Synthesis of nanometer-sized TiO2 particles by a microemulsion method

被引：109

作者：

Li, GL

Wang, GH ^{[1
]}

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Ctr Adv Studies Sci & Technol, Nanjing 210093, Peoples R China

[3] Acad Sinica, Inst Met Res, Atom Imaging Solids Lab, Shenyang 110015, Peoples R China

来源：

NANOSTRUCTURED MATERIALS | 1999年 / 11卷 / 05期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/S0965-9773(99)00354-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanometer-sized titania particles have been prepared by chemical reactions between TiCl4 solution and ammonia in reversed microemulsion systems. Cyclohexane and a mixture of poly (oxyethylene)(5) nonyle phenol ether and poly (oxyethylene)(9) nonyle phenol ether with weight ratio 1:1 are used as oil phase and nonionic surfactant, respectively. The product is characterized by transmission electron microscopy, Raman spectroscopy, differential thermal and thermogravimetric analyses. Size distribution of particles determined from electron micrographs fits well with a lognormal function whose values for median and width are 5.4 nm and 1.4 nm. The crude product is amorphous and transforms into anatase heated at temperature from 200 to 750 degrees C, into rutile at temperatures higher than 750 degrees C. (C)1999 Acta Metallurgica Inc.

引用

页码：663 / 668

页数：6

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