期刊
APPLIED PHYSICS LETTERS
卷 100, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3675970
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资金
- NSFC [91027041, 61007020, 61107022, 61036009, 60937001]
- Natural Science Foundation of Jiangsu Province [BK2011280, BY2009007]
- 973 program [2010CB934500]
- 863 Program [2011AA03A110]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Surface plasmon-enhanced electroluminescence (EL) in an organic light-emitting diode is demonstrated by incorporating the synthesized Au nanoparticles (NPs) in the hole injection layer of poly(3,4-ethylene dioxythiophene): polystyrene sulfonic acid. An increase of similar to 25% in the EL intensity and efficiency are achieved for devices with Au NPs, whereas the spectral and electrical properties remain almost identical to the control device. Time-resolved photoluminescence spectroscopy reveals that the EL enhancement is ascribed to the increase in spontaneous emission rate due to the plasmonic near-field effect induced by Au NPs. (C) 2012 American Institute of Physics. [doi:10.1063/1.3675970]
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