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Enhanced Performance of Blue Light-Emitting Diodes With InGaN/GaN Superlattice as Hole Gathering Layer

✍ Scribed by Chao Liu; Taiping Lu; Lejuan Wu; Hailong Wang; Yian Yin; Guowei Xiao; Yugang Zhou; Shuti Li

Book ID
115502280
Publisher
IEEE
Year
2012
Tongue
English
Weight
305 KB
Volume
24
Category
Article
ISSN
1041-1135

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## Abstract InGaN/GaN blue light‐emitting diodes (LEDs) on sapphire substrates with a SiO~2~/TiO~2~ Bragg reflector were fabricated. The deposited SiO~2~/TiO~2~ Bragg reflectors exhibit a high reflectivity of up to nearly 96.9% at about 460 nm. When the InGaN/GaN LEDs with a SiO~2~/TiO~2~ Bragg ref