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Chromophore‐Functionalized Poly(ether sulfone)s with High Poling Stabilities of the Nonlinear Optical Effect
Author(s) -
Ballet Wim,
Picard Isabel,
Verbiest Thierry,
Persoons André,
Samyn Celest
Publication year - 2004
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200300055
Subject(s) - chromophore , poling , sulfone , glass transition , second harmonic generation , ether , polymer , thermal stability , polymer chemistry , surface modification , nonlinear optical , nonlinear optics , materials science , azo compound , chemistry , photochemistry , organic chemistry , nonlinear system , optics , optoelectronics , laser , physics , quantum mechanics , dielectric , ferroelectricity
Summary: Nonlinear optical (NLO) polymers with high glass transition temperatures were prepared by the functionalization of poly(ether sulfone)s with hydroxyalkyl chromophores via the Mitsunobu reaction. Glass transition temperatures obtained were in the range of 158–212 °C. Thin spin‐coated films of the polymers were corona‐poled and analyzed by second‐harmonic generation measurements; second‐order susceptibility values ( d 33 ) up to 181 pm · V −1 were obtained. Poled‐order stability measurements over a period of 1 600 h showed that the percentage of the remaining NLO‐response at 125 °C was 84–96% under nitrogen and 54–76% in air.Structures of chromophores a–c.