Enhanced emission from Si-based light-emitting diodes using surface plasmons

被引：283

作者：

Pillai, S ^{[1
]}

Catchpole, KR ^{[1
]}

Trupke, T ^{[1
]}

Zhang, G ^{[1
]}

Zhao, J ^{[1
]}

Green, MA ^{[1
]}

机构：

[1] Univ New S Wales, Ctr Excellence Adv Silicon Photovolta & Photon, Sydney, NSW 2052, Australia

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 16期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1063/1.2195695

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Excitation of surface plasmons on metallic nanoparticles has potential for increasing the absorption and emission from thin Si devices. We report an eight-fold enhancement in electroluminescence from silicon-on-insulator light-emitting diodes at 900 nm via excitation of surface plasmon resonance in silver nanoparticles, along with a redshift in the electroluminescence by 70 nm by overcoating the nanoparticles with ZnS. The enhancement is due to coupling between the electromagnetic excitations of the silver nanoparticles and the waveguide modes.

引用

页数：3

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