Materials· Volume 4· Issue 12
Publisher page

Abstract

Photocatalytic carbon dioxide (CO2) reduction has been attracting considerable interest. However, the major problems with its application are that it is limited by the solar energy utilization efficiency and catalytic selectivity of CO2 reduction in water. In this study, we observed the reduction of CO2 in aqueous solution to carbon monoxide (CO) catalyzed by hydrothermally synthesized pristine tin oxide (Sn3O4) under visible-light irradiation (λ > 430 nm). The detected CO generation rate remained stable for 72 h. Because Sn3O4 is visible-light active, capable of driving CO2 reduction, environmentally benign, and stable, we believe that it is a promising photocatalyst worthy of further examination.
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Research context

OpenAlex topics: Advanced Photocatalysis Techniques · Catalytic Processes in Materials Science · CO2 Reduction Techniques and Catalysts

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan

Center for Green Research on Energy and Environmental Materials, National Institute for Materials Science, 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan

Synchrotron X-ray Station at SPring-8, National Institute for Materials Science, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan

Research Center for Advanced Measurement and Characterization, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan

Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan

Department of Materials Science and Engineering, National Defense Academy, 1-10-20, Hashirimizu, Yokosuka, Kanagawa 239-0811, Japan

Funding

Strategic International Collaborative Research Program · Japan Society for the Promotion of Science · Mitsubishi Materials Corporation

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