聚合物纳米复合电介质界面功能原子力显微镜的研究进展

IF 2.8 4区 工程技术 Q2 POLYMER SCIENCE
Ting Tian, Hongwei Lu, Shijia Yang, Jinqi Qin, Shile Ma, Jingyi Meng, Yuxuan Huang, Linsheng Yang, Haiyang Mao, Weitao Su
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引用次数: 0

摘要

界面是影响聚合物纳米复合电介质宏观特性的最重要因素之一。然而,界面研究仍面临诸多挑战,如界面微观结构的演化机理、界面相容性、界面极化以及结晶的内部机理等。由于缺乏对界面的直接观察和表征,理论研究受到严重阻碍。纳米电介质中嵌入的纳米粒子和界面区对电荷传输和积累的影响仍不清楚。由于纳米级界面超出了传统分析技术的空间分辨率,因此对聚合物纳米复合材料界面电荷行为的理解主要依赖于推测和间接的实验结果。原子力显微镜(AFM)作为一种纳米级高分辨率测量仪器,已成为研究聚合物纳米复合电介质界面微区的重要手段。本文综述了各种界面模型和功能 AFM 在界面结构、电荷传输和界面极化方面的最新研究进展。图文摘要 纳米电介质显示出优异的介电性能,许多学者试图从不同角度解释这一现象,其中纳米粒子与聚合物基体之间的界面效应引起了研究人员的极大兴趣。然而,由于界面区的复杂性,无法直观地获得界面区聚合物链与纳米粒子之间的微观结构和相互作用机理,因此研究人员提出了不同的界面模型来推测和解释纳米复合材料的宏观特性。如扩散电双层模型、多核模型、相间体积模型、双层模型、水壳模型、多区结构模型、渗透理论模型、三维静电模型、深陷模型等。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Research progress of functional atomic force microscopy at the interface of polymer nanocomposite dielectrics

Research progress of functional atomic force microscopy at the interface of polymer nanocomposite dielectrics

The interface is one of the most important factors affecting the macroscopic properties of polymer nanocomposite dielectrics. However, the study of the interface still faces many challenges, such as the evolution mechanism of the interface microstructure, interface compatibility, interface polarization, and the internal mechanism of crystallization. Due to the lack of direct observation and characterization of the interface, the theoretical research is seriously hindered. The influence of the nanoparticles embedded in the nanodielectric and the interfacial region on charge transport and accumulation is still unclear. Since the nanoscale interface is beyond the spatial resolution of traditional analytical techniques, the understanding of the interfacial charge behavior of polymer nanocomposites is largely dependent on speculation and indirect experimental results. Atomic force microscopy (AFM), as a nanometer high-resolution measuring instrument, has become an important means to study the interfacial microregions of polymer nanocomposite dielectrics. In this paper, the latest research progress of various interface models and functional AFM in interface structure, charge transport, and interface polarization are reviewed. The existing problems and possible development directions in the future are also discussed.

Graphical Abstract

Nanodielectrics show excellent dielectric properties, and many scholars try to explain this phenomenon from different angles, among which, the interface effect between nanoparticles and polymer matrix has aroused great interest of researchers. However, due to the complexity of the interface region, it is impossible to intuitively obtain the microstructure and interaction mechanism between the polymer chain and the nanoparticles in the interface region, so researchers have proposed different interface models to speculate and explain the macroscopic properties of the nanocomposites. Such as diffusion electric double layer model, multi-core model, interphase volume model, double layer model, water shell model, multi-zone structure model, penetration theory model, three-dimensional electrostatic model, deep trap model, etc.

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来源期刊
Macromolecular Research
Macromolecular Research 工程技术-高分子科学
CiteScore
4.70
自引率
8.30%
发文量
100
审稿时长
1.3 months
期刊介绍: Original research on all aspects of polymer science, engineering and technology, including nanotechnology Presents original research articles on all aspects of polymer science, engineering and technology Coverage extends to such topics as nanotechnology, biotechnology and information technology The English-language journal of the Polymer Society of Korea Macromolecular Research is a scientific journal published monthly by the Polymer Society of Korea. Macromolecular Research publishes original researches on all aspects of polymer science, engineering, and technology as well as new emerging technologies using polymeric materials including nanotechnology, biotechnology, and information technology in forms of Articles, Communications, Notes, Reviews, and Feature articles.
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