Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering
Cu<sub>3</sub>N/MoS<sub>2</sub> composite films were prepared by magnetron sputtering under different preparation parameter, and their photocatalytic properties were investigated. Results showed that the composite films surface was uniform and had no evident cracks. When the...
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doaj-2642b58417124a0a9270a1ad8aca11842020-11-25T02:33:37ZengMDPI AGCoatings2079-64122020-01-011017910.3390/coatings10010079coatings10010079Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron SputteringLiwen Zhu0Chenyang Gong1Jianrong Xiao2Zhiyong Wang3College of Science, Guilin University of Technology, Guilin 541004, ChinaCollege of Science, Guilin University of Technology, Guilin 541004, ChinaCollege of Science, Guilin University of Technology, Guilin 541004, ChinaCollege of Science, Guilin University of Technology, Guilin 541004, ChinaCu<sub>3</sub>N/MoS<sub>2</sub> composite films were prepared by magnetron sputtering under different preparation parameter, and their photocatalytic properties were investigated. Results showed that the composite films surface was uniform and had no evident cracks. When the sputtering power of MoS<sub>2</sub> increased from 2 W to 8 W, the photocatalytic performance of the composite films showed a trend of increasing first and then decreasing. Among these films, the composite films with MoS<sub>2</sub> sputtering power of 4 W showed the best photocatalytic degradation performance. The photocatalytic degradation rate of methyl orange at 30 min was 98.3%, because the MoS<sub>2</sub> crystal in the films preferentially grew over the Cu<sub>3</sub>N crystal, thereby affecting the growth of the Cu<sub>3</sub>N crystal. The crystallinity of the copper nitride also increased. During photocatalytic degradation, the proper amount of MoS<sub>2</sub> reduced the band gap of Cu<sub>3</sub>N, and the photogenerated electron hole pairs were easily separated. Thus, the films produces additional photogenerated electrons and promotes the degradation reaction of the composite films on methyl orange solution.https://www.mdpi.com/2079-6412/10/1/79cu<sub>3</sub>n/mos<sub>2</sub> composite filmsphotocatalysismagnetron sputteringmethyl orange |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Liwen Zhu Chenyang Gong Jianrong Xiao Zhiyong Wang |
spellingShingle |
Liwen Zhu Chenyang Gong Jianrong Xiao Zhiyong Wang Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering Coatings cu<sub>3</sub>n/mos<sub>2</sub> composite films photocatalysis magnetron sputtering methyl orange |
author_facet |
Liwen Zhu Chenyang Gong Jianrong Xiao Zhiyong Wang |
author_sort |
Liwen Zhu |
title |
Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering |
title_short |
Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering |
title_full |
Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering |
title_fullStr |
Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering |
title_full_unstemmed |
Photocatalytic Properties of Copper Nitride/Molybdenum Disulfide Composite Films Prepared by Magnetron Sputtering |
title_sort |
photocatalytic properties of copper nitride/molybdenum disulfide composite films prepared by magnetron sputtering |
publisher |
MDPI AG |
series |
Coatings |
issn |
2079-6412 |
publishDate |
2020-01-01 |
description |
Cu<sub>3</sub>N/MoS<sub>2</sub> composite films were prepared by magnetron sputtering under different preparation parameter, and their photocatalytic properties were investigated. Results showed that the composite films surface was uniform and had no evident cracks. When the sputtering power of MoS<sub>2</sub> increased from 2 W to 8 W, the photocatalytic performance of the composite films showed a trend of increasing first and then decreasing. Among these films, the composite films with MoS<sub>2</sub> sputtering power of 4 W showed the best photocatalytic degradation performance. The photocatalytic degradation rate of methyl orange at 30 min was 98.3%, because the MoS<sub>2</sub> crystal in the films preferentially grew over the Cu<sub>3</sub>N crystal, thereby affecting the growth of the Cu<sub>3</sub>N crystal. The crystallinity of the copper nitride also increased. During photocatalytic degradation, the proper amount of MoS<sub>2</sub> reduced the band gap of Cu<sub>3</sub>N, and the photogenerated electron hole pairs were easily separated. Thus, the films produces additional photogenerated electrons and promotes the degradation reaction of the composite films on methyl orange solution. |
topic |
cu<sub>3</sub>n/mos<sub>2</sub> composite films photocatalysis magnetron sputtering methyl orange |
url |
https://www.mdpi.com/2079-6412/10/1/79 |
work_keys_str_mv |
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