Self-assembled colloidal photonic crystals

被引：13
|
作者：
Kopnov, F [1 ]
Lirtsman, V [1 ]
Davidov, D [1 ]
机构：
[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel
来源：
SYNTHETIC METALS | 2003年 / 137卷 / 1-3期
关键词：
photonic crystal; stop band; nanoparticles; Bragg diffraction;
D O I：
10.1016/S0379-6779(02)00839-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We fabricated colloidal photonic crystals for visible and near-infra-red range using different colloidal particles (polystyrene (PS) beads, silica beads and core/shell PS/PPV beads) with size ranging from 240 to 710 nm. SEM images indicate ordered structures, with few defects. All the ordered structures exhibit a clear "stop band" as well as some evidence for higher order bands in light transmission experiments. The position of the stop-band scales nicely with particles size. We studied also the photoluminescence (PL) of poly(phenylenevinylene) (PPV) included into the photonic crystals.
引用
收藏
页码：993 / 995
页数：3
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