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Title: Effect of the chromophore donor group and ferrocene doping on the dynamic range, gain, and phase shift in photorefractive polymers
Authors: Hendrickx, Eric ×
Van Steenwinckel, David
Persoons, Andre
Samyn, Celest
Beljonne, D
Bredas, JL #
Issue Date: Jan-2000
Publisher: Amer inst physics
Series Title: Journal of Chemical Physics vol:113 issue:13 pages:5439-5447
Abstract: We have studied the photorefractive performance of poly(N-vinylcarbazole)-based composites doped with various concentrations of two structurally related dipolar chromophores, at 780 nm. The two chromophores had different electron donor groups, N,N-diethylamine and julolidine, respectively. Complete internal diffraction and gain coefficients > 130 cm(-1) were obtained for polymers doped with these chromophores. The polymers prepared with the chromophore having the strongest electron donor group, the julolidine group, had the largest dynamic range, but proved to be slower and had a smaller photorefractive phase shift. (C) 2000 American Institute of Physics. [S0021-9606(00)70137-1].
ISSN: 0021-9606
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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