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                    20200704,我院教师郭峰等“MoS2 nanosheets anchored on porous ZnSnO3 cubes as an efficient visible light-driven composite photocatalyst for the degradation of tetracycline and mechanism insight”的研究成果在《Journal of Hazardous Materials》上发表。
                    发布时间: 2020-07-04 浏览次数: 10

                    202074日,我院教师郭峰等“MoS2 nanosheets anchored on porous ZnSnO3 cubes as an efficient visible light-driven composite photocatalyst for the degradation of tetracycline and

                    mechanism insight”的研究成果在《Journal of Hazardous Materials》上发表。

                     

                    论文简介如下:

                    In this study, MoS2/ZnSnO3 (MS-ZSO) composite photocatalyst with loading MS nanosheets onto the surface of porous ZSO microcubes was synthesized using a simple hydrothermal route. The prepared MS-ZSO composite can be easily excited under visible light, and 3 % MS-ZSO exhibits an outstanding photo-degradation (> 80 % in 60 min) and mineralization performance (> 42 % in 60 min) of the tetracycline. A remarkable improvement in the photocatalytic activity of MS-ZSO composite derived from a positive synergistic effect of well-matched energy level positions, increasement the absorption of visible light, prolonged life time decay and improved interfacial charge transfer between MS and ZSO. In-depth investigation on charge carrier separation mechanism toward MS/ZSO composite under visible light was proposed, which was further evidenced by capture experiments and electron spin resonance (ESR) techniques. Furthermore, the corresponding intermediates of tetracycline degradation over MS-ZSO composites were inspected by liquid chromatography-mass spectrometry (LCMS) analysis, and the possible degradation paths were proposed.

                     

                    论文链接: https://doi.org/10.1016/j.jhazmat.2020.122158


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