Opal Shell Structures: Direct Assembly versus Inversion Approach

被引：2

作者：

Deng, Tian-Song ^{[1
]}

Sharifi, Parvin ^{[1
]}

Marlow, Frank ^{[1
,2
]}

机构：

[1] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany

[2] Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, Duisburg, Germany

来源：

CHEMPHYSCHEM | 2013年 / 14卷 / 13期

关键词：

direct assembly; hollow silica shells; inverse opal; opaline systems; shell structures; PHOTONIC CRYSTALS; BANDGAP; SPHERES; GROWTH; ARRAYS;

D O I：

10.1002/cphc.201300456

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Opal shell structures can be fabricated in two ways: By direct assembly from hollow spheres (hs-opal) or by infiltration of precursors into opal templates and inversion. The resulting lattice disturbances were characterized by scanning electron microscopy (SEM), optical microscopy, and transmission spectra. The hs-opal system shows much lower disturbances, for example, a lower number of cracks and lattice deformations. The strong suppression of crack formation in one of these inverse opal structures can be considered as promising candidates for the fabrication of more perfect photonic crystals.

引用

页码：2893 / 2896

页数：4

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