从纳米TiO2晶体结构入手,讨论了纳米TiO2光催化机理、制备技术、修饰活化及分析检测方法,重点比较了锐钛矿型和金红石型TiO2的光催化性能的差异,认为锐钛矿型TiO2由于具有更高的传质空位因而具有好的光催化性能;光催化活化修饰改性应以降低O对Ti的电场束缚为突破点.同时,结合实例介绍了光催化技术在不同领域的最新研究成果.
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