Journal
NANOTECHNOLOGY
Volume 21, Issue 20, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/21/20/205201
Keywords
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Funding
- Ministry of Land, Transport, and Maritime Affairs [20090006]
- Ministry of Education, Science and Technology (MEST) of Korea [R31-2008-000-10026-0]
- Korea government (MEST) [R15-2008-006-02001-0]
- Korea Institute of Marine Science & Technology Promotion (KIMST) [20090006] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2008-0062150] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We demonstrate the surface plasmon-enhanced blue light-emitting diodes (LEDs) using Ag nanoparticles embedded in p-GaN. A large increase in optical output power of 38% is achieved at an injection current of 20 mA due to an improved internal quantum efficiency of the LEDs. The enhancement of optical output power is dependent on the density of the Ag nanoparticles. This improvement can be attributed to an increase in the spontaneous emission rate through resonance coupling between the excitons in multiple quantum wells and localized surface plasmons in Ag nanoparticles embedded in p-GaN.
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