Title: Fluorescent perylene diimide rotaxanes: Spectroscopic signatures of wheel-chromophore interactions
Authors: Baggerman, Jacob ×
Jagesar, Dhiredj C
Vallee, Renaud
Hofkens, Johan
De Schryver, Frans
Schelhase, Frauke
Voegtle, Fritz
Brouwer, Albert M #
Issue Date: 2007
Publisher: VCH Verlagsgesellschaft
Series Title: Chemistry - a European Journal vol:13 issue:4 pages:1291-1299
Abstract: [2]- and [3]-rotaxanes with a tetraphenoxy perylene diimide core were synthesized. Hydrogen bonding between the wheel and the imide changes the optical properties of the perylene chromophore: the absorption and fluorescence spectra are red-shifted. The decay times of the rotaxanes are shorter in comparison with that of the axle. Single molecule fluorescence measurements reveal relatively narrow distributions of emission maxima and decay times. The averages are in agreement with ensemble measurements. The observed red shifts make the perylene diimide a suitable chromophore for sensing the position of the wheel on the axle.
ISSN: 0947-6539
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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