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Influence of the thermodynamic stability of microemulsion on the size of nanoparticles prepared by a coupling route of microemulsion with homogeneous precipitation




作者: He YJ, Yang BL, Cheng GX, Pan HM
发表/完成日期: 2004-05-03
期刊名称: MATERIALS LETTERS
期卷: 58 (14)
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论文简介
Abstract: Cerium oxalate nanoparticles were synthesized from the coupling route of microemulsion with homogeneous precipitation; the average size of nanoparticles was measured by BI-90 particle size analyzer. To make clear the influence of the thermodynamic stability of microemulsion used on the size of nanoparticles, the variation of the standard free energy of cosurfactant transfer from the continuous phase to the inter-face of microemulsion (DeltaG(c --> i)) was calculated by the dilution method. The results showed the variation of DeltaG(c --> i) had complex effects on the average size of cerium oxalate nanoparticles; the reaction temperature and the sorts of surfactants also influenced the average size of nanoparticles. (C) 2004 Elsevier B.V. All rights reserved.
IDS Number: 814AL