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Issue 14, 2015
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Heterostructures of CuS nanoparticle/ZnO nanorod arrays on carbon fibers with improved visible and solar light photocatalytic properties

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Abstract

CuS nanoparticle/ZnO nanorod heterostructure arrays grown on carbon fibers (CuS/ZnO/CFs) were prepared successfully by a simple combination of a hydrothermal (HT) process and successive ionic layer adsorption and reaction (SILAR). The heterostructures of CuS/ZnO/CFs showed improved photocatalytic activity in the degradation of methylene blue (MB). Under visible light irradiation, the CuS/ZnO/CF heterostructures exhibited remarkable visible light photocatalytic activity, which was 7.1 and 8.0 times higher than those of ZnO/CFs and ZnO, respectively. Under simulated solar light irradiation, the photocatalytic activity of the CuS/ZnO/CF heterostructures was 1.4 and 2.2 times higher than those of ZnO/CFs and ZnO, respectively. The enhanced photocatalytic activity could be ascribed to the effective electron–hole separation and improved visible light utilization from the cooperative effect of the type II CuS/ZnO heterostructures and conductive CFs, as well as the efficient light harvesting and high surface area of the heterostructure arrays. Moreover, the CuS/ZnO/CF heterostructures can be easily separated and recycled with little loss in the photocatalytic activity due to their unique structural features.

Graphical abstract: Heterostructures of CuS nanoparticle/ZnO nanorod arrays on carbon fibers with improved visible and solar light photocatalytic properties

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Supplementary files

Article information


Submitted
23 Jan 2015
Accepted
23 Feb 2015
First published
23 Feb 2015

J. Mater. Chem. A, 2015,3, 7304-7313
Article type
Paper

Heterostructures of CuS nanoparticle/ZnO nanorod arrays on carbon fibers with improved visible and solar light photocatalytic properties

W. Zhang, Y. Sun, Z. Xiao, W. Li, B. Li, X. Huang, X. Liu and J. Hu, J. Mater. Chem. A, 2015, 3, 7304
DOI: 10.1039/C5TA00560D

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