Ultrafast Förster transfer dynamics in tetraphenylporphyrin doped poly(9,9-dioctylfluorene)

G. Cerullo; S. Stagira; M. Zavelani-Rossi; S. De Silvestri; T. Virgili; D. G. Lidzey; D. D.C. Bradley

doi:10.1016/S0009-2614(01)00005-7

Ultrafast Förster transfer dynamics in tetraphenylporphyrin doped poly(9,9-dioctylfluorene)

G. Cerullo, S. Stagira, M. Zavelani-Rossi, S. De Silvestri, T. Virgili, D. G. Lidzey, D. D.C. Bradley

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Abstract

Femtosecond pump-probe spectroscopy was used to directly monitor, in the time domain, energy transfer from the blue-emitting poly(9,9-dioctylfluorene) conjugated polymer to the red-emitting tetraphenylporphyrin molecule. This system is under investigation for use as saturated red light-emitting component in an organic full-color display. The differential transmission spectrum of the system evolves, within a few picoseconds after photoexcitation, from that of the host polymer to that of the guest molecule. Experiments performed at different acceptor concentrations provide clear evidence for a Förster energy transfer mechanism and allow a determination of the interaction radius. A value of 4.2±0.2 nm was found. © 2001 Elsevier Science B.V.

Original language	English (US)
Journal	Chemical Physics Letters
Volume	335
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(01)00005-7
State	Published - Feb 16 2001
Externally published	Yes

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title = "Ultrafast F{\"o}rster transfer dynamics in tetraphenylporphyrin doped poly(9,9-dioctylfluorene)",

abstract = "Femtosecond pump-probe spectroscopy was used to directly monitor, in the time domain, energy transfer from the blue-emitting poly(9,9-dioctylfluorene) conjugated polymer to the red-emitting tetraphenylporphyrin molecule. This system is under investigation for use as saturated red light-emitting component in an organic full-color display. The differential transmission spectrum of the system evolves, within a few picoseconds after photoexcitation, from that of the host polymer to that of the guest molecule. Experiments performed at different acceptor concentrations provide clear evidence for a F{\"o}rster energy transfer mechanism and allow a determination of the interaction radius. A value of 4.2±0.2 nm was found. {\textcopyright} 2001 Elsevier Science B.V.",

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AU - Cerullo, G.

AU - Stagira, S.

AU - Zavelani-Rossi, M.

AU - De Silvestri, S.

AU - Virgili, T.

AU - Lidzey, D. G.

AU - Bradley, D. D.C.

N1 - Generated from Scopus record by KAUST IRTS on 2019-11-27

PY - 2001/2/16

Y1 - 2001/2/16

N2 - Femtosecond pump-probe spectroscopy was used to directly monitor, in the time domain, energy transfer from the blue-emitting poly(9,9-dioctylfluorene) conjugated polymer to the red-emitting tetraphenylporphyrin molecule. This system is under investigation for use as saturated red light-emitting component in an organic full-color display. The differential transmission spectrum of the system evolves, within a few picoseconds after photoexcitation, from that of the host polymer to that of the guest molecule. Experiments performed at different acceptor concentrations provide clear evidence for a Förster energy transfer mechanism and allow a determination of the interaction radius. A value of 4.2±0.2 nm was found. © 2001 Elsevier Science B.V.

AB - Femtosecond pump-probe spectroscopy was used to directly monitor, in the time domain, energy transfer from the blue-emitting poly(9,9-dioctylfluorene) conjugated polymer to the red-emitting tetraphenylporphyrin molecule. This system is under investigation for use as saturated red light-emitting component in an organic full-color display. The differential transmission spectrum of the system evolves, within a few picoseconds after photoexcitation, from that of the host polymer to that of the guest molecule. Experiments performed at different acceptor concentrations provide clear evidence for a Förster energy transfer mechanism and allow a determination of the interaction radius. A value of 4.2±0.2 nm was found. © 2001 Elsevier Science B.V.

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VL - 335

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-2

ER -

Ultrafast Förster transfer dynamics in tetraphenylporphyrin doped poly(9,9-dioctylfluorene)

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