Effect of the p-type GaN thickness on the near-ultraviolet light-emitting diodes

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초록

We analyzed the influence of the p-type GaN layer thickness on the 380nm band near-ultraviolet light-emitting diodes. Both electrical and optical characteristics of the LEDs were getting worse p-type GaN layer thickness increases with growth time. We suggest that the possible degradation mechanisms of characteristics are due to the increase of the non-radiative (NR) recombination rate in the active region as a result of thermal damage during p-type GaN layer growth process. © 2015 IEEE.

키워드

Degradation; III-V semiconductors; Light emitting diodes; Ultraviolet radiation; Active regions; Degradation mechanism; Growth time; Near-ultraviolet light-emitting diode; Non-radiative; Optical characteristics; Recombination rate; Thermal damage; Gallium nitride
제목
Effect of the p-type GaN thickness on the near-ultraviolet light-emitting diodes
저자
Choi, Hyo-Shik; Shin, Dong Soo; Shim, Jong In
DOI
10.1109/CLEOPR.2015.7376086
발행일
2016-01
유형
Conference Paper
저널명
2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
권
2
페이지
1 ~ 2