使用可切换偶极毛细相互作用在流体界面上组装椭球颗粒。
Assembling ellipsoidal particles at fluid interfaces using switchable dipolar capillary interactions.
机构信息
Centre for Computational Science, University College London, 20 Gordon Street, London, WC1H 0AJ, United Kingdom.
出版信息
Adv Mater. 2014 Oct 22;26(39):6715-9. doi: 10.1002/adma.201402419. Epub 2014 Aug 13.
PMID:25124463
Abstract
How to dynamically tune an assembly of anisotropic colloidal particles adsorbed at fluid-fluid interfaces using dipolar capillary interactions is demonstrated. A previously discovered first-order phase transition is exploited and it is shown how to spontaneously turn off these dipolar capillary interactions by exceeding a critical field strength, providing unprecedented control of the bottom-up fabrication of soft materials.
摘要
本文展示了如何使用偶极毛细相互作用来动态调整吸附在流体-流体界面上的各向异性胶体颗粒的组装。利用先前发现的一级相变，并展示了如何通过超过临界场强来自动关闭这些偶极毛细相互作用，从而为软物质的自下而上制造提供前所未有的控制。
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