Mace‐Shaped Cu 7 S 4  NW/ECF Composites for Photocatalytic Degradation of Antibiotics | Zendy

Cao Xiaoman | Zendy; Guan Yiyin | Zendy; Hu Yuhui | Zendy; Liu Wenjie | Zendy; Zuo Shixiang | Zendy; Yao Chao | Zendy; Wu Fengqin | Zendy

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Mace‐Shaped Cu 7 S 4 NW/ECF Composites for Photocatalytic Degradation of Antibiotics

Author(s) -

Cao Xiaoman,

Guan Yiyin,

Hu Yuhui,

Liu Wenjie,

Zuo Shixiang,

Yao Chao,

Wu Fengqin

Publication year - 2021

Publication title -

chemistryselect

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 34

ISSN - 2365-6549

DOI - 10.1002/slct.202101691

Subject(s) - photocatalysis , tetracycline hydrochloride , composite number , materials science , nanorod , degradation (telecommunications) , heterojunction , hydrothermal circulation , composite material , tetracycline , chemical engineering , nanotechnology , chemistry , catalysis , optoelectronics , organic chemistry , antibiotics , telecommunications , biochemistry , computer science , engineering

Firstly, Sb‐SnO 2 /potassium titanate (Sb‐SnO 2 / KTO) was fabricated by a sol‐gel method, it was named ECF. and then Cu 7 S 4 nanorod arrays were grown on the surface of ECF by a hydrothermal method (Cu 7 S 4 NW/ECF).This article discusses the preparation method of Cu 7 S 4 NW/ECF composite photocatalyst to solve the problem of degradation of tetracycline hydrochloride under visible light. It is found that Cu 7 S 4 NW/ECF composite materials can be successfully prepared when Cu : S=1 : 1, and the Cu 7 S 4 NW/ECF composite has stronger photocatalytic activity then others, The degradation efficiency of tetracycline hydrochloride (TCH) by the composite can reach 98 % after 2 h. which is mainly attributed to the fact that Cu 7 S 4 is a near‐infrared material, and a tight heterojunction can be formed between Cu 7 S 4 and ECF, which expands the light response range of the material to a certain extent. At the same time, the direct Z‐type mechanism of Cu 7 S 4 NW/ECF composite in the process of photocatalysis is proposed, which is conducive to the separation of electrons and holes. Therefore, the Cu 7 S 4 NW/ECF composite material can effectively degrade tetracycline hydrochloride.

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