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Rose-like CuS microflowers and their enhanced visible-light photocatalytic performance

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Abstract

Surfactant-free rose-like copper sulfide (CuS) microflowers were prepared by a simple one-pot solvothermal method in N,N-dimethylformamide (DMF). Large-scale rose-like products with uniform morphology can be obtained when the reaction time was 60 min. When polyvinylpyrrolidone (PVP) was added as a surfactant, rose-like CuS microflowers cannot be obtained while CuS microspheres or multiplates can be achieved with different mole ratios of sulfur and copper ions. The growth mechanism of the rose-like CuS microflowers was proposed. The low-viscosity DMF is believed to play an important role in the formation of the rose-like microflowers which were self-assembled by nanosheets. It was found that these rose-like CuS microflowers have enhanced photocatalytic behaviors in decoloring organic dyes compared with the CuS microspheres and multiplates because of their mesoporous structure, high optical absorption in the visible-light region and large specific surface area.

Graphical abstract: Rose-like CuS microflowers and their enhanced visible-light photocatalytic performance

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Publication details

The article was received on 29 May 2018, accepted on 20 Sep 2018 and first published on 21 Sep 2018


Article type: Paper
DOI: 10.1039/C8CE00888D
Citation: CrystEngComm, 2018, Advance Article
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    Rose-like CuS microflowers and their enhanced visible-light photocatalytic performance

    L. Zhao, L. Zhou, C. Sun, Y. Gu, W. Wen and X. Fang, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE00888D

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