Enhanced light output from light emitting diodes with two-dimensional cone-shape nanostructured surface

被引：6
|
作者：
Wang, Benzhong [1 ]
Chua, Soo-Jin [1 ,2 ]
机构：
[1] ASTAR, Inst Mat Res & Engn, Singapore S117602, Singapore
[2] Dept Elect & Comp Engn, Singapore 117576, Singapore
来源：
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2013年 / 31卷 / 03期
关键词：
SHADOW NANOSPHERE LITHOGRAPHY; EXTERNAL QUANTUM EFFICIENCY; HIGH EXTRACTION EFFICIENCY; PHOTONIC CRYSTAL; SPONTANEOUS EMISSION;
D O I：
10.1116/1.4804406
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：
A simple, inexpensive and high throughput approach for creating two-dimensional cone-shaped nanostructures is reported. A self-assembled array of polystyrene nanospheres is employed as the primary mask to fabricate such structures on AlGaInP red light emitting diodes, resulting in over two times increase of light output power. An orderly array of cones show higher intensity emitted in the forward direction than one that is randomly arranged. (C) 2013 American Vacuum Society.
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页数：5
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