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Title: Dynamic process in a hexameric benzo-porphyrin studied by femtosecond transient absorption
Authors: Schweitzer, Gerd ×
De Belder, Gino
Latterini, L
Karni, Y
Rowan, AE
Nolte, RJM
De Schryver, Frans #
Issue Date: Jan-1999
Publisher: Elsevier science bv
Series Title: Chemical Physics Letters vol:303 issue:3-4 pages:261-267
Abstract: The fast kinetics of a hexameric benzo-porphyrin compound was investigated by femtosecond transient absorption spectroscopy. Using polychromatic detection, a sequence of spectra acquired at different delays revealed complex kinetic processes on the timescale of approximately 20 ps. The samples were then investigated at selected wavelengths by using a dual-colour femtosecond pump-probe setup. The same sequence of measurements was carried out under identical conditions on a benzo-porphyrin model sample. The comparison of the transient absorption decays recorded for both compounds revealed that only in the hexamer a 20 ps decay component is present which is attributed to an intramolecular interchromophoric excited-state process. (C) 1999 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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