Simple and environmentally-friendly synthesis of graphene–CdS hierarchical nanospheres and their photocatalytic performance
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Synergistic combination of graphene and CdS hierarchical nanospheres results in significant enhancement of photocatalytic properties. In this work, environment-friendly graphene–CdS hierarchical nanospheres (G–CdS HN) were synthesized. The morphology, crystalline phases, and photocatalytic applications of G–CdS HN were studied in detail. G–CdS HN demonstrated excellent photocatalytic activity under visible light irradiation. The growth mechanism of CdS hierarchical nanospheres was also studied. This simple and environmental-friendly method can be extended to prepare other graphene-based metal chalcogenide nanocomposites for a wide range of applications.
This work was supported by the Natural Science Foundation of China (NSFC, No. 50972043), the Construct Program of the Key Discipline in Hunan Province and Project of the Natural Science Foundation of Hunan Province (2017JJ2191), General Project of Hunan Provincial Education Department (14C0793).
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