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Issue 3, 2014
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One-pot synthesis of CdS–reduced graphene oxide 3D composites with enhanced photocatalytic properties

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Abstract

Nest-like CdS–reduced graphene oxide (CdS–rGO) composites were prepared through a one-pot solvothermal method in which ethylenediamine was used to reduce GO and control the morphology of the CdS, and L-cysteine was used as the sulfur source, reducing agent, and linker between the CdS and rGO. By examining the morphology, structure, and composition of the composites, it could be found that the nest-like CdS particles were decorated on the rGO sheet, and the addition of GO did not influence the crystal structure and shape of the nest-like CdS. Compared with pure CdS, the as-prepared CdS–rGO composites showed enhanced visible light absorption, extended surface area, and facilitated separation of photogenerated charges. Hence, the CdS–rGO composites exhibited improved photocatalytic activity and excellent photostability for the degradation of rhodamine B under visible light irradiation. By combining the good properties of rGO and three-dimensional structured CdS microparticles, the strategy presented in this study is expected to be useful in preparing highly efficient graphene–semiconductor composites for potential applications in various fields.

Graphical abstract: One-pot synthesis of CdS–reduced graphene oxide 3D composites with enhanced photocatalytic properties

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Publication details

The article was received on 08 Sep 2013, accepted on 09 Oct 2013 and first published on 15 Oct 2013


Article type: Paper
DOI: 10.1039/C3CE41807C
Citation: CrystEngComm, 2014,16, 399-405
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    One-pot synthesis of CdS–reduced graphene oxide 3D composites with enhanced photocatalytic properties

    J. Wang, S. Liang, L. Ma, S. Ding, X. Yu, L. Zhou and Q. Wang, CrystEngComm, 2014, 16, 399
    DOI: 10.1039/C3CE41807C

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