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Constructing 3D flower-like hierarchical ZnO/SnS2 heterojunction by decorating SnS2 nanosheets with ZnO nanoclusters as synergistic photocatalyst

Authors
  • Zhou, You
  • Sun, Yong
  • Feng, Juan
  • Li, Xinghua
Type
Published Article
Journal
Applied Physics Express
Publisher
Japan Society of Applied Physics
Publication Date
Jun 14, 2022
Volume
15
Issue
7
Identifiers
DOI: 10.35848/1882-0786/ac75ac
Source
ioppublishing
Keywords
Disciplines
  • Semiconductors, dielectrics, and organic materials
License
Unknown

Abstract

Flower-like ZnO/SnS2 heterojunction was constructed as photocatalyst. The heterojunction shows hierarchical architecture structure, in which SnS2 nanosheets are uniformly decorated by ZnO nanoclusters. Compared to SnS2, the ZnO/SnS2 heterojunction displays improved photocatalytic efficiency for degradation of organic dye MB and hydrogen evolution. ZnO/SnS2 heterojunction reveals an optimal hydrogen production rate of 346.1 μmol h−1 g−1, about 2.7 times higher than SnS2. The boosting photocatalytic performance is ascribed to the special hierarchical structure and synergetic effect of ZnO/SnS2 heterojunction, which can enhance the specific surface area and promote the separation of photogenerated electron–hole pairs.

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