Semiconductor ZnFe2O4 as Efficient Photocatalyst for the Degradation of Organic Dyes: An Update

Zinc ferrite (ZnFe2O4) is one of the famous and widely studied photocatalysts with band-gap in the visible region.  ZnFe2O4 has emerged as a promising photocatalyst due to its unique properties and versatile applications. This review aims to provide an overview of the properties, synthesis methods, and photocatalytic performance of zinc ferrite. It also explores the diverse applications of zinc ferrite composites as catalysts, highlighting their performance as photocatalysts. The catalyst possesses a spinal fine crystalline structure and can be prepared by various methods such as combustion, hydrothermal, sol-gel, and co-precipitation. Zinc ferrite by nature is a superparamagnetic semiconductor that has been used for the degradation of numerous organic dyes in the past. ZnFe2O4 is particularly effective in harnessing light energy and actively supports photocatalytic-redox reactions.