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Title: Efficient fully functionalized photorefractive polymethacrylates with infrared sensitivity and different spacer lengths
Authors: Engels, C ×
Van Steenwinckel, D
Hendrickx, E
Schaerlaekens, Mark
Persoons, Andre
Samyn, Celest #
Issue Date: Jan-2002
Publisher: Royal soc chemistry
Series Title: Journal of materials chemistry vol:12 issue:4 pages:951-957
Abstract: A series of photorefractive polymethacrylates, containing a Disperse Red type chromophore and carbazole as charge transport agent with various spacer lengths, was synthesized and characterized. The photorefractive effect of these materials was studied by four-wave mixing and two beam-coupling at 780 nm after sensitization with 1 wt% TNFM. We have found a gain coefficient of Gamma = 140 cm(-1) at an applied electric field of 60 V mum(-1) and complete internal diffraction at an applied electric field of 52 V mum(-1). For fully functionalized photorefractive polymers, these values rank among the highest reported up to date.
ISSN: 0959-9428
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemistry - miscellaneous
Molecular Design and Synthesis
Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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