Dual-Wavelength Light Emission from CdSe/ZnS Quantum Dots on Blue Light-Emitting Diodes

Title
Dual-Wavelength Light Emission from CdSe/ZnS Quantum Dots on Blue Light-Emitting Diodes
Authors
서태훈박아현이슬비이건희김명종서은경
Keywords
Quantum Dots; Light-Emitting Diodes
Issue Date
2015-12
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 15, NO 12, 10037-10040
Abstract
We fabricated light-emitting device by using CdSe/ZnS quantum dots (QDs) on InGaN/GaN blue light-emitting diodes (LEDs) for converting blue emission into green emission. By adding Au nanoparticles (ANPs) to generate localized surface plasmon mode, the integrated intensity of green emission of LEDs with CdSe/ZnS QDs on ANPs is enhanced by about 55%, without any drawback in electrical characteristics of LEDs. This result is attributed to an increased conversion efficiency by resonance coupling between localized surface plasmons in ANPs and excitons in CdSe/ZnS QDs.
URI
http://pubs.kist.re.kr/handle/201004/58326
ISSN
15334880
Appears in Collections:
KIST Publication > Article
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