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Title: Conformational Steering in Substituted Poly(3,6-phenanthrene)s: A Linear and Nonlinear Optical Study
Authors: Vanormelingen, Wouter ×
Smeets, Alfons
Franz, Edith
Asselberghs, Inge
Clays, Koen
Verbiest, Thierry
Koeckelberghs, Guy #
Issue Date: Jun-2009
Publisher: Amer chemical soc
Series Title: Macromolecules vol:42 issue:12 pages:4282-4287
Abstract: The synthesis of a chiral, 9, 10-dialkoxy-functionalized poly(3,6-phenanthrene) and the study of its chiroptical properties in different solvents is reported. The polymer was prepared by a Suzuki cross-coupling reaction. UV-vis, circular dichroism, and fluorescence spectroscopy and hyper-Rayleigh scattering were used to demonstrate that this polymer adopts a random coil conformation in a good solvent and folds into a one-handed helical conformation in poor solvents rather than stacking in a chiral way. Hyper-Rayleigh scattering proved to be a powerful tool for the investigation of the conformation of conjugated polymers because its response strongly depends on the conformation of the polymer.
ISSN: 0024-9297
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Polymer Chemistry and Materials
× corresponding author
# (joint) last author

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