Efficient enhancement of photocatalytic hydrogen evolution of CdS nanorods by Nano-CuO

被引：53

作者：

Wang, Jinhua ^{[1
]}

Zhu, Qiong ^{[1
]}

Liao, Yunwen ^{[1
]}

Fu, Hongquan ^{[1
]}

Chang, Jinming ^{[1
]}

Zhang, Yuling ^{[1
]}

Kan, Taotao ^{[2
]}

Gao, Hejun ^{[1
,3
]}

Huang, Wenchao ^{[4
]}

机构：

[1] China West Normal Univ, Coll Chem & Chem Engn, Nanchong 637000, Peoples R China

[2] CNOOC Ener Tech Oilfield Chem Co Ltd, Tianjin 300452, Peoples R China

[3] China West Normal Univ, Inst Appl Chem, Nanchong 637000, Peoples R China

[4] Chongqing Univ Technol, Coll Mat Sci & Engn, Chongqing 400054, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 883卷

关键词：

Photocatalytic; Hydrogen evolution; CuO; CdS; Nanocomposites; H-2; EVOLUTION; HETEROSTRUCTURE; NANOPARTICLES; PERFORMANCE; SEPARATION; PLANET;

D O I：

10.1016/j.jallcom.2021.160832

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nano-CuO have been grown on the surface of CdS nanorods by a simple solution-phase reaction, which greatly enhanced the hydrogen evolution ability of CdS. The physical chemistry properties of CuO/CdS nanocomposites were investigated by XRD, SEM, TEM, BET, XPS and electrochemical methods. The mor-phology and crystal structure of CdS were not influenced by the loading of Nano-CuO. And it was helpful to delay the time of electron recombination to the hole, and greatly improved the hydrogen evolution performance of CdS. When the loading of Nano-CuO was 1 wt%, the photocatalytic performance of CdS increases from 105 mu mol g(-1) h(-1) to 3317.5 mu mol g(-1) h(-1). After several cycles, the structure of CuO/CdS nanocomposites was not changed, and Nano-CuO could effectively prevent the photo-corrosion defects of CdS. This work provides a new way to improve the hydrogen evolution performance of CdS by growing nano-oxide on CdS surface. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：8

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