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Stabilizing and Improving Solar H2 Generation from Zn(0.5)Cd(0.5)S Nanorods@MoS2/RGO Hybrids via Dual Charge Transfer
Shuai Nan Guo1, Yu Lin Min1, Jin Chen Fan1
1Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering, Shanghai University of Electric Power , Shanghai 200090, China.
Abstract:
The incorporated Zn(0.5)Cd(0.5)S (ZCS) nanorods with MoS2/RGO cocatalysts by a simultaneous reduction reaction was reported. The preparation of RGO and formation of MoS2 with intimate interfacial contact with ZCS were achieved. Through the optimizing of each component proportion, the ZCS@MoS2/RGO hybrid with 1.5 wt % MoS2 and 3 wt % RGO showed the highest photocatalytic H2 production activity (2.31 mmol/h) with long time stability (50 h). The relative mechanism has been investigated. It is believed that the stabilizing and improving solar H2 generation is originating from dual charge transfer pathway from excited ZCS to RGO, then to MoS2 due to intimate interfacial structure.
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