期刊
ACS OMEGA
卷 6, 期 19, 页码 12787-12793出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.1c01068
关键词
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资金
- National Key R&D Program of China [2019YFE0112000]
- Zhejiang Natural Science Foundation of China [LY17E020008]
- Fundamental Research Funds for the Provincial Universities of Zhejiang [2020YW53]
- Department of Education of Zhejiang Province [Y202045252]
- Opening Project of State Key Laboratory of High-Performance Ceramics and Superfine Microstructure [SKL201803SIC]
1T-MoS2 is grown in situ on TiO2 nanotubes using a hydrothermal method to form a 1T-MoS2@TNTs composite, showing enhanced photocatalytic performance for tetracycline hydrochloride degradation under visible light. The optimized photocatalytic activity is closely related to the loading amount of 1T-MoS2, where 0.5 wt % 1T-MoS2@TNTs can degrade 57% in 1 hour, the highest efficiency observed experimentally so far. The introduction of 1T-MoS2 is speculated to improve light absorption and charge separation/transport, with identified active species and proposed reaction mechanism.
1T-MoS2 is in situ grown on TiO2 nanotubes (TNTs) using a hydrothermal method, forming a 1T-MoS2@TNTs composite, which is confirmed by its physical characterization. The prepared composites show enhanced photocatalytic performance for the degradation of tetracycline hydrochloride under visible light, and the improved photocatalytic activity is closely related to the loaded amount of 1T-MoS2. Therein, 0.5 wt % 1T-MoS2@TNTs can degrade 57% in 1 h, which is the highest photocatalytic efficiency observed in experiments so far. It is speculated that the introduction of 1T-MoS2 may optimize light absorption and charge separation/transport. The active species are identified and the reaction mechanism is proposed here.
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