Journal
CRYSTENGCOMM
Volume 17, Issue 45, Pages 8720-8727Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ce01747e
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Funding
- National Natural Science Foundation of China [51272070, 21371053, 21376065]
- Natural Science Foundation of Heilongjiang Province of China [E201455]
- Postdoctoral Science-Research Developmental Foundation of Heilongjiang province [LBH-Q13136]
- Scientific Research Fund of Heilongjiang Provincial Education Department [12531502]
- Technological Innovation Talents in Harbin City [2015RAQXJ003]
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In this study, hierarchical nanoflower superstructures composed of In2S3 nanosheets grown on a Bi2S3 nanoflower backbone (denoted as Bi2S3\In2S3) are fabricated by a facile one-step solvothermal route based on different growth rates of two kinds of sulphides. The Bi2S3 nanoflowers were first formed due to a quick growth rate, which serves as the substrate for the growth of In2S3 ultra-thin nanosheets with a relatively slow reaction rate to form a hierarchical Bi2S3\In2S3 composite superstructure. The introduction of In2S3 nanosheets on the surface of the Bi2S3 nanoflower can not only increase visible-light response, but also remarkably promote the photogenerated charge transport and separation driven by the heterojunction. Because of their marked synergistic effects, the as-prepared hierarchical Bi2S3 nanoflower\In2S3 nanosheet superstructures exhibit significant visible-light photocatalytic activity and stability for the degradation of 2,4-dichlorophenol.
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