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Crystallization process of TiO2 nanoparticles in an acidic solution

被引：25
|
作者：
Shin, HH
Jung, HS
Hong, KS [1 ]
Lee, JK
机构：
[1] Seoul Natl Univ, Sch Mat Sci & Engn, Seoul 151744, South Korea
[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
CHEMISTRY LETTERS | 2004年 / 33卷 / 10期
关键词：
D O I：
10.1246/cl.2004.1382
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hydrolysis of titanium tetraisopropoxide followed by condensation at 30degreesC yields amorphous TiO2. Addition of nitric acid for peptization greatly accelerates the rate of amorphous to anatase conversion, resulting in an anatase with locally imperfect atomic structure. Further conversion to rutile in acidic solution has been observed and a plausible phase transformation process has been postulated.
引用
收藏
页码：1382 / 1383
页数：2
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