DataVXACS Applied Energy MaterialsPaper
journal article·2018-12-24

Visible-Light Overall Water Splitting by CdS/WO3/CdWO4 Tricomposite Photocatalyst Suppressing Photocorrosion

Haruki Nagakawa, Tsuyoshi Ochiai, Seiji Konuma, Morio Nagata

ACS Applied Energy Materials· Volume 1· Issue 12
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Source abstract

Abstract

Photocatalytic water splitting under visible light has attracted attention as a possible solution to the energy exhaustion problem. Hitherto, water splitting has been generally achieved using several oxynitrides, oxysulfides, and nitrides, and only a few studies report water splitting using cadmium sulfide (CdS) as a photocatalyst. A major reason for this is that CdS undergoes photocorrosion. In this study, we achieved an overall water splitting under visible light using a CdS/WO3/CdWO4 tricomposite photocatalyst. In the process, photocorrosion of CdS was suppressed by covering it with WO3 and CdWO4, and the oxidation reaction progressed in WO3 by the Z-scheme type photocatalytic reaction.
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Research context

Catalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Advanced biosensing and bioanalysis techniques · Advanced Nanomaterials in Catalysis

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

Affiliations

Department of Industrial Chemistry, Graduate School of Engineering, Tokyo University of Science, 12-1 Ichigayafunagawara-cho, Shinjuku-ku, Tokyo 162-0826, Japan

Photocatalyst Group, Research and Development Department, Local Independent Administrative Agency Kanagawa Institute of industrial Science and TEChnology (KISTEC), Kanagawa 213-0012, Japan

Materials Analysis Group, Kawasaki Technical Support Department, KISTEC, Kanagawa 213-0012, Japan

Photocatalysis International Research Center, Tokyo University of Science, Chiba 278-8510, Japan

Nanostructure Analysis Group, Kawasaki Technical Support Department, KISTEC, Kanagawa 213-0012, Japan

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