A colloidal crystal double-heterostructure fabricated with the angle controlled inclined deposition method

A self-assembly method, named the angle controlled inclined deposition method, is developed for fabricating well- ordered silica and polystyrene colloidal crystals. A high-quality colloidal crystal with a flat and uniform surface over a large area can be produced rapidly using a minute quantity of s...

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Bibliographic Details
Published in:Chinese physics B 2012-07, Vol.21 (7), p.546-550
Main Author: 陈泽锋 熊予莹 韩鹏 陈溢杭 肖化
Format: Article
Language:English
Subjects:
Colloids
Crystals
Deposition
Flats
Photonic crystals
Polystyrene resins
Self assembly
Simulation
Stacking
光子带隙
制作
双异质结
沉积法
组装方法
聚苯乙烯
胶体晶体
角度控制
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Summary:A self-assembly method, named the angle controlled inclined deposition method, is developed for fabricating well- ordered silica and polystyrene colloidal crystals. A high-quality colloidal crystal with a flat and uniform surface over a large area can be produced rapidly using a minute quantity of suspension and without any additional equipment. By controlling the inclined angle, we can fabricate colloidal crystals with diverse numbers of layers. A colloidal crystal double-heterostructure （composed of three different colloidal photonic crystals） can be rapidly fabricated with this method. Both experimental and simulation results show that the photonic band gap of the double-heterostructure is not a simple superposition of that of the compositional colloidal crystals along the stacking direction.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/7/078103