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Prediction of efficient energy transfer in emissive polymer blends based on Förster radius and the excited state lifetime of acceptors by Jae-Woong Yu; Jai Kyeong Kim; Dong Young Kim; Chulhee Kim; Nam Woong Song; Dongho Kim is a Materials Science article available to read on EtoBox.
What is Prediction of efficient energy transfer in emissive polymer blends based on Förster radius and the excited state lifetime of acceptors about?
The energy transfer process upon photoexcitation in binary polymer blends with different donor/acceptor pairs were investigated with the aid of the steady-state and time-resolved photoluminescence methods. The observed differences in the energy transfer efficiency are not fully explained by the Fo ̈rster radius, deduced from the spectral overlap calculation. The order of energy transfer efficiencies for different donor/acceptor pairs does not follow the sequence of Fo ̈rster radius, particularly for the acceptors having relatively long PL lifetimes. Hence, an alternative simple model is proposed to account for the order of energy transfer efficiency, which is to include the effect of the acceptor PL lifetime, specifically in the presence of excess donor. Such is the case with usual polymer LED devices.
Who reads Prediction of efficient energy transfer in emissive polymer blends based on Förster radius and the excited state lifetime of acceptors?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Jae-Woong Yu; Jai Kyeong Kim; Dong Young Kim; Chulhee Kim; Nam Woong Song; Dongho Kim
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 1567-1739)
- Published
- 2006
- Language
- EN
- Field
- Materials Science (Physical Sciences)