Construction of Chiral, Helical Nanoparticle Superstructures: Progress and Prospects
Construction of Chiral, Helical Nanoparticle Superstructures: Progress and Prospects
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DOI：
10.1002/adma.201905975
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发表时间：
2019-12-09
影响因子：
29.4
通讯作者：
Rosi, Nathaniel L.
中科院分区：
文献类型：
--
作者：
Mokashi-Punekar, Soumitra;Zhou, Yicheng;Rosi, Nathaniel L.
手性纳米粒子（NP）超结构是指将离散的纳米粒子组装成手性结构，代表了一种令人兴奋且正在发展的纳米材料。它们的对映体特异性使它们成为各种潜在应用的有希望的候选者。螺旋NP超结构是一种快速发展的手性纳米材料亚类，其中NP围绕螺旋轴呈三维排列。它们固有的不对称性产生了各种有趣的特性，包括在可见光谱中的等离子体热力活动，它们作为热力传感器和光学超材料的组成部分具有巨大的前景。本文简要介绍了有助于定义手性纳米材料领域的基础概念进展的历史，并重点介绍了螺旋纳米材料发展中的一些主要成就。接下来，讨论了用于构建这些材料的关键方法，并确定了每种组装方法所提供的具体优点，以及它们的潜在缺点。最后，讨论了这些材料的一些具体应用实例，并提出了未来发展的一些领域和研究重点。
Chiral nanoparticle (NP) superstructures, in which discrete NPs are assembled into chiral architectures, represent an exciting and growing class of nanomaterials. Their enantiospecific properties make them promising candidates for a variety of potential applications. Helical NP superstructures are a rapidly expanding subclass of chiral nanomaterials in which NPs are arranged in three dimensions about a screw axis. Their intrinsic asymmetry gives rise to a variety of interesting properties, including plasmonic chiroptical activity in the visible spectrum, and they hold immense promise as chiroptical sensors and as components of optical metamaterials. Herein, a concise history of the foundational conceptual advances that helped define the field of chiral nanomaterials is provided, and some of the major achievements in the development of helical nanomaterials are highlighted. Next, the key methodologies employed to construct these materials are discussed, and specific merits that are offered by each assembly methodology are identified, as well as their potential disadvantages. Finally, some specific examples of the emerging applications of these materials are discussed and some areas of future development and research focus are proposed.