Indium oxide inverse opal films synthesized by structure replication method

被引:7
|
作者
Amrehn, Sabrina [1 ]
Berghoff, Daniel [2 ]
Nikitin, Andreas [2 ]
Reichelt, Matthias [2 ]
Wu, Xia [1 ]
Meier, Torsten [2 ]
Wagner, Thorsten [1 ]
机构
[1] Univ Paderborn, Dept Chem, Fac Sci, Warburger Str 100, D-33098 Paderborn, Germany
[2] Univ Paderborn, Dept Phys, Fac Sci, Warburger Str 100, D-33098 Paderborn, Germany
关键词
Photonic crystal; Indium oxide; Inverse opal; Band gap calculations; Structure replication; PHOTONIC CRYSTAL; MESOPOROUS IN2O3;
D O I
10.1016/j.photonics.2016.02.005
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We present the synthesis of indium oxide (In2O3) inverse opal films with photonic stop bands in the visible range by a structure replication method. Artificial opal films made of poly(methyl methacrylate) (PMMA) spheres are utilized as template. The opal films are deposited via sedimentation facilitated by ultrasonication, and then impregnated by indium nitrate solution, which is thermally converted to In2O3 after drying. The quality of the resulting inverse opal film depends on many parameters; in this study the water content of the indium nitrate/PMMA composite after drying is investigated. Comparison of the reflectance spectra recorded by vis-spectroscopy with simulated data shows a good agreement between the peak position and calculated stop band positions for the inverse opals. This synthesis is less complex and highly efficient compared to most other techniques and is suitable for use in many applications. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:55 / 63
页数:9
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