Synthesis of high surface area tin oxide powders via water-in-oil microemulsions

被引：62
|
作者：
Song, KC
Kim, JH
机构：
[1] Konyang Univ, Dept Chem Engn, Nonsan 320711, Chungnam, South Korea
[2] Korea Inst Energy Res, Yosong Gu, Taejon 305343, South Korea
来源：
POWDER TECHNOLOGY | 2000年 / 107卷 / 03期
关键词：
tin oxide particles; water-in-oil microemulsions; high surface area; pore structure;
D O I：
10.1016/S0032-5910(99)00255-7
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Nanoparticles of tin oxide have been synthesized from water-in-oil microemulsions consisting of water, AOT (surfactant), and n-hrptane (oil). The aqueous cores of microemulsions were used as constrained microreactors for the precipitation of precursor hydroxide particles. When these precursor powders were calcined at 600 degrees C for 2 h, they exhibited a higher Brunauer-Emmet-Teller (BET) surface area of 86 m(2)/g. On the other hand, the powders obtained from the conventional precipitation method showed a lower surface area of 19 m(2)/g. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：268 / 272
页数：5
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