摘要
综述了液相法合成纳米TiO2粉体的各种方法,评述了液相沉淀法、水解法、溶胶-凝胶法、水热法、微乳液法和液相一步合成法的制备工艺及特点,并指出液相一步合成法在常压低温下就能合成团聚小、单分散性好和光催化活性高的金红石相纳米TiO2粉体,此生产工艺由于省去了高温焙烧工序而最具竞争力。
The preparation processes and their features for several methods to synthesize nanosized titania in liquid-phase, including liquid-phase precipitation, hydrolysis, Sol-Gel method, hydrothermal method, microemusification and the single-step liquid phase are reviewed. By analysis and comparison, the single-step liquid phase takes advantage over the others, because nanosized rutile TiO2 powder, with well-dispersed and high photocatalytic activity, can be achieved by this method at lower temperature and normal pressure, and the high temperature calcinations process needn＇t be used as well.
出处
《硅酸盐通报》
CAS
CSCD
北大核心
2006年第3期96-99,110,共5页
Bulletin of the Chinese Ceramic Society
基金
国家自然科学基金资助项目(10476023)
四川省科技厅科学基金资助项目(03JY-017).
关键词
纳米TIO2
液相
合成
nanosized titania
liquid-phase
synthesis
