干AOT/烷烃混合物中反胶束的结构和热力学稳定性

IF 0.5 Q4 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Complex Systems Pub Date : 2008-02-27 DOI:10.1063/1.2897802
A. Wootton, Francois Picavez, P. Harrowell
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引用次数: 8

摘要

阴离子表面活性剂AOT钠在非极性溶剂中的反胶束的蒙特卡罗模拟研究提供了强有力的证据,证明在没有水的情况下,这些团簇是电荷有序的多面体壳。这些团簇的稳定能量是如此之大,相比之下,混合的熵是无关紧要的,我们预测,如果所有的水化水都能被去除(钠盐还没有完成),那么AOT将不溶于非极性溶剂。
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The Structure and Thermodynamic Stability of Reverse Micelles in Dry AOT/Alkane Mixtures
Monte Carlo simulation studies of reverse micelles of an anionic surfactant, sodium AOT, in a non‐polar solvent provide strong evidence that, in the absence of water, these clusters are charge ordered polyhedral shells. The stabilizing energy of these clusters is so large that the entropy of mixing is, in comparison, inconsequential and we predict that, if all waters of hydration could be removed (something not yet accomplished for the sodium salt) then AOT would be insoluble in nonpolar solvents.
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来源期刊
Complex Systems
Complex Systems MATHEMATICS, INTERDISCIPLINARY APPLICATIONS-
CiteScore
1.80
自引率
25.00%
发文量
18
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