Abstract
The organic-inorganic heterojunction composites possessed excellent physical and chemistry properties has enormous potential in the field of wastewater purification. Herein, the novel PI-BiPO4 heterojunction photocatalysts were synthesized via facile hydrothermal method. The different ratio PI-BiPO4 composites exhibited remarkable photodegradation performance than that of the pure BiPO4. The enhanced photocatalytic activity of 75PI-BiPO4 composites was ascribed to the improvement of light absorption ability and larger specific surface area. What is more, the forming of heterojunction between PI and BiPO4 was conduce to the separation and migration of the photogenerated electron-hole pairs. The h+ and O2− confirmed by EPR facility were predominant reactive species in the photocatalytic process. In addition, the feasible pathway of photocatalytic degradation TC were inferred on account of the UPLC-MS/MS results. This work provides a novel organic-inorganic heterojunction composites for supporting the field of the pollutant purification.
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