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          Institute: MPI für Polymerforschung     Collection: MPI Polymerforschung     Display Documents

ID: 51102.0, MPI für Polymerforschung / MPI Polymerforschung
Direct proof of electron transfer in a rigid first generation triphenyl amine core dendrimer substituted with a peryleneimide acceptor
Authors:Lor, M.; Jordens, S.; De Belder, G.; Schweitzer, G.; Fron, E.; Viaene, L.; Cotlet, M.; Weil, T.; Müllen, Klaus; Verhoeven, J. W.; Van der Auweraer, M.; De Schryver, F. C.
Date of Publication (YYYY-MM-DD):2003-05
Title of Journal:Photochemical & Photobiological Sciences
Journal Abbrev.:Photochem. Photobiol. Sci.
Issue / Number:5
Start Page:501
End Page:510
Review Status:not specified
Audience:Not Specified
Abstract / Description: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.
Comment of the Author/Creator:Date: 2003, MAY
External Publication Status:published
Document Type:Article
Affiliations:MPI für Polymerforschung
External Affiliations:Katholieke Univ Leuven, Dept Chem, B-3001 Heverlee, Belgium.
Identifiers:ISI:000183275700008 [ID No:1]
ISSN:1474-905X [ID No:2]
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