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One-pot calcination synthesis of Cd_(0.5)Zn_(0.5)S/g-C_(3)N_(4) photocatalyst with a step-scheme heterojunction structure 被引量:8
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作者 dongran qin Yang Xia +2 位作者 qin Li Chao Yang Yanmin qin 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2020年第21期206-215,共10页
Cd_(0.5)Zn_(0.5)S/g-C_(3)N_(4)(CZS/CN)step-like heterojunction composites were facilely synthesized by annealing a sandwich of cadmium-zinc-thiourea precursors in one pot.The types of the used raw materials and the pr... Cd_(0.5)Zn_(0.5)S/g-C_(3)N_(4)(CZS/CN)step-like heterojunction composites were facilely synthesized by annealing a sandwich of cadmium-zinc-thiourea precursors in one pot.The types of the used raw materials and the preparation procedure were simplified as much as possible in this work.The obtained hybrid exhibited enlarged specific surface area and higher separation/transfer efficiency of charge carriers compared to pure Cd_(0.5)Zn_(0.5)S and g–C_(3)N_(4),thus exhibited much enhanced photocatalytic efficiency for dye degradation under visible-light irradiation.The interfacial charge-transfer mechanism of the formed step-scheme(Sscheme)heterojunction between Cd_(0.5)Zn_(0.5)S and g–C_(3)N_(4) were carefully investigated and discussed.This work could widen the application prospect of the Cd_(x)Zn_(1-x)S/g-C_(3)N_(4) composite and provide new ideas to the design and fabrication of novel heterojunctions with robust photocatalytic performance. 展开更多
关键词 Cd_(0.5)Zn_(0.5)S g-C_(3)N_(4) S-scheme heterojunction Photocatalysis Visible light
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