Enhancement in external quantum efficiency of blue light-emitting diode by photonic crystal surface grating

被引：44

作者：

Kim, T ^{[1
]}

Danner, AJ ^{[1
]}

Choquette, KD ^{[1
]}

机构：

[1] Univ Illinois, Micro & Nanotechnol Lab, Urbana, IL 61801 USA

来源：

ELECTRONICS LETTERS | 2005年 / 41卷 / 20期

关键词：

D O I：

10.1049/el:20052643

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Blue photonic crystal light-emitting diodes were evaluated with photonic crystal hole patterns. The diameter of the holes, lattice constant, and emission wavelength were selected to be 110, 220 and 450 nm, respectively, to attain a maximum enhancement in the wall-plug efficiency. The improvement in external quantum efficiency was 30-50%. Changes in voltage characteristics caused by the etched holes were found to be correlated with increased leakage current.

引用

页码：1138 / 1139

页数：2

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