Enhanced photocatalytic hydrogen evolution under visible light over Cd1-xZnxS solid solution with cubic zinc blend phase

Lu Wang, Wenzhong Wang, Meng Shang, Wenzong Yin, Songmei Sun, Ling Zhang

    Research output: Contribution to journalArticlepeer-review

    200 Citations (Scopus)

    Abstract

    A series of Cd1-xZnxS solid solutions were synthesized at 80 °C with the assistance of sodium dodecylsulfate. The structures, optical properties and morphologies of the solid solutions have been studied by X-ray diffraction, UV-vis diffuse reflectance spectroscopy, and transmission electron microscopy. The photocatalytic H2 evolution over the solid solutions under visible-light irradiation was investigated and the highest rate reached 2640 μmol h-1 g-1 even without any co-catalysts. The solid solution with optimum performance exhibited cubic structure rather than previously-reported hexagonal one and the possible reasons were discussed. Moreover, the effects of sacrificial reagents on the photocatalytic H2 evolution were explored by using Na2S solution with different concentration.

    Original languageEnglish
    Pages (from-to)19-25
    Number of pages7
    JournalInternational Journal of Hydrogen Energy
    Volume35
    Issue number1
    DOIs
    Publication statusPublished - Jan 2010

    All Science Journal Classification (ASJC) codes

    • Renewable Energy, Sustainability and the Environment
    • Fuel Technology
    • Condensed Matter Physics
    • Energy Engineering and Power Technology

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