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Dresden 2006 – scientific programme

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CPP: Chemische Physik und Polymerphysik

CPP 25: POSTER Electronic Structure and Spectroscopy

CPP 25.13: Poster

Thursday, March 30, 2006, 17:00–19:00, P2

Single-Molecule Spectroscopy of Individual Perylene Bisimide Derivatives — •Hanna Engelke1, Erwin Lang1, Peter Osswald2, Frank Würthner2, and Jürgen Köhler11Experimental Physics IV, University of Bayreuth — 2Institute for Organic Chemistry, University of Würzburg

We present a detailed characterisation of the photophysical properties of three different perylene bisimide derivatives. The probe molecules have been immobilized in a Shpol’skii matrix of hexadecane and were investigated by single-molecule spectroscopy at cryogenic temperatures. Exploiting single-molecule techniques, we compare the three derivatives as regards their saturation behaviour, triplet substate kinetics and fluorescence quantum yield.

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