介绍了近年来超临界流体技术在制备功能纳米材料,特别是纳米TiO2材料方面的应用.利用超临界流体技术辅助合成纳米TiO2,可以有效控制TiO2的形貌,提高光催化活性.阐述了超临界流体技术的原理、方法,着重对利用超临界流体技术合成不同成分、结构、形貌纳米TiO2的相关研究进展进行了综述,并进一步指出了超临界流体技术在纳米TiO2合成中存在的问题和未来的发展方向.
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