Simulation and fabrication of binary colloidal photonic crystals and their inverse structures

被引:27
|
作者
Wan, Yong [1 ,2 ]
Cai, Zhongyu [3 ]
Xia, Linhua [1 ,2 ]
Wang, Likui [3 ]
Li, Yanqiang [2 ]
Li, Qin [4 ]
Zhao, X. S. [2 ,3 ]
机构
[1] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Inst Multifunct Mat IMM, Lab New Fibre Mat & Modern Text, Growing Basis State Key Lab, Qingdao 266071, Peoples R China
[3] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore
[4] Curtin Univ Technol, Dept Chem Engn, Perth, WA 6845, Australia
基金
中国国家自然科学基金; 澳大利亚研究理事会;
关键词
Photonic bandgap; Binary colloidal crystals; Binary inverse opal; Horizontal deposition;
D O I
10.1016/j.matlet.2009.06.034
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Theoretical and experimental investigations have demonstrated that full bandgaps are not easy to achieve in the face-centered cubic (fcc) unary and binary structures; even for unary inverse opals with high refractive index network, the bandgaps are not as large as 1D or 2D structures. In this work, we simulated the bandgap of a binary inverse opal. which is over 16% larger than that of a unary inverse crystal. Two kinds of binary colloidal crystals and their inverse structures have been fabricated by a horizontal deposition method. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:2078 / 2081
页数:4
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