Journal ArticleDOI
Photoconductivity in an Epoxy-Based Photocrosslinkable Nonlinear Optical Polymer
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TLDR
In this article, an epoxy-based photocrosslinkable second-order nonlinear optical (NLO) polymer, DGENC -NAC ( diglycidyl ether of nitrocatechol / nitroaniline prepolymer functionalized with cinnamoyl groups), is presented.Abstract:
Photoconductivity measurements on an epoxy-based photocrosslinkable second-order nonlinear optical (NLO) polymer - DGENC - NAC ( diglycidyl ether of nitrocatechol / nitroaniline prepolymer functionalized with cinnamoyl groups) are presented. Without introducing any sensitizer or charge carrier transport agents, large photoconductivity was obtained in this polymer system. Optical excitation of the NLO chromophores leads to photocarrier generation and it is conjectured that these NLO chromophores also play a role in the carrier transport. This polymer is one of the candidate materials for photorefraction.read more
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Journal ArticleDOI
Observation of the photorefractive effect in a polymer.
TL;DR: The observation of the photorefractive effect in an amorphous electro-optic material, the nonlinear polymer bisphenol A diglycidyl ether 4-nitro-1,2,phenylenediamine (bisA-NPDA) make photoconductive by doping with the hole transport agent diethylaminobenzaldehyde-diphenyl hydrazone.
Journal ArticleDOI
Photorefractive gratings in the organic crystal 2-cyclooctylamino-5-nitropyridine doped with 7,7,8,8-tetracyanoquinodimethane
K. Sutter,Peter Günter +1 more
TL;DR: The photorefractive properties of single crystals of the organic material 2-cyclooctylamino-5-nitropyridine doped with 7,7,8,8-tetracyanoquinodimethane are investigated with two-wave mixing experiments as mentioned in this paper.
Journal ArticleDOI
Photorefractive effects observed in the organic crystal 2-cyclooctylamino-5-nitropyridine doped with 7,7,8,8-tetracyanoquinodimethane
TL;DR: In this paper, the first photorefractive effects have been observed in 2-cyclooctylamino-5-nitropyridine (COANP) single crystals doped with 7,7,8,8-tetracyanoquinodimethane (TCNQ).
Journal ArticleDOI
Photoconducting electro‐optic polymer films
TL;DR: In this paper, an acrylic polymer containing a stilbene chromophore with a high second-order nonlinear susceptibility was doped with a perylene sensitizer for photocharge generation and a triarylamine hole transporting molecule.
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