两亲性 Janus 粒子的干燥介导取向和组装结构。
Drying mediated orientation and assembly structure of amphiphilic Janus particles.
机构信息
Department of Materials Science and Engineering, Iowa State University of Science and Technology, Ames, IA 50011, USA.
出版信息
Soft Matter. 2018 Aug 22;14(33):6793-6798. doi: 10.1039/c8sm01147h.
PMID:29972196
Abstract
Amphiphilic Janus particles demonstrate unique assembly structures when dried on a hydrophilic substrate. Particle orientations are influenced by amphiphilicity and Janus balance. A three-stage model is developed to describe the process. Simulation further indicates the dominant force is capillary attraction due to the interface pinning at rough Janus boundaries.
摘要
两亲性 Janus 粒子在亲水基底上干燥时表现出独特的组装结构。粒子的取向受两亲性和 Janus 平衡的影响。建立了一个三阶段模型来描述这个过程。模拟进一步表明，由于粗糙 Janus 边界的界面钉扎，主导力是毛细吸引力。
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