Probing the Influence of O2 on Photoinduced Reversible Electron Transfer in Perylenediimide–Triphenylamine-Based Dendrimers by Single-Molecule Spectroscopy†
Mircea Cotlet
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorSadahiro Masuo
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorMarc Lor
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorEduard Fron
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorMark Van der Auweraer
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorKlaus Müllen
Max Planck Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
Search for more papers by this authorJohan Hofkens
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorFrans De Schryver
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorMircea Cotlet
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorSadahiro Masuo
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorMarc Lor
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorEduard Fron
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorMark Van der Auweraer
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorKlaus Müllen
Max Planck Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
Search for more papers by this authorJohan Hofkens
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorFrans De Schryver
Laboratory of Photochemistry and Spectroscopy, Katholieke Universiteit Leuven, 3001 Heverlee, Belgium, Fax: (+32) 16-327-990
Search for more papers by this authorM.C. acknowledges K. U. Leuven for a fellowship. Support from FWO, K. U. Leuven (GOA 2001/2), the Federal Science Policy of Belgium (IUAP-V-03), and a Max Planck Research Award are acknowledged. J. W. Verhoeven (University of Amsterdam) is acknowledged for useful discussions.
Graphical Abstract
Die Dynamik des photoinduzierten reversiblen Elektronentransfers in individuellen, in Polystyrol immobilisierten Perylendiimid-Triphenylamin-Donor-Acceptor-Dendrimeren wurde durch Einzelmolekülspektroskopie untersucht. Über die lokale Sauerstoffkonzentration lässt sich der Übergang des ladungsgetrennten Zustands (CSS) zum lokal angeregten Zustand (LES) oder zum Grundzustand (GS) steuern (siehe Bild).
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