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Title: Femtosecond polarized transient absorption spectroscopy of a C-3-symmetric amino-substituted phenylbenzene derivative
Authors: Latterini, L ×
De Belder, Gino
Schweitzer, Gerd
Van der Auweraer, Mark
De Schryver, Frans #
Issue Date: Jan-1998
Publisher: Elsevier science bv
Series Title: Chemical Physics Letters vol:295 issue:1-2 pages:11-16
Abstract: The excited-state relaxation processes of an amino-substituted triphenylbenzene derivative (p-EE;TP) and its biphenyl-model compound (p-EFBP) were investigated by femtosecond polarized transient absorption spectroscopy. The S-1-S-n absorption was detected upon pumping at 360 nm and probing at 470 nm. Both compounds presented a polarization-dependent component in the transient decay, For p-EFBP a decay time of 97 +/- 20 ps was obtained which agrees with the rotational diffusion time determined by time-resolved fluorescence anisotropy. For the symmetric p-EFTP a decay time of 8 +/- 2 ps was detected. This value correlates with the intramolecular dipole reorientation time deduced from time-resolved microwave conductivity measurements. (C) 1998 Elsevier Science B.V. All rights reserved.
ISSN: 0009-2614
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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