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Photoassisted fabrication of zinc indium oxide/oxysulfide composite for enhanced photocatalytic H2 evolution under visible-light irradiation.
Mei, Zongwei; Zhang, Ning; Ouyang, Shuxin; Zhang, Yuanjian; Kako, Tetsuya; Ye, Jinhua.
Affiliation
  • Mei Z; Department of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan; Research Unit for Environmental Remediation Materials,National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; International Center for Materials Nanoarchitectonic
  • Zhang N; Department of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan; Research Unit for Environmental Remediation Materials,National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; International Center for Materials Nanoarchitectonic
  • Ouyang S; International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; TU-NIMS Joint Research Center, School of Materials Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072
  • Zhang Y; International Center for Young Scientists (ICYS) and International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
  • Kako T; Department of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan; Research Unit for Environmental Remediation Materials,National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; International Center for Materials Nanoarchitectonic
  • Ye J; Department of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan; Research Unit for Environmental Remediation Materials,National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; International Center for Materials Nanoarchitectonic
Sci Technol Adv Mater ; 13(5): 055001, 2012 Oct.
Article in En | MEDLINE | ID: mdl-27877522
ABSTRACT
A photoassisted approach has been developed to synthesize a zinc indium oxide (Zn5In2O8)/oxysulfide composite through in situ sulfuration of vacancy-rich Zn5In2O8. It was found that vacancies have a considerable impact on the formation of the composite. The composite exhibited an increased photocatalytic H2 evolution activity under visible-light irradiation, which probably resulted from the enhanced ability to separate photoinduced electrons and holes. The H2 evolution rate over the composite was about 17 times higher when using vacancy-rich rather than conventional Zn5In2O8. This study provides a new method of improving the activity of photocatalysts.
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Full text: 1 Database: MEDLINE Language: En Year: 2012 Type: Article
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Full text: 1 Database: MEDLINE Language: En Year: 2012 Type: Article