文献类型：期刊文献

中文题名：二元聚合物接枝纳米粒子的界面自组装行为

英文题名：Interfacial Self-Assembly Behaviors of Binary Mixtures of Polymer-Grafted Nanoparticles

作者：邵明旭[1];林嘉平[1];张良顺[1]

机构：[1]华东理工大学材料科学与工程学院,上海市先进聚合物材料重点实验室,上海200237

年份：2025

卷号：38

期号：4

起止页码：318

中文期刊名：功能高分子学报

外文期刊名：Journal of Functional Polymers

收录：;北大核心:【北大核心2023】；

基金：国家自然科学基金(22333002,22073028)。

语种：中文

中文关键词：纳米粒子;界面自组装;理论模拟;超晶格;相图

外文关键词：nanoparticle;interfacial self-assembly;theoretical simulation;superlattice;phase diagram

摘要：作为一种介尺度的“原子等价物”,聚合物接枝纳米粒子可自组装形成周期性有序的超晶格,是一类新颖的凝聚态物质。本文构建了聚合物接枝纳米粒子的粗粒化模型,采用Monte Carlo模拟方法研究了二元纳米粒子的界面自组装行为。模拟结果表明:二元纳米粒子界面自组装可形成多种类型的超晶格结构,例如AB、AB_(2)、AB_(3)和A_(4)B_(6)型等。通过改变界面作用强度、有效半径比以及纳米粒子间相互作用强度等参数可调控超晶格结构和类型。Monte Carlo模拟方法能重现二元纳米粒子界面自组装体系的实验结果,并发现了多种未曾报道的超晶格结构。
As a mesoscale“atomic analogue”,polymer-grafted nanoparticles can self-assemble into periodic ordered superlattices,representing a novel class of condensed matter.In this study,a coarse-grained model of polymer-grafted nanoparticles coupled with Monte Carlo method is proposed to investigate the interfacial self-assembly behaviors of binary nanoparticle systems.Monte Carlo simulation results demonstrate that binary nanoparticles,through interfacial self-assembly,can form various types of superlattices such as AB,AB_(2),AB_(3),and A_(4)B_(6) architectures.The types and architectures of these superlattices are effectively regulated by key parameters including interfacial interaction strength,effective radius ratio,and interparticle interaction intensity.Importantly,Monte Carlo simulation not only reproduces experimental observations of interfacial self-assembly of binary nanoparticles,but also reveals multiple previously unreported superlattice architectures.