Enhanced degradation of rhodamine B, tetracycline and carbamazepine by construction of a solar driven indirect Z-scheme AgI/Ag/Bi 2 O 2 CO 3 nanosheets photocatalyst
作者： Huan Yu , Haoyong Yin , Ling Wang , Jianying Gong , Yifan Zheng
DOI: 10.1007/S10854-019-02070-W
关键词:
摘要: The indirect Z-scheme AgI/Ag/Bi2O2CO3 nanosheets photocatalysts were facilely constructed with Ag nanoparticles generated between AgI and Bi2O2CO3 through in situ photo-reduction process. morphology, structure, chemical composition, optical photo-electrochemical properties characterized via various methods. Different organic pollutants, including Rhodamine B (RhB), Tetracycline (TC) Carbamazepine (CBZ) used to explore the photodegrading application of nanosheets. exhibited highly improved photocatalytic activities than that (BOC sheets), AgI/BOC sheets AgI. rates RhB, TC CBZ degradation on 2.48, 1.31 7.61 times higher BOC sheets, respectively. as structure may be main factor increase performance nanosheets, where can act charge transfer bridge accelerating separation electrons holes. Moreover, it also result oxidative holes VB more reductive CB mechanism was discussed based trapping experiment results ·O2− h+ radicals during reaction. present study provide a rational strategy design efficient photocatalyst for pollutants degradation.
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