Alkoxide as precursors in the synthesis of new materials through the sol-gel process

被引：17
|
作者：
Airoldi, C
de Farias, RF
机构：
[1] Univ Estadual Campinas, Inst Quim, BR-13084971 Campinas, SP, Brazil
[2] Univ Fed Roraima, Dept Quim, BR-69301970 Boa Vista, RR, Brazil
来源：
QUIMICA NOVA | 2004年 / 27卷 / 01期
关键词：
sol-gel; alkoxide; materials;
D O I：
10.1590/S0100-40422004000100018
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
ALKOXIDE AS PRECURSORS IN THE SYNTHESIS OF NEW MATERIALS THROUGH THE SOL-GEL PROCESS. An overview about the role of alkoxides in the most recent uses of the sol-gel process in the synthesis of new materials is presented. Special attention is focused on the uses of silicon, aluminum, zirconium and titanium alkoxides. This review shows that the alkoxides enable the synthesis of new matrices with controlled surface area, acidity and porosity, as well as some unusual properties. The property associated with the solubility of metal alkoxides opens enormous possibilities of combining them for the synthesis films of powders with a very large range of metal compositions.
引用
收藏
页码：84 / 88
页数：5
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