Photocatalytic properties of layered hydrous titanium oxide/CdS-ZnS nanocomposites incorporating CdS-ZnS into the interlayer

Tsugio Sato, Katsuhiko Masaki, Ken Ichi Sato, Yoshinobu Fujishiro, Akitsugu Okuwaki

    Research output: Contribution to journalArticlepeer-review

    70 Citations (Scopus)

    Abstract

    H2Ti4O9/Cd0.8Zn0.2S nanocomposites incorporating Cd0.8Zn0.2S particles, less than 1 nm in thickness, were fabricated by the chemical reaction between a Cd2+-Zn2+ mixture and H2S in the interlayer of H2Ti4O9. H2Ti4O9/Cd0.8Zn0.2S nanocomposites were capable of efficient hydrogen evolution following irradiation with visible light in the presence of Na2S as a sacrificial donor. The hydrogen production activity of the H2Ti4O9/Cd0.8Zn0.2S nanocomposite was superior to those of unsupported Cd,.,Zn,.,S and the mixture of H2Ti4O9 and Cd0.8Zn0.2S. The hydrogen production was enhanced by doping Pt together with Cd0.8Zn0.2S in the interlayer, but was depressed by depositing Pt on the outer surface of the H2Ti4O9/Cd0.8Zn0.2S nanocomposite.

    Original languageEnglish
    Pages (from-to)339-344
    Number of pages6
    JournalJournal of Chemical Technology and Biotechnology
    Volume67
    Issue number4
    DOIs
    Publication statusPublished - 1996 Dec

    Keywords

    • Cadmium sulphide
    • Intercalation
    • Layered titanate
    • Photocatalyst
    • Zinc sulphide

    ASJC Scopus subject areas

    • Biotechnology
    • Chemical Engineering(all)
    • Renewable Energy, Sustainability and the Environment
    • Fuel Technology
    • Waste Management and Disposal
    • Pollution
    • Organic Chemistry
    • Inorganic Chemistry

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