Colloidal monolayer self-assembly and its simulation via cellular automaton model

Colloidal monolayer self-assembly and its simulation via cellular automaton model
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胶体单层自组装及其元胞自动机模型模拟

DOI:
10.1088/1674-1056/23/8/088703
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发表时间:
2014-08
期刊:
影响因子:
1.7
通讯作者:
Fang Xiao-Tian
Fang Xiao-Tian
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Yin Nai-Qiang;Zhang Wen-Ting;Ke Jia-Xin;Fang Xiao-Tian

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首次采用自旋镀膜和热处理相结合的方法制备了由SiO2球组成的晶圆级胶体单层。此外,还介绍了一种描述胶体单层自组装过程的元胞自动机模型。我们不是模拟分子的自组装来建立最有利的能量位置,而是通过调整细胞自动机的几个简单的过渡规则来重建胶体单层的自组装。该模型捕捉了SiO2球的主要自组装特征,包括实验处理时间、形貌和一些统计数据。该方法具有计算量少、效率高的优点,为模拟介观系统开辟了一条新的途径。
A wafer-scale colloidal monolayer consisting of SiO2 spheres is fabricated by a method combining spin coating and thermal treatment for the first time. Moreover, a new cellular automaton model describing the self-assembly process of the colloidal monolayer is introduced. Rather than simulate molecular self-assembly to establish the most energetically favored position, we reconstruct the self-assembly of the colloidal monolayer by adjusting several simple transition rules of a cellular automaton. This model captures the main self-assembly characteristics of SiO2 spheres, including experimental processing time, morphology, and some statistics. It possesses the advantage of less calculation and higher efficiency, paving a new way to simulate a mesoscopic system.
DOI: 10.1021/la00013a004
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