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Issue 13, 2017
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Au-nanoparticles-decorated Sb2S3 nanowire-based flexible ultraviolet/visible photodetectors

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One-dimensional semiconductor nanostructures are excellent candidates for high-performance photodetectors due to their unique physical properties: large surface area and high-density surface-dangling bonds and surface states. We fabricated flexible ultraviolet/visible photodetectors with Au-nanoparticles-decorated Sb2S3 nanowires. As-fabricated flexible devices exhibited excellent photoresponse properties, including high responsivity (59.5 A W−1) and specific detectivity (4.29 × 1010 Jones) as well as good stability and reproducibility. The greatly improved photoresponse properties of Au-nanoparticles-decorated Sb2S3 nanowires were caused by the formation of Schottky junctions between Au nanoparticles and Sb2S3 nanowires, which enhanced the spatial electron–hole separation effect. The method used here may be extended to other metal nanoparticles-decorated semiconductor nanowires, and as-fabricated flexible devices may find application in next-generation flexible optoelectronic devices.

Graphical abstract: Au-nanoparticles-decorated Sb2S3 nanowire-based flexible ultraviolet/visible photodetectors

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The article was received on 15 Feb 2017, accepted on 03 Mar 2017 and first published on 04 Mar 2017

Article type: Paper
DOI: 10.1039/C7TC00696A
Citation: J. Mater. Chem. C, 2017,5, 3330-3335
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    Au-nanoparticles-decorated Sb2S3 nanowire-based flexible ultraviolet/visible photodetectors

    K. Zhang, T. Luo, H. Chen, Z. Lou and G. Shen, J. Mater. Chem. C, 2017, 5, 3330
    DOI: 10.1039/C7TC00696A

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