Ag/SiO2 nanoparticle-based plasmonic enhancement of light output in nanohole-patterned InGaN/GaN blue light-emitting diodes
- Authors
- Yun, Jin-Hyeon; Kim, Kyu Cheol; Yu, Yeon Tae; Yang, Jin Kyu; Polyakov, Alexander Y.; Lee, In-Hwan
- Issue Date
- 10월-2017
- Publisher
- IOP PUBLISHING LTD
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, v.56, no.10
- Indexed
- SCIE
SCOPUS
- Journal Title
- JAPANESE JOURNAL OF APPLIED PHYSICS
- Volume
- 56
- Number
- 10
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/81991
- DOI
- 10.7567/JJAP.56.100305
- ISSN
- 0021-4922
- Abstract
- Improved performance of blue InGaN/GaN light-emitting diodes (LEDs) is realized as a result of fabricating nanohole patterns in the p-GaN contact layer and embedding the nanoholes with Ag/SiO2 nanoparticles to generate localized surface plasmons (LSPs). Good matching between LSP resonance energy and LED emission energy together with the close proximity between nanoparticles and the active region results in strong coupling between them. Consequently, the photoluminescence and electroluminescence intensities increased to 1.75 and 1.10, respectively, compared with nanohole patterned reference LEDs. (C) 2017 The Japan Society of Applied Physics
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