以氮掺杂为代表的非金属掺杂TiO2光催化剂被誉为“第二代光催化材料”.首先系统评述了氮掺杂二氧化钛的制备方法.N掺杂TiO2粉体的制备方法主要有高温焙烧法、水解沉淀法、有机前驱体热解法、溶胶-凝胶法以及机械化学法等;N掺杂TiO2薄膜的制备方法主要包括磁控溅射法、脉冲激光沉积法以及金属有机化学气相沉积法等.综述了近年来国内外通过氮掺杂改进二氧化钛光催化剂的性能、提高可见光利用效率的最新研究进展,指出了在氮掺杂TiO2催化剂研究中有待解决的问题及今后可能的发展方向.
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