Abstract
Semiconductor photocatalysis is considered one of the efficient and clean environmental technologies in the treatment of organic dye wastewater. Indium zinc sulfide (ZnIn2S4) is favored among many photocatalysts because of its narrow-forbidden bandwidth, good visible light absorption properties, suitable conduction and valence band positions, high chemical stability, low cost, easy preparation and low toxicity. However, indium zinc sulfide (ZnIn2S4) still faces the disadvantages of low visible light utilization and high photogenerated carrier complexation rate. In this paper, we introduce rare-earth ion doping and heterojunction of rare-earth oxides with ZnIn2S4 to improve photocatalytic efficiency, and we also review the current research status and development prospects of indium zinc sulfide in recent years.
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