Title: Chromophore functionalised maleimide copolymers with high poling stabilities of the nonlinear optical effect at elevated temperature
Authors: Samyn, Celest ×
Ballet, Wim
Verbiest, Thierry
Van Beylen, Marcel
Persoons, Andre #
Issue Date: Jan-2001
Publisher: Elsevier sci ltd
Series Title: Polymer vol:42 issue:21 pages:8511-8516
Abstract: Nonlinear optical polymers with high glass transition temperatures were prepared by covalent functionalisation of polymaleimide copolymers with hydroxyalkyl chromophores via the Mitsunobu reaction. The polymaleimides were obtained by radical polymerisation of maleimide with 4-phenylstyrene (PM1), indene (PM2) or 1-adamantylmethacrylate (PM3). Glass transition temperatures in the range of 222-288 degreesC were obtained. Thin spincoated films of the polymers were corona-poled and analysed by second-harmonic generation; second-order susceptibility values (d(33)) up to 16 pm/V were obtained. Poled order stability measurements over periods of more than 200 h resulted in 72-90% of remaining NLO-response at 125 degreesC. (C) 2001 Elsevier Science Ltd. All rights reserved.
ISSN: 0032-3861
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Chemistry - miscellaneous
× corresponding author
# (joint) last author

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