聚合物系链金纳米粒子自组织成封闭在软乳液液滴中的混合多面体团簇

IF 9.6 1区 化学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Nan Yan, Jingjing Li, Tengying Ma, Xuejie Liu*, Yanqiu Du, Fan Wu* and Yutian Zhu*, 
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引用次数: 0

摘要

由聚合物系链无机结构单元组成的聚合物/无机多面体团簇因其引人入胜的晶体框架和功能性而备受关注。然而,多面体团簇的设计仍然是一个巨大的挑战,其尺寸通常限制在纳米级。在这里,我们通过聚苯乙烯系链金无机纳米粒子(AuNPs@PS)在软乳液液滴中的结晶,报告了完美的大型聚合物/无机杂化麦凯二十面体团簇,其尺寸可达微米级。我们提出了一个软度参数,用于评估软度对最终团簇形状的影响,该参数可用于控制超微粒的框架。有趣的是,通过操纵约束几何中 AuNPs@PS 构建块的约束度和数量,构建出了各种具有可调对称性和构型的柏拉图和约翰逊多面体团簇。我们工作中的多面体簇为自下而上构建混合多面体功能材料开辟了一种通用而高效的策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Self-Organization of Polymer-Tethered Gold Nanoparticles into Hybrid Polyhedral Clusters Confined in Soft Emulsion Droplets

Self-Organization of Polymer-Tethered Gold Nanoparticles into Hybrid Polyhedral Clusters Confined in Soft Emulsion Droplets

Polymer/inorganic polyhedral clusters organized from polymer-tethered inorganic building blocks have received remarkable attention due to their intriguing crystalline frameworks and functionalities. However, the design of polyhedral clusters remains an enormous challenge, and the sizes are normally restricted to the nanometer scale. Here, we report perfect and large polymer/inorganic hybrid Mackay icosahedral clusters up to the micrometer scale by crystallization of polystyrene-tethered gold inorganic nanoparticles (AuNPs@PS) in soft emulsion droplets. A softness parameter is proposed to evaluate the effect of the softness degree on the shape of the final clusters, which can be utilized to control the framework of supraparticles. Interestingly, a variety of Platonic and Johnson polyhedral clusters with tunable symmetries and configurations have been constructed through manipulating the confinement degree and number of AuNPs@PS building blocks in the confined geometry. The polyhedral clusters in our work open up a universal yet efficient strategy for the bottom-up construction of hybrid polyhedral functional materials.

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来源期刊
ACS Materials Letters
ACS Materials Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
14.60
自引率
3.50%
发文量
261
期刊介绍: ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.
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