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Title: Record-high hyperpolarizanilities in conjugated polymers
Authors: Van Cleuvenbergen, Stijn
Asselberghs, Inge
Vanormelingen, Wouter
Verbiest, Thierry
Franz, Edith
Clays, Koen
Mark G., Kuzyk
Koeckelberghs, Guy # ×
Issue Date: 24-Apr-2014
Publisher: R S C Publications
Series Title: Journal of Materials Chemistry C vol:2 pages:4533-4538
Abstract: Disubstituted poly(phenanthrene), a conjugated polymer, has been studied by hyper-Rayleigh scattering. Although this compound lacks the donor–acceptor motif that is typically associated with a strong second-order nonlinear optical response, the (intrinsic) hyperpolarizability ranks among the highest ever measured, breaking the longstanding apparent limit. The linear and nonlinear optical properties of the polymer depend strongly on the solvent conditions, affecting the macromolecular organization. An explanation for these unexpected results is postulated and is based on modulation of conjugation along the polymer backbone. As the molecular structure of the compound does not at all fit into the classical paradigms, our observations put these theories into perspective.
ISSN: 2050-7526
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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