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Enhanced output efficiency of GaN-based light-emitting diodes by silver nanowires-induced localized surface plasmon

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Title
Enhanced output efficiency of GaN-based light-emitting diodes by silver nanowires-induced localized surface plasmon
Author(s)
Oh, Munsik; Hyeon Jun Jeong; Mun Seok Jeong; Kim, Hyunsoo
Publication Date
2023-09
Journal
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.83, no.5, pp.365 - 371
Publisher
KOREAN PHYSICAL SOC
Abstract
The authors investigated the localized surface plasmon (LSP)-enhanced light output efficiency of GaN-based light-emitting diodes (LEDs) fabricated with indium-tin-oxide (ITO)/silver nanowire (AgNWs) transparent conductive electrodes (TCEs). The ITO/AgNWs TCE yielded optical transmittance of 91.7% at a wavelength of 450 nm, a sheet resistance of 16.4 omega/sq, and a specific contact resistance of 1.3 x 10(-3) omega cm(2). Notably, the LEDs fabricated with ITO/AgNWs TCE showed 51.5% greater output power than the reference LEDs fabricated with ITO TCE. This could be due to the combined effects of higher optical transparency and, more importantly, vertical out-coupling of the localized surface plasmon (LSP) resonance with the trapped wave-guided mode of light.
URI
https://pr.ibs.re.kr/handle/8788114/13930
DOI
10.1007/s40042-023-00830-w
ISSN
0374-4884
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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