期刊
MATERIALS RESEARCH BULLETIN
卷 112, 期 -, 页码 147-153出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2018.12.020
关键词
Nanocomposites; Semiconductors; CuInS2@ZIF-8; Photocatalytic properties
资金
- Natural Science Foundation of China [21806029, 51572068, 51772075]
- Foundation of Department of Education of Hebei Province [QN2018023]
- Open Funds of Key Laboratory of Jiangxi University for Functional Materials Chemistry from Gannan Normal University [FMC17303]
- Natural Science Foundation of Hebei Province [E201620212]
- Hundred Talents Program of Hebei Province [E2014100011]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT: IRT13060]
Inspired by the unique structure and wide applications of zeolitic imidazolate frameworks-8 (ZIF-8) and CuInS2 (CIS), considerable attention has focused on the combination of both materials. We herein report a facial method for the homogeneous decoration of ZIF-8 onto the surfaces of CuInS2 (CIS) nanoparticles coordinated by polyvinyl pyrrolidone (PVP) in methanol. It has been shown that the coordination of PVP plays a key role in inducing the nucleation of ZIF-8 on the surface of CIS nanoparticles because of the pyrrolidone rings (C = 0) in PVP offering an improved affinity between CIS and Zn ions. Performing as a catalyst, the CIS@ZIF-8 nanocomposites not only exhibit high photocatalytic activity for the degradation of organic dye under UV light irradiation, but also largely maintain their catalytic efficiency after being recycled for five times compared with that of pure CIS nanoparticles.
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