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Colloidal monolayer self-assembly and its simulation via cellular automaton model |
Wu Yi-Zhi (吴以治), Chen Chen (陈晨), Xu Xiao-Liang (许小亮), Liu Yun-Xi (刘赟夕), Shao Wei-Jia (邵伟佳), Yin Nai-Qiang (尹乃强), Zhang Wen-Ting (张文婷), Ke Jia-Xin (柯佳鑫), Fang Xiao-Tian (方啸天) |
Department of Physics, University of Science and Technology of China, Hefei 230026, China |
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Abstract 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.
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Received: 13 March 2014
Revised: 08 April 2014
Accepted manuscript online:
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PACS:
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87.15.A-
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(Theory, modeling, and computer simulation)
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81.16.-c
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(Methods of micro- and nanofabrication and processing)
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81.07.-b
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(Nanoscale materials and structures: fabrication and characterization)
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87.15.nt
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(Crystallization)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 81172082) and Anhui Provincial Scientific and Technological Project of China (Grant No. 12010202035). |
Corresponding Authors:
Xu Xiao-Liang
E-mail: xlxu@ustc.edu.cn
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Cite this article:
Wu Yi-Zhi (吴以治), Chen Chen (陈晨), Xu Xiao-Liang (许小亮), Liu Yun-Xi (刘赟夕), Shao Wei-Jia (邵伟佳), Yin Nai-Qiang (尹乃强), Zhang Wen-Ting (张文婷), Ke Jia-Xin (柯佳鑫), Fang Xiao-Tian (方啸天) Colloidal monolayer self-assembly and its simulation via cellular automaton model 2014 Chin. Phys. B 23 088703
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