Polyol mediated synthesis of sub-micrometer Bi2O3 particles

被引:32
作者
Jungk, HO [1 ]
Feldmann, C [1 ]
机构
[1] PHILIPS Res Labs, D-52066 Aachen, Germany
关键词
Centrifugation - Colloids - Polyethylenes - Scanning electron microscopy - Synthesis (chemical);
D O I
10.1023/A:1004895605613
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Bi2O3 particles 70 to 90 nm in size were prepared with the polyol method. According to this method a suitable metal precursor (e.g. halogenide, acetate, alcoholate) and a defined amount of water were heated in a high boiling alcohol (e.g. diethylene glycol). Based on temperatures up to 180 degreesC crystalline alpha -Bi2O3 particles were formed. The material was isolated by centrifugation and characterized by XRD and SEM. The size of Bi2O3 particles in colloidally stable diethylene glycol suspension as well as in diethylene glycol/water mixtures was determined with laser diffraction methods. These suspensions were used to prepare homogeneous thin Bi2O3 particle layers on planar glass substrates. (C) 2001 Kluwer Academic Publishers.
引用
收藏
页码:297 / 299
页数:3
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