Modeling Self-Assembly of Diblock Copolymer-Nanoparticle Composites

被引：12
|
作者：
Aarao Reis, Fabio D. A. [1 ]
机构：
[1] Univ Wisconsin, Dept Chem, Madison, WI 53706 USA
来源：
MACROMOLECULES | 2008年 / 41卷 / 22期
关键词：
D O I：
10.1021/ma801592b
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A cell dynamics method for domain separation of diblock copolymers (DBCPs) interacting with nanoparticles (NPs) whose diffusion coefficients depend on chain configuration is proposed for self-assembly of DBCP/NP composites. Increasing NP concentration slows down domain separation, but matching NP diffusion lengths and lamellar size of DBCPs reduces this effect. The model also explains features of different nanocomposites, such as morphological transitions induced by NPs, the coexistence of lamellar and hexagonal patterns in a single sample, and peaked NP density profiles across the parallel domains.
引用
收藏
页码：8932 / 8937
页数：6
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