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Ultrafast Photoluminescence of a highly luminescent PPV derivative

Cited 2 time in Web of Science Cited 3 time in Scopus
Authors
Ahn, Y. H.; Kim, D. S.; Park, J. Y.; Park, Y. W.; Lee, Changhee; Hwang, D. H.; Zyung, T.
Issue Date
1999-05
Publisher
Elsevier
Citation
Synth. Met.101 (1999) 242
Keywords
PhotoluminescenceElectroluminescencePoly(pphenylenevinylene)
Abstract
We have studied the temporal and spectral evolution of the photoluminescence (PL) in a highly luminescent poly(2,5bis (dimethyloctylsilyl)-1,4-phenylenevinylene) in the temperature range between 12 and 300 K using the ps time-resolved PL system. The PL spectra are narrower compared with an absorption spectrum and show a red-shift as time progresses after photoexcitation, implying that excitons are generated in a distribution of conjugation lengths and migrate towards longer conjugated segments.
ISSN
0379-6779
Language
English
URI
https://hdl.handle.net/10371/13718
DOI
https://doi.org/10.1016/S0379-6779(98)01356-3
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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