Anatase titanium dioxide crystallization by a hydrolysis reaction of titanium alkoxide without annealing

被引:13
作者
Funakoshi, Kunio [1 ]
Nonami, Toru [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Ceram Res Inst, AIST, Nagoya, Aichi 4638560, Japan
关键词
D O I
10.1111/j.1551-2916.2006.01011.x
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The crystallization of anatase titanium dioxide (TiO2) was achieved by a hydrolysis reaction of titanium alkoxide without annealing. The hydrolysis reaction rates of tetraethyl orthotitanate were indicated by a function of the concentration of acetylacetone added. The degree of crystallinity of the product particles was influenced by the amounts of acetylacetone and seed crystals. Anatase TiO2 was crystallized by restraining the rapid increase in supersaturation of TiO2 and the consequent nucleation of amorphous TiO2. The degree of crystallinity of the product particles also changed with the types of seed crystals used, and was strongly influenced by the specific surface areas of the seed crystals.
引用
收藏
页码:2381 / 2386
页数:6
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