Preparation of nanocrystalline porous titania films on titanium substrates by a sol-gel method with polyethylene glycol as a template

被引：9

作者：

Bu, Shaojing

Cui, Chunxiang

Liu, Xiaoxin

Bai, Ling

机构：

[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China

[2] Tianjin Univ, Key Lab Adv Ceram & Machining Technol, Minist Educ, Sch Mat, Tianjin 300072, Peoples R China

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2007年 / 43卷 / 02期

关键词：

TiO2 porous film; sol-gel; templating; polyethylene glycol; titanium substrate;

D O I：

10.1007/s10971-007-1556-4

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：

Porous nanocrystalline TiO2 films have been prepared on cp-Ti substrates for biomedical usage by a sol-gel process from the solutions containing polyethylene glycol (PEG) as a template. Variations of the crystal structure with heat-treatment temperature determined by XRD are different for TiO2 films and powders, due to the effect of titanium substrate. The surface texture of porous TiO2 films is analyzed by means of SEM and found to greatly depend on the concentration and molecular weight of PEG. The pore formation mechanism is discussed in relation to the self-assembly of PEG and phase separation between PEG adsorbed on TiO2 oligomers and ethanol.

引用

页码：151 / 159

页数：9

共 30 条

[1] Use of sol-gel-derived titania coating for direct soft tissue attachment [J].