Synthesis and characterization of rutile TiO2 nanowhiskers

被引：35

作者：

Li, GL ^{[1
]}

Wang, GH

Hong, JM

机构：

[1] Nanjing Univ, Ctr Adv Studies Sci & Technol, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

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

[3] Nanjing Univ, Modern Anal Ctr, Nanjing 210093, Peoples R China

来源：

JOURNAL OF MATERIALS RESEARCH | 1999年 / 14卷 / 08期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1557/JMR.1999.0453

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Rutile TiO2, nanowhiskers have been synthesized by annealing a precursor powder in which NaCl and Ti(OH), particles were homogeneously mixed. The precursor powder was prepared by mixing three kinds of inverse microemulsions (mu E) containing TiCl4, aqueous solution, ammonia, and NaCl aqueous solution, respectively, followed by washing with acetone. Annealing temperature and packing density of Ti(OH), in the precursor powder influenced the formation of rutile nanowhiskers. The optimum temperature was 750 degrees C. TiO2, nanowhiskers obtained by annealing a precursor powder in which the molar ratio of sodium to titanium was 400 at 750 degrees C for 2 h had diameters of 10-50 nm and lengths of several micrometers. They were straight rods with square cross sections, and the side surfaces were composed of four equivalent (110) planes.

引用

页码：3346 / 3354

页数：9

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