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Ni2P/ZnS (CdS) core/shell composites with their photocatalytic performance

Published online by Cambridge University Press:  13 August 2018

Shuling Liu ,
Yueyan Wang ,
Lanbing Ma  and
Hongzhe Zhang
Shuling Liu*
Affiliation:
College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi 710021, People’s Republic of China; and Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi’an 710021, China
Yueyan Wang
Affiliation:
College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi 710021, People’s Republic of China; and Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi’an 710021, China
Lanbing Ma
Affiliation:
College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi 710021, People’s Republic of China; and Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi’an 710021, China
Hongzhe Zhang
Affiliation:
College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi 710021, People’s Republic of China; and Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi’an 710021, China
*
a)Address all correspondence to this author. e-mail: shulingliu@aliyun.com
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Abstract

Ni2P/ZnS and Ni2P/CdS core/shell composites were synthesized using a simple two-step route at a low temperature. We used X-ray powder diffraction, scanning electron microscopy, energy dispersive spectroscopy, and so on to characterize their composition, structure, and morphology. The characterized results show that Ni2P/ZnS and Ni2P/CdS core/shell composites consist of Ni2P microsphere core and ZnS (or CdS) nanostructure shell, and CdS nanorods and ZnS nanoparticles are deposited on the surface of Ni2P microspheres, respectively. Then choosing methylene blue (MB) as a typical organic dye, the photocatalytic degradation activities of Ni2P/ZnS and Ni2P/CdS are investigated, which exhibit a good photocatalytic activity. When the concentration of MB solution is 1 × 10−5 mol/L and the mass of the added photocatalyst is 0.05 g, it is found that two composites have enhanced photocatalytic degradation ratios (89 and 78%) compared to that of Ni2P microsphere (65%), which might be due to the effective separation of photogenerated electron-hole pairs.

Keywords

Ni2P/ZnSNi2P/CdScomposite materialsphotocatalytic degradation
Type
Article
Information
Journal of Materials Research , Volume 33 , Issue 21: Focus Issue: Catalytic Engineered Materials for Commercial and Industrial Energy Applications , 14 November 2018 , pp. 3580 - 3588
Copyright
Copyright © Materials Research Society 2018 

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