Colloidal photonic crystals with a graded lattice-constant distribution |
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| Authors: | Jian Li Longjian Xue Zhe Wang Yanchun Han |
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| Affiliation: | (1) State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Graduate School of the Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, People’s Republic of China |
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| Abstract: | In this work, a gradient polystyrene colloidal photonic crystal was fabricated by annealing in a graded temperature field. The lattice constant of the gradient crystal gradually varied along the temperature-gradient direction. The positional bandgap wavelength as well as the attenuation of the bandgap wavelength could be tuned dependent on the position of the gradient colloidal crystal along the gradient direction because of the lattice-constant variation. |
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| Keywords: | Colloidal crystal Photonic crystal Gradient |
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