Estimation of phase ratio for nano-sized TiO2 powders by TiK-edge XANES

被引：8
作者：
Lee, YS
Lim, HM [1 ]
Kim, SJ
Lee, WJ
Cho, DH
机构：
[1] Korea Inst Ceram Engn & Technol, Dept Elect Mat & Components, Seoul 153801, South Korea
[2] Hanbat Natl Univ, Div Informat Commun & Comp Engn, Taejon 305719, South Korea
[3] Sejong Univ, Dept Nano Sci & Technol, Seoul 143747, South Korea
[4] Sejong Univ, Dept Adv Mat Engn, Seoul 143747, South Korea
[5] Agcy Technol & Stand, Opt & Elect Mat Div, Kyonggi Do 427716, South Korea
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2003年 / 29卷 / 7-9期
关键词：
nano TiO2 powder; phase ratio; TiK-edge XANES;
D O I：
10.1163/156856703322601799
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We estimated the crystallinity and phase ratio of anatase to rutile in TiO2 nano-particles by Ti K-edge X-ray absorption near-edge spectroscopy (XANES) spectra. The nano-sized TiO2 powders prepared by the homogeneous precipitation process at low temperature (HPPLT) were compared with the commercial TiO2 powders with good crystallinity. From the comparison with the experimental and calculated Ti K-edge XANES spectra, we found the possibility of efficient estimation in the crystallinites and the phase ratio of anatase to rutile for nano-sized TiO2 mixtures.
引用
收藏
页码：783 / 791
页数：9
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