High output power density from GaN-based two-dimensional nanorod light-emitting diode arrays

Ya Ju Lee*, Shawn Yu Lin, Ching Hua Chiu, Tien Chang Lu, Hao Chung Kuo, Shing Chung Wang, Sameer Chhajed, Jong Kyu Kim, E. Fred Schubert

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

43 引文 斯高帕斯(Scopus)

摘要

Here we propose and realize a scheme for making a direct contact to a two-dimensional nanorod light-emitting diode (LED) array using the oblique-angle deposition approach. And, more importantly, we demonstrate highly efficient electrical carrier injection into the nanorods. As a result, we show that at a 20 mA dc current injection, the light output power density of our nanorod LED array is 3700 mW cm-2. More general, this contact scheme will pave the ways for making direct contacts to other kinds of nanoscale optoelectronic devices.

原文英語
文章編號141111
期刊Applied Physics Letters
94
發行號14
DOIs
出版狀態已發佈 - 2009

ASJC Scopus subject areas

  • 物理與天文學(雜項)

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