Research Progress on Semiconductor Photocatalytic Materials for Degradation of Organic Pollutants in Water
The accumulation of organic pollutants in water body brings a huge threat to the health both ecological environment and human being.As a type of advanced oxidation technology,photocatalytic technology oxidizes pollutants through active species to degrade them into small molecule organic compounds,ultimately achieving mineralization of pollutants.It is a low-cost,efficient,environmentally friendly,sustainable technology.The structure of photocatalytic material affects the photocatalytic.This paper reviews the performance of different structural photocatalytic materials,including bismuth(Bi)-based materials,graphitic carbon nitride(g-C3N4),and metal-organic framework materials(MOF),in degrading organic pollutants in aqueous solutions.It also summarizes the modifying methods for enhancing the photocatalytic activity,including shape control,constructing heterojunctions,element doping,and defect engineering.And the possible research directions and focuses of semiconductor photocatalytic materials for photocatalytic degradation of organic pollutants are presented.
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