Monte Carlo Simulations of Metallo-Supramolecular Micelles

被引:3
|
作者
Wang, Shihu [1 ]
Dormidontova, Elena E. [1 ]
机构
[1] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA
基金
美国国家科学基金会;
关键词
metallo-supramolecular micelles; Monte Carlo simulation; reversible micelle corona; self-assembly; surface metal-ligand complexes; BLOCK-COPOLYMER MICELLES; SURFACE FORCES; POLYMERS; COMPLEXATION; ADSORPTION; INCLUSION; SPHERES;
D O I
10.1002/marc.200900900
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Using Monte Carlo simulations we show that the equilibrium properties of metallo-supramolecular micelles are determined by the competition of 2:1 and 1:1 metal ligand complex between the neighboring covalently tion in the bulk and on the surface as well as steric corona blocks attached to the surface. We predict that by increasing the association energy for the second metal ligand bond, or decreasing the corona block length one can achieve a larger core surface coverage for metallo-supramolecular micelles. Compared to covalently bonded block copolymer micelles, we show that metallo-supramolecular micelles have smaller monomer and end group density, especially in the vicinity of the core, which may lead to experimentally observed aggregation.
引用
收藏
页码:897 / 903
页数:7
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