Hydrogen-Bond-Directed Head-to-Tail Orientation of Dipolar Merocyanine Dyes: A Strategy for the Design of Electrooptical Materials

Two merocyanine dyes are assembled by multiple hydrogen bonds with summation of their dipole moments (see formula; R=2‐ethylhexyl). It exhibits a strongly increased degree of dye alignment in an electric field according to electrooptical absorption spectroscopy.

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2006-06, Vol.45 (23), p.3842-3846
Main Authors: Würthner, Frank, Schmidt, Johann, Stolte, Matthias, Wortmann, Rüdiger
Format: Article
Language:English
Subjects:
chromophores
dyes/pigments
hydrogen bonds
nonlinear optics
supramolecular chemistry
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Description
Summary:Two merocyanine dyes are assembled by multiple hydrogen bonds with summation of their dipole moments (see formula; R=2‐ethylhexyl). It exhibits a strongly increased degree of dye alignment in an electric field according to electrooptical absorption spectroscopy.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200504581