Synthesis and photocatalytic property of Cu 2 CoSnS 4 nanocrystals with stannite and wurtzite structure

Micro & nano letters

article

Hao Guan¹  Xiao Ma¹  Jia Zhao¹ 

[1] School of Materials Science and Engineering, Yancheng Institute of Technology

关键词: wide band gap semiconductors;    scanning electron microscopy;    Raman spectra;    transmission electron microscopy;    photoluminescence;    ultraviolet spectra;    visible spectra;    semiconductor growth;    nanoparticles;    copper compounds;    nanofabrication;    X-ray diffraction;    cobalt compounds;    tin compounds;    photocatalysis;    photocatalysts;    CCTS nanocrystals;    stannite structure;    wurtzite structure;    pure CCTS phases;    photocatalytic property;    solvothermal approach;    X-ray diffraction;    Raman spectroscopy;    scanning electron microscopy;    nanosheets thickness;    irregular nanoparticles;    photoluminescence spectroscopy;    UV-visible spectroscopy;    optical properties;    methylene blue degradation;    visible light irradiation;    time 100.0 min;    Cu2CoSnS4;   

DOI  :  10.1049/mnl.2019.0583

学科分类：计算机科学（综合）

来源: Wiley

【 摘 要 】

Stannite and wurtzite Cu 2 CoSnS 4 (CCTS) nanocrystals are successfully prepared via a solvothermal approach. X-ray diffraction and Raman spectroscopy reveal that pure CCTS phases with stannite and wurtzite structure are obtained. Scanning electron microscopy shows that CCTS nanocrystals with stannite structure are composed of nanosheets with the thickness of about 50 nm while CCTS nanocrystals with wurtzite structure exhibit large number of irregular nanoparticles. Furthermore, photoluminescence (PL) spectroscopy and UV–Vis spectroscopy are used to investigate optical and photocatalytic properties of CCTS nanocrystals. When CCTS nanocrystals with stannite and wurtzite structure are used as photocatalysts, the degradation of methylene blue can reach up to 72 and 53%, respectively, within 100 min under visible-light irradiation, which are suitable for effective visible-light photocatalysts.

【 授权许可】

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