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Capillary Assembly of Colloids: Interactions on Planar and Curved Interfaces
Annual Review of Condensed Matter Physics ( IF 14.3 ) Pub Date : 2018-03-12 00:00:00 , DOI: 10.1146/annurev-conmatphys-031016-025514
Iris B. Liu 1 , Nima Sharifi-Mood 1 , Kathleen J. Stebe 1
Affiliation  

In directed assembly, small building blocks are assembled into an organized structure under the influence of guiding fields. Capillary interactions provide a versatile route for structure formation. Colloids adsorbed on fluid interfaces distort the interface, which creates an associated energy field. When neighboring distortions overlap, colloids interact to minimize interfacial area. Contact line pinning, particle shape, and surface chemistry play important roles in structure formation. Interface curvature acts like an external field; particles migrate and assemble in patterns dictated by curvature gradients. We review basic analysis and recent findings in this rapidly evolving literature. Understanding the roles of assembly is essential for tuning the mechanical, physical, and optical properties of the structure.

中文翻译:


胶体的毛细管组装:平面和弯曲界面上的相互作用

在定向组装中,小构件在引导场的影响下组装成有组织的结构。毛细管相互作用为结构形成提供了一种通用的途径。吸附在流体界面上的胶体会使界面变形,从而产生相关的能量场。当相邻的变形重叠时,胶体相互作用以最小化界面面积。接触线钉扎,颗粒形状和表面化学在结构形成中起重要作用。界面曲率就像一个外部场。粒子以曲率梯度决定的模式迁移和聚集。我们回顾了这一迅速发展的文献中的基本分析和最新发现。了解装配的作用对于调整结构的机械,物理和光学特性至关重要。

更新日期:2018-03-12
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