Hollow CdS–ZnS–ZIF‑8 Polyhedron for Visible Light-Induced Cr(VI) Reduction

By loading a small amount of cadmium acetate dihydrate on the zeolitic imidazolate framework-8 (ZIF-8), a hollow CdS–ZnS–ZIF-8 composite was facilely synthesized by rapid solid-phase grinding with thioacetamide. The evolution of the structure, composition, and photoelectrochemical properties was stu...

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Bibliographic Details
Published in:Inorganic chemistry 2023-01, Vol.62 (2), p.1047-1053
Main Authors: Wang, Jiao, Li, Xuejie, Zhang, Bentian, Bai, Lei
Format: Article
Language:English
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Summary:By loading a small amount of cadmium acetate dihydrate on the zeolitic imidazolate framework-8 (ZIF-8), a hollow CdS–ZnS–ZIF-8 composite was facilely synthesized by rapid solid-phase grinding with thioacetamide. The evolution of the structure, composition, and photoelectrochemical properties was studied by a series of methods. When it was used as a photocatalyst, the hollow CdS–ZnS–ZIF-8 composite demonstrated a highly visible light response as well as a robust ability and reusability for Cr­(VI) reduction, which could be ascribed to the hollow structure and ultrasmall CdS nanoparticles. Notably, the presence of ZIF-8-S (ZIF-8 ground with thioacetamide) could also obviously enhance the stability of CdS by promoting the separation of the photogenerated charge during light irradiation.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.2c04038