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

    Author(s)
    Wan, Yong
    Cai, Zhongyu
    Xia, Linhua
    Wang, Likui
    Li, Yanqiang
    Li, Qin
    Zhao, XS
    Griffith University Author(s)
    Li, Qin
    Year published
    2009
    Metadata
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    Abstract
    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.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.
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    Journal Title
    Materials Letters
    Volume
    63
    Issue
    24-25
    DOI
    https://doi.org/10.1016/j.matlet.2009.06.034
    Subject
    Physical sciences
    Chemical sciences
    Engineering
    Powder and particle technology
    Publication URI
    http://hdl.handle.net/10072/62094
    Collection
    • Journal articles

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