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聚合物接枝金胶体与超胶体：从形成机制到动态软物质

Polymer-Grafted Gold Colloids and Supracolloids: From Mechanisms of Formation to Dynamic Soft Matter.

作者信息

Rossner Christian

机构信息

Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, D-01069, Dresden, Germany.

Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, D-01069, Dresden, Germany.

出版信息

Macromol Rapid Commun. 2025 Mar;46(5):e2400851. doi: 10.1002/marc.202400851. Epub 2025 Jan 9.

DOI:10.1002/marc.202400851
PMID:39783139
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11884231/
Abstract

Gold nanoparticles represent nanosized colloidal entities with high relevance for both basic and applied research. When gold nanoparticles are functionalized with polymer-molecule ligands, hybrid nanoparticles emerge whose interactions with the environment are controlled by the polymer coating layer: Colloidal stability and structure formation on the single particle level as well as at the supracolloidal scale can be enabled and engineered by tailoring the composition and architecture of this polymer coating. These possibilities in controlling structure formation may lead to synergistic and/or emergent functional properties of such hybrid colloidal systems. Eventually, the responsivity of the polymer coating to external triggers also enables the formation of hybrid supracolloidal systems with specific dynamic properties. This review provides an overview of fundamentals and recent developments in this vibrant domain of materials science.

摘要

金纳米颗粒代表了对基础研究和应用研究都具有高度相关性的纳米级胶体实体。当金纳米颗粒用聚合物分子配体进行功能化时，就会出现杂化纳米颗粒，其与环境的相互作用由聚合物涂层控制：通过调整该聚合物涂层的组成和结构，可以实现并设计单颗粒水平以及超胶体尺度上的胶体稳定性和结构形成。控制结构形成的这些可能性可能会导致此类杂化胶体系统产生协同和/或新兴的功能特性。最终，聚合物涂层对外部触发因素的响应性还能够形成具有特定动态特性的杂化超胶体系统。本综述概述了这一充满活力的材料科学领域的基本原理和最新进展。

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