ZnO/Cu₂S/ZnO Multilayer Films: Structure Optimization and Its Detail Data for Applications on Photoelectric and Photocatalytic Properties

Zhenxing Wang; Feng Xu; He Wang; Hai-Ning Cui; Haishui Wang

doi:10.3390/ma10010037

ZnO/Cu₂S/ZnO Multilayer Films: Structure Optimization and Its Detail Data for Applications on Photoelectric and Photocatalytic Properties

Materials (Basel). 2017 Jan 5;10(1):37. doi: 10.3390/ma10010037.

Authors

Zhenxing Wang^{1

2}, Feng Xu^{3

4}, He Wang^{5

6}, Hai-Ning Cui^{7

8}, Haishui Wang⁹

Affiliations

¹ Department of Optical Information Science and Technology, College of Physics and College of Zhaoqing, Jilin University, Zhaoqing 526061, China. yimingtongtian@163.com.
² Department of Optical Information Science and Technology, College of Electronic Science and Engineering, Jilin University, Changchun 130021, China. yimingtongtian@163.com.
³ Department of Optical Information Science and Technology, College of Physics and College of Zhaoqing, Jilin University, Zhaoqing 526061, China. xufeng_jlu@126.com.
⁴ Department of Optical Information Science and Technology, College of Electronic Science and Engineering, Jilin University, Changchun 130021, China. xufeng_jlu@126.com.
⁵ Department of Optical Information Science and Technology, College of Physics and College of Zhaoqing, Jilin University, Zhaoqing 526061, China. whe15@mails.jlu.edu.cn.
⁶ Department of Optical Information Science and Technology, College of Electronic Science and Engineering, Jilin University, Changchun 130021, China. whe15@mails.jlu.edu.cn.
⁷ Department of Optical Information Science and Technology, College of Physics and College of Zhaoqing, Jilin University, Zhaoqing 526061, China. cuihn@jlu.edu.cn.
⁸ Department of Optical Information Science and Technology, College of Electronic Science and Engineering, Jilin University, Changchun 130021, China. cuihn@jlu.edu.cn.
⁹ Department of Applied Chemistry, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China. wanghsh@scut.edu.cn.

Abstract

Monolayer Cu₂S and ZnO, and three kinds of complex films, Cu₂S/ZnO, ZnO/Cu₂S, and ZnO/Cu₂S/ZnO, were deposited on glass substrates by means of radio frequency (RF) magnetron sputtering device. The impact of the thickness of ZnO and Cu₂S on the whole transmittance, conductivity, and photocatalysis was investigated. The optical and electrical properties of the multilayer were studied by optical spectrometry and four point probes. Numerical simulation of the optical transmittance of the multilayer films has been carried out in order to guide the experimental work. The comprehensive performances of the multilayers as transparent conductive coatings were compared using the figure of merit. Compared with monolithic Cu₂S and ZnO films, both the optical transmission property and photocatalytic performance of complex films such as Cu₂S/ZnO and ZnO/Cu₂S/ZnO change significantly.

Keywords: electrochemical properties; multilayer; optical properties; sputtering; thin films.