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Preparation and Photocatalytic Properties of Ordered Mesoporous ZnS Nanorods Loading on Graphene Composite

ZENG Bin;LIU Wanfeng;ZENG Wujun;College of Mechanical Engineering,Hunan University of Arts and Science;Hunan Collaborative Innovation Center for Construction and Development of Dongting Lake Ecological Economic Zone;  
The composite of ordered mesoporous ZnS nanorods loading on graphene was prepared by microwave-assisted heating.The microscopic morphology and phase composition of the composite were studied;the effect of graphene oxide content(0-15 wt%)and microwave heating power(320-800 W)and time(0-80 min)on microscopic morphology and photocatalytic performance was analyzed;the formation mechanism of the composite,and the relation between micromorphology and photocatalytic performance were discussed.The results show that the composite consisted of flake graphene and rodlike ZnS,and ordered mesoporus ZnS nanorods distributed on the surface of graphene evenly.The increase of graphene oxide content was favorable for dispersion of ZnS nanorods.The formation of ZnS nanorods was promoted with the increase of microwave heating power and time.The photocatalytic performance of the composite was the best when the microwave heating time was 60 min,microwave heating power was 640 W,and the content of graphene oxide was 10 wt%.
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