Stability of the gyroid phase in diblock copolymers at strong segregation

被引：328
|
作者：
Cochran, EW [1 ]
Garcia-Cervera, CJ
Fredrickson, GH
机构：
[1] Univ Calif Santa Barbara, Mat Res Lab, Dept Chem Engn, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Dept Math, Santa Barbara, CA 93106 USA
来源：
MACROMOLECULES | 2006年 / 39卷 / 07期
关键词：
D O I：
10.1021/ma0527707
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The gyroid phase in diblock copolymers at strong segregation was stabilized. The intriguing topology of the network structure has inspired a diverse array of potential applications ranging from high-performance separation membranes to photonic crystals. The pressure field enforces incompressibility, while the exchange field is conjugate to the composition pattern in the melt. The Laplacian operator is treated implicitly with a fourth-order backward differentiation formula (BDF4), whereas the source term is discretized explicitly using fourth-order accurate Adams-Bashford.
引用
收藏
页码：2449 / 2451
页数：3
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