Synergistic effect of CuO coupled with MoS2 for enhanced photodegradation of organic dyes under visible light

doi:10.1016/j.cjche.2023.06.017

中国化学工程学报 ›› 2023, Vol. 64 ›› Issue (12): 96-105.DOI: 10.1016/j.cjche.2023.06.017

• Full Length Article • 上一篇下一篇

Synergistic effect of CuO coupled with MoS₂ for enhanced photodegradation of organic dyes under visible light

Umsalama Abuelgasim Abubakr Yasin¹, Zhixin Jia², Ziwen Qin², Tianyu Guo³, Ruihua Zhao^1,2,4, Jianping Du^1,2,5

1. College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, China;
2. College of Chemistry, Taiyuan University of Technology, Taiyuan 030024, China;
3. College of Environment Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
4. Shanxi Kunming Tobacco Co. Ltd., Taiyuan 030032, China;
5. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, China

收稿日期:2023-04-05 修回日期:2023-06-03 出版日期:2023-12-28 发布日期:2024-02-05
通讯作者: Tianyu Guo,E-mail:tyguo1117x@163.com;Jianping Du,E-mail:dujp518@163.com
基金资助:
The authors thank the National Natural Science Foundation of China (51572185), Natural Science Foundation of Shanxi Province (202203021211158 and 20210302123173), and the Key Research and Developmen program of Shanxi Province (International Cooperation, 201903D421079) for the financial support.

Synergistic effect of CuO coupled with MoS₂ for enhanced photodegradation of organic dyes under visible light

Umsalama Abuelgasim Abubakr Yasin¹, Zhixin Jia², Ziwen Qin², Tianyu Guo³, Ruihua Zhao^1,2,4, Jianping Du^1,2,5

1. College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, China;
2. College of Chemistry, Taiyuan University of Technology, Taiyuan 030024, China;
3. College of Environment Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
4. Shanxi Kunming Tobacco Co. Ltd., Taiyuan 030032, China;
5. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan 030024, China

Received:2023-04-05 Revised:2023-06-03 Online:2023-12-28 Published:2024-02-05
Contact: Tianyu Guo,E-mail:tyguo1117x@163.com;Jianping Du,E-mail:dujp518@163.com
Supported by:
The authors thank the National Natural Science Foundation of China (51572185), Natural Science Foundation of Shanxi Province (202203021211158 and 20210302123173), and the Key Research and Developmen program of Shanxi Province (International Cooperation, 201903D421079) for the financial support.

摘要/Abstract

摘要： A series of MoS₂-modified CuO (CuO/MoS₂) heterostructures were successfully fabricated. The photodegradation properties of organic dyes were explored in detail under visible light. The photocatalytic results demonstrate that the CuO/MoS₂-3 heterostructure delivers superior degradation rates towards methyl violet dye (MV) and rhodamine B (RhB), reaching 99.8% and 95.3% within 30 min, respectively. The decent photodegradation activity is due to improved visible light adsorption and faster transfer of electron-hole pairs. The radical trapping experiments show that superoxide radicals (·O₂^-) and holes (h⁺) are the main active species in the removal of MV. Furthermore, the CuO/MoS₂-3 composite possesses the prominent stability and recyclability. This work offers a highly sustainable technique for designing a high-efficiency photocatalyst to remove environmental pollutants.

关键词: CuO/MoS₂, Heterostructure, Organic pollutants, Photocatalytic degradation

Abstract: A series of MoS₂-modified CuO (CuO/MoS₂) heterostructures were successfully fabricated. The photodegradation properties of organic dyes were explored in detail under visible light. The photocatalytic results demonstrate that the CuO/MoS₂-3 heterostructure delivers superior degradation rates towards methyl violet dye (MV) and rhodamine B (RhB), reaching 99.8% and 95.3% within 30 min, respectively. The decent photodegradation activity is due to improved visible light adsorption and faster transfer of electron-hole pairs. The radical trapping experiments show that superoxide radicals (·O₂^-) and holes (h⁺) are the main active species in the removal of MV. Furthermore, the CuO/MoS₂-3 composite possesses the prominent stability and recyclability. This work offers a highly sustainable technique for designing a high-efficiency photocatalyst to remove environmental pollutants.

Key words: CuO/MoS₂, Heterostructure, Organic pollutants, Photocatalytic degradation

Umsalama Abuelgasim Abubakr Yasin, Zhixin Jia, Ziwen Qin, Tianyu Guo, Ruihua Zhao, Jianping Du. Synergistic effect of CuO coupled with MoS₂ for enhanced photodegradation of organic dyes under visible light[J]. 中国化学工程学报, 2023, 64(12): 96-105.

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Synergistic effect of CuO coupled with MoS₂ for enhanced photodegradation of organic dyes under visible light

Synergistic effect of CuO coupled with MoS₂ for enhanced photodegradation of organic dyes under visible light

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