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Title: Chromophore-functionalised polymides with high-poling stabilities of the nonlinear optical effect at elevated temperature
Authors: Gubbelmans, Elke ×
Verbiest, Thierry
Van Beylen, Marcel
Persoons, Andre
Samyn, Celest #
Issue Date: Jan-2002
Publisher: Elsevier sci ltd
Series Title: Polymer vol:43 issue:5 pages:1581-1585
Abstract: Functionalised second-order nonlinear optical (NLO) polyimides have been developed. The key challenge in our approach was a one-step synthesis of these polymers, by reaction of di(hydroxyalkyl) chromophores and diimides utilising the Mitsunobu reaction. Glass transition temperatures in the range of 205-224degreesC were obtained. Thin spincoated films of the polymers were corona-poled and analysed by second-harmonic generation; values for d(33) of 30 pm/V were obtained. Poled order stability measurements over periods of 210-500 It resulted in 70-90% of remaining NLO-response at 125degreesC. (C) 2002 Elsevier Science Ltd. All rights reserved.
URI: 
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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