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Influence of particle plasmon resonance on the photoluminescence of exciplex in organic semiconductor blend film
Author(s) -
Chunzeng Peng,
Xinping Zhang,
Hongmei Liu,
Feng Sheng-Fei
Publication year - 2010
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.59.5791
Subject(s) - photoluminescence , plasmon , excimer , materials science , surface plasmon resonance , exciton , resonance (particle physics) , particle (ecology) , optoelectronics , nanoparticle , molecular physics , atomic physics , optics , condensed matter physics , nanotechnology , fluorescence , chemistry , physics , oceanography , geology
We investigate in this paper the influence of the localized plasmon resonance of gold nano-island structure on the photoluminescence of the exciplex in the polymer blends. The experimental results show that when the particle plasmon resonance overlaps the photoluminescence spectrum of the exciplex,the corresponding emission intensity is enhanced significantly. Furthermore, alonger lifetime is observed with the exciplex emission. We propose that the localized electrical field induced by the particle plasmon resonance increaseds the exciton diffusion length and thus conduces to the formation of the exciplex in the phase separation interface.

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