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Abstract
Two types of g-C3N4 were prepared by thermal polymerization of melamine at 550 °C for 5 h and 7 h. Then two kinds of g-C3N4/MoS2 composites were prepared by the ultrasonic composite method. The crystal structure, morphology and band structure of the two composite photocatalysts were systematically analyzed. The results show that the longer calcination time can reduce the band gap and the photoinduced electron-hole recombination rate. The degradation rate of Rhodamine B after visible light irradiation for 60 min verified that the composite had a good photocatalytic effect after calcination for 7 hours (87.4%).
Additional information
Funding
This study was funded by the National Natural Science Foundation of China (61664008); Yan 'an Science and Technology Planning Project (2019ZCNZ-001); Yan 'an University Industry-University-Research Cooperation Project (CXY201902); Research Fund for key Laboratories jointly built by provinces and cities of Shaanxi Province for Intelligent Processing of Big Data (IPBED11, IPBED16); Graduate Education Reform Program of Yan 'an University (YDYJG2019018).