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Controlled Colloidal Assembly: Experimental Modeling of General Crystallization and Biomimicking of Structural Color

机译：受控胶体组装：一般结晶和结构颜色的仿生实验模型

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摘要

This paper aims to give an overview on the recent progress of controlled colloidal assembly as a unique experimental modeling system to study the general crystallization mechanism, i.e., the kinetics of nucleation, growth, and defects formation, and as a template for photonic crystals engineering. Such a system allows us not only to visualize some "atomic" details of the nucleation and surface process of crystallization, but also to treat quantitatively the previous models to an extent that has never been achieved before by other approaches. As such, the kinetic process of nucleation was quantitatively examined at the single particle level for the first time, allowing the identification of the deviations from the classical theories. The application of the electrically controlled colloidal crystallization to the modeling of the kinetics of some important processes of crystallization, i.e., multistep crystallization, supersaturation-driven structural mismatch nucleation, defect creation and migration kinetics, surface roughening, etc., has brought our knowledge to a new phase. Apart from the fundamental aspects, the controlled colloidal crystallization has attracted significant attention in many applications. In this regard, the application of colloidal crystallization to the fabrication of photonic crystals and the biomimicking of natural structure colors will be examined.
机译：本文旨在概述可控胶体组装作为一种独特的实验建模系统的最新进展，以研究一般的结晶机理，即成核，生长和缺陷形成的动力学，并作为光子晶体工程的模板。这样的系统不仅使我们可以看到结晶的成核和表面过程的一些“原子”细节，而且可以定量地处理以前的模型，其程度是其他方法从未达到的。因此，首次在单个粒子水平上对成核的动力学过程进行了定量检查，从而可以确定与经典理论的偏差。电控制胶体结晶在一些重要结晶过程动力学建模中的应用，即多步结晶，过饱和驱动的结构失配成核，缺陷产生和迁移动力学，表面粗糙化等，使我们的知识得以发展。一个新阶段。除了基本方面之外，受控胶体结晶在许多应用中引起了极大的关注。在这方面，将研究胶体结晶在光子晶体制造中的应用以及自然结构颜色的仿生。

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  • 来源
    《Advanced Functional Materials》 |2012年第7期|p.1354-1375|共22页
  • 作者

    Ying Ying Diao; Xiang Yang Liu;

  • 作者单位

    Department of Physics and Department of Chemistry National University of Singapore 2 Science Drive 3, Singapore 11 7542;

    Department of Physics and Department of Chemistry National University of Singapore 2 Science Drive 3, Singapore 11 7542;

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