Abstract: Nano-sized magnetic TiO₂ is a kind of excellent photocatalytic material due to its good performance in additional magnetic field. In this paper, the recent progress in magnetic materials of two components, three components, modified nuclear and hollow millirod structure was introduced. The advantages and disadvantages of coated material in different structures were elaborated. Solutions to different disadvantages were also summarized. Nano-sized magnetic TiO₂ recovery and photocatalyst efficiency were introduced. It was provided a reference for catalyst recovery, photocatalyst and magnetic property improvement through the influence factors of different structural photocatalytic materials.

Key words: magnetic photocalalyst materials, nano, titanium dioxide, coated

摘要： 磁性纳米TiO2是一类对外加磁场具有良好的磁响应性能的光催化材料，本文概述了近年来二组分、三组分磁性包覆材料、改性磁核的光催化材料及中空微囊结构的光催化材料的研究现状。阐述了不同结构包覆材料的优缺点并针对不同的缺点研究者们所采取的解决方法。介绍了磁性纳米TiO2的磁性回收效率和光催化效率情况。分析了不同结构中影响光催化材料形貌的主要因素，为实现催化剂的回收，提高光催化性能及磁性材料今后的发展方向提供参考。

关键词: 磁性光催化材料, 纳米, 二氧化钛, 包覆