Graphitic-C3N4/ZnCr-layered double hydroxide 2D/2D nanosheet heterojunction: Mesoporous photocatalyst for advanced oxidation of azo dyes with in situ produced H2O2

Azin Khamesan, Mohammad Mehdi Esfahani,Jahan B. Ghasemi,Faezeh Farzin,Anita Parsaei-Khomami,Mitra Mousavi

Advanced Powder Technology（2022）

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摘要

•High performance GCN-ns/ZC-LDH nanocomposites were fabricated.•The GCN-ns/ZC-LDH3 nanocomposite possessed excellent RhB degradation efficiency.•In situ H2O2 generation increases the photocatalytic ability of the GCN-ns/ZC-LDH3.•Different analysis confirmed the construction of heterojunction in the composite.•The possible mechanism based on step-scheme junction was proposed and discussed.

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关键词

Graphitic-C3N4/ZnCr- Layered double hydroxide,2D-2D nanosheets,Heterogeneous photocatalysis,H2O2 production,Dye degradation,S-scheme heterojunction

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