氧化铁纳米材料的制备及其光催化性能研究进展

Research Progress on Preparation and Photocatalysis Performance of Iron Oxide Nanomaterials

光催化作为一种高级氧化技术,具有能耗低、绿色环保、催化性能高等特点,成为极具潜力的染料降解和环境修复技术。氧化铁纳米材料是一种成本低、性能优异的光催化材料。本文首先概述了光催化技术的基本原理和光催化半导体材料的分类;其次,系统地阐述了氧化铁纳米材料的制备方法及其在光催化降解有机污染物方面的应用研究进展;最后,对氧化铁光催化剂存在的问题及发展趋势进行了总结和展望。

Photocatalysis as an advanced oxidation technology with characteristics of low energy consumption,environmental protection and high catalytic performance has become a potential dye degradation and environmental remediation technology.Iron oxide nanomaterials are one of the low cost and most effective photocatalytic materials.In this paper,the basic principle of photocatalytic technology and the classification of photocatalytic semiconductor materials are summarized.Secondly,the preparation methods of iron oxide nanomaterials and their application in photocatalytic degradation of organic pollutants were systematically reviewed.Finally,the problems and development trend of iron oxide photocatalyst are summarized and prospected.