標題: Electrically driven green, olivine, and amber color nanopyramid light emitting diodes
作者: Chang, Shih-Pang
Chang, Jet-Rung
Sou, Kuok-Pan
Liu, Mei-Chun
Cheng, Yuh-Jen
Kuo, Hao-Chung
Chang, Chun-Yen
電子工程學系及電子研究所
光電工程學系
Department of Electronics Engineering and Institute of Electronics
Department of Photonics
公開日期: 7-Oct-2013
摘要: We report the fabrication and studies of electrically driven green, olivine, and amber color nanopyramid GaN light emitting diodes (LEDs). InGaN/GaN multiple quantum wells (MQWs) were grown on the nanopyramid semipolar facets. Compared with the commonly used (0001) c-plane MQWs, the semipolar facet has lower piezoelectric field, resulting in much faster radiative recombination efficiency. This is important for high In content MQWs. The measured internal quantum efficiencies for green, olivine, and amber color LED are 30%, 25%, and 21%, respectively. The radiative and non-radiative lifetime of the semipolar MQWs are also investigated. (C) 2013 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.21.023030
http://hdl.handle.net/11536/22989
ISSN: 1094-4087
DOI: 10.1364/OE.21.023030
期刊: OPTICS EXPRESS
Volume: 21
Issue: 20
起始頁: 23030
結束頁: 23035
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