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Published in: Journal of Nanoparticle Research 11/2022

01-11-2022 | Research paper

CuS nanoparticle–decorated TiO2 nanobelts with enhanced electrocatalytic and photocatalytic properties

Authors: Fang Zhou, Zhiguang Zhang, Qiang Wang, Guifeng Yu, Shuli Yuan

Published in: Journal of Nanoparticle Research | Issue 11/2022

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Abstract

TiO2 nanobelts were decorated with CuS nanoparticles to construct TiO2@CuS heterostructure though a simple hydrothermal method. The performance of electrocatalysis has been investigated by hydrogen evolution reaction. The overpotential (259 mV) and Tafel slope (102 mV∙dec−1) of TC11 are obviously lower than of all other samples. And the photodegradation efficiency of TC11 is 1.3 times that of pure TiO2 and 8.3 times that of pure CuS. The interface of CuS and TiO2 can provide matched energy levels and built-in electric field to improve separation efficiency of photogenerated electron–hole pairs and charge transfer efficiency. And the surface of TiO2@CuS can provide more active sites for catalysis. Therefore, the heterostructure construction of CuS and TiO2 can significantly enhance the performances of bi-catalysis: electrocatalysis and photocatalysis. The simple method is a beneficial attempt in the field of renewable clean energy and environmental purification.

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Appendix
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Literature
17.
go back to reference Jiang Y, Zhang M, Xin Y, Chai C, Chen Q (2019) Construction of immobilized CuS/TiO 2 nanobelts heterojunction photocatalyst for photocatalytic degradation of enrofloxacin: synthesis, characterization, influencing factors and mechanism insight. J Chem Technol Biotechnol 94:2219–2228. https://​doi.​org/​10.​1002/​jctb6006 CrossRef Jiang Y, Zhang M, Xin Y, Chai C, Chen Q (2019) Construction of immobilized CuS/TiO 2 nanobelts heterojunction photocatalyst for photocatalytic degradation of enrofloxacin: synthesis, characterization, influencing factors and mechanism insight. J Chem Technol Biotechnol 94:2219–2228. https://​doi.​org/​10.​1002/​jctb6006 CrossRef
Metadata
Title
CuS nanoparticle–decorated TiO2 nanobelts with enhanced electrocatalytic and photocatalytic properties
Authors
Fang Zhou
Zhiguang Zhang
Qiang Wang
Guifeng Yu
Shuli Yuan
Publication date
01-11-2022
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 11/2022
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-022-05602-4

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