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Issue 21, 2015
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1D CdS nanowire–2D BiVO4 nanosheet heterostructures toward photocatalytic selective fine-chemical synthesis

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Abstract

One-dimensional (1D) CdS nanowire (NW)–two-dimensional (2D) BiVO4 nanosheet (NS) heterostructures (CdS–BiVO4 1D/2D HSs) have been fabricated toward visible-light driven selective fine-chemical synthesis in water under controlled reaction conditions. Good interfacial contact in the heterostructures is achieved through a simple and efficient electrostatic self-assembly synthetic methodology, which is afforded by the substantial attraction between two materials with opposite surface charge. These 1D/2D interfacial heterostructures are able to facilitate charge separation and transport between 1D CdS NWs and 2D BiVO4 NSs. Characterization results indicate that the markedly enhanced photocatalytic activity of CdS–BiVO4 1D/2D HSs is attributed to the introduction of 2D BiVO4 NSs, which serve as favourable receptors for efficient separation of photo-generated charge carriers excited from 1D CdS NWs. This work is expected to stimulate an increasing interest in coupling semiconductor photocatalysts with dissimilar dimensionalities for various applications in solar energy conversion.

Graphical abstract: 1D CdS nanowire–2D BiVO4 nanosheet heterostructures toward photocatalytic selective fine-chemical synthesis

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Publication details

The article was received on 15 Dec 2014, accepted on 28 Jan 2015 and first published on 28 Jan 2015


Article type: Paper
DOI: 10.1039/C4RA16397D
Citation: RSC Adv., 2015,5, 16476-16483
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    1D CdS nanowire–2D BiVO4 nanosheet heterostructures toward photocatalytic selective fine-chemical synthesis

    B. Han, S. Liu, Y. Xu and Z. Tang, RSC Adv., 2015, 5, 16476
    DOI: 10.1039/C4RA16397D

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