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Issue 110, 2014
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In situ synthesis of hierarchical In2S3–graphene nanocomposite photocatalyst for selective oxidation

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Abstract

We report a simple, in situ hydrothermal way to fabricate In2S3–graphene (GR) nanocomposites in which hierarchical In2S3 “petals” spread over the surface of GR sheets in virtue of the “structure directing” role of graphene oxide (GO) as the precursor of GR in a solution phase. With the addition of an appropriate amount of GO, the hierarchical petal-like In2S3 structures have been successfully grown on the two-dimensional (2D) GR “mat”. The as-synthesized In2S3–GR nanocomposites featuring good interfacial contact exhibit much higher photocatalytic activity toward selective oxidation of alcohols under visible light irradiation than blank In2S3. A series of characterization results disclose that the significantly enhanced photocatalytic performance of In2S3–GR nanocomposites can be ascribed to the integrative effect of the increased separation and transfer efficiency of photogenerated electron–hole pairs and the larger surface area. This work highlights the wide scope of fabricating GR-based semiconductor nanocomposites with specific architectural morphology by rationally utilizing the “structure directing” property of GO and extending their applications toward photocatalytic selective transformations.

Graphical abstract: In situ synthesis of hierarchical In2S3–graphene nanocomposite photocatalyst for selective oxidation

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Publication details

The article was received on 30 Sep 2014, accepted on 14 Nov 2014 and first published on 14 Nov 2014


Article type: Paper
DOI: 10.1039/C4RA13764G
Citation: RSC Adv., 2014,4, 64484-64493
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    In situ synthesis of hierarchical In2S3–graphene nanocomposite photocatalyst for selective oxidation

    X. Li, B. Weng, N. Zhang and Y. Xu, RSC Adv., 2014, 4, 64484
    DOI: 10.1039/C4RA13764G

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