Rotator and crystalline films via self-assembly of short-bond-length colloidal dimers

被引：37

作者：

Hosein, Ian D. ^{[1
]}

John, Bettina S. ^{[1
]}

Lee, Stephanie H. ^{[1
]}

Escobedo, Fernando A. ^{[1
]}

Liddell, Chekesha M. ^{[1
]}

机构：

[1] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2009年 / 19卷 / 03期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

PHASE-TRANSITION; PARTICLES; MICROSTRUCTURE; NANOPARTICLES; SCATTERING; FLUID;

D O I：

10.1039/b818613h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nonspherical particles of pear-like and spherocylinder shape were organized into diverse two-dimensional (2D) structures, including the orientationally disordered rotator. Dry films with hexagonal, oblique, and centered rectangular symmetry were obtained by using convective assembly to condense and confine the system in a thin meniscus region. Monte Carlo simulations confirmed the transition from fluid to rotator simply as a function of system density and short-bond-length particle morphology.

引用

页码：344 / 349

页数：6

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