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Title: Synthesis and properties of chiral chromophore-functionalized polybinaphthalenes for nonlinear optics: Influence of chromophore concentration
Authors: Koeckelberghs, Guy ×
Sioncke, Cornelia
Verbiest, Thierry
Van Severen, I
Picard, Isabel
Persoons, Andre
Samyn, Celest #
Issue Date: Jan-2003
Publisher: Amer chemical soc
Series Title: Macromolecules vol:36 issue:26 pages:9736-9741
Abstract: A series of chromophore-functionalized polybinaphthalenes have been prepared and characterized for their (nonlinear optical) properties. The polymers were prepared by direct polymerization using a Stille coupling between a bis(trimethyltin) compound and dibromo-substituted binaphthalene monomers. The chromophores were attached to the binaphthalene unit via an alkyl spacer. The influence of the chromophore concentration, spacer length, and number of chromophores per binaphthalene unit was studied. The typical treelike macromolecular architecture of these molecules gives rise to a unique behavior in the glass transition temperature, NMR, and nonlinear optical properties. The nonlinear optical response shows a continuous increase in function of the chromophore content. In this way, the nonlinear optical properties can be increased in a way that is not possible with other chromophore-functionalized polymer materials.
ISSN: 0024-9297
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Chemistry - miscellaneous
Polymer Chemistry and Materials
× corresponding author
# (joint) last author

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