Author： Feldmann C.
Publisher： Springer Publishing Company
ISSN： 0022-2461
Source： Journal of Materials Science, Vol.36, Iss.2, 2001-01, pp. : 297-299
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Abstract
Bi_2O_3 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°C crystalline α-Bi_2O_3 particles were formed. The material was isolated by centrifugation and characterized by XRD and SEM. The size of Bi_2O_3 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 Bi_2O_3 particle layers on planar glass substrates.
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