Design of Functional Materials based on Liquid Crystalline Droplets.

Design of Functional Materials based on Liquid Crystalline Droplets.
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DOI:
10.1021/cm4025028
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发表时间:
2014-01-14
影响因子:
8.6
通讯作者:
Abbott, Nicholas L.
Abbott, Nicholas L.
中科院分区:
材料科学2区
文献类型:
--
作者:
Miller, Daniel S.;Wang, Xiaoguang;Abbott, Nicholas L.

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这个简短的观点集中在功能软材料的设计,是基于限制的低分子量液晶(LC)在微米大小的液滴的最新进展。虽然在聚合物分散的LC材料中已经广泛地探索了微米级域内LC的有序性,但是最近的研究用具有精确定义的尺寸和界面化学的LC域进行,揭示了不遵循先前报道的理论预测的约束诱导的LC有序性的观察。这些新发现在一定程度上得益于封装在聚合物壳中的液晶制备技术的进步,为基于表面诱导有序转变的软响应材料的设计开辟了新的机会。这些材料也提供了新的见解,生物分子和胶体物种的自组装在缺陷形成的LC局限于微米级的域。在这个角度提出的研究服务,另外强调知识的差距,在密闭系统中的LC排序。
This brief perspective focuses on recent advances in the design of functional soft materials that are based on confinement of low molecular weight liquid crystals (LCs) within micrometer-sized droplets. While the ordering of LCs within micrometer-sized domains has been explored extensively in polymer-dispersed LC materials, recent studies performed with LC domains with precisely defined size and interfacial chemistry have unmasked observations of confinement-induced ordering of LCs that do not follow previously reported theoretical predictions. These new findings, which are enabled in part by advances in the preparation of LCs encapsulated in polymeric shells, are opening up new opportunities for the design of soft responsive materials based on surface-induced ordering transitions. These materials are also providing new insights into the self-assembly of biomolecular and colloidal species at defects formed by LCs confined to micrometer-sized domains. The studies presented in this perspective serve additionally to highlight gaps in knowledge regarding the ordering of LCs in confined systems.
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