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Title: Direct proof of electron transfer in a rigid first generation triphenyl amine core dendrimer substituted with a peryleneimide acceptor
Authors: Lor, Marc ×
Jordens, Sven
De Belder, G
Schweitzer, Gerd
Fron, Eduard
Viaene, Lucien
Cotlet, Mircea
Weil, T
Mullen, K
Verhoeven, JN
Van der Auweraer, Mark
De Schryver, Frans #
Issue Date: Jan-2003
Publisher: Royal soc chemistry
Series Title: Photochemical & photobiological sciences vol:2 issue:5 pages:501-510
Abstract: The combination of nanosecond transient absorption experiments and single photon timing experiments proved the Occurrence of all electron transfer process in the triphenyl amine core dendrimer, NIP1, by demonstrating the presence of an ion-pair absorption for NIP1 in solvents of medium polarity. By means of femtosecond transient absorption measurements the rise time of this ion-pair absorption dominated by the radical anion absorption could be determined. resulting in a value of 180 ps in MeTHF and 138 ps in THF. Furthermore, in femtosecond fluorescence upconversion as well as in monochromatic femtosecond transient absorption, a few ps component was resolved which was assigned to a vibrational and solvent relaxation process of the locally excited singlet state of the peryleneimide.
ISSN: 1474-905X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Chemistry - miscellaneous
× corresponding author
# (joint) last author

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