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Article
The influence of a solvent on the aggregation of ruthenium(II) tetra-15-crown-5-phthalocyaninate
The images of ensembles of ruthenium(II) complexes with tetra-15-crown-5-phthalocyanine and axially coordinated triethylenediamine molecules, (R4Pc)Ru(TED)2, obtained on an atomic force microscope were analyzed. ...
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Article
IR photorefractive polymer composites based on carbon nanotubes
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Article
Near-infrared range photorefractive composites based on poly(vinylcarbazole), multiwall carbon nanotubes, and fullerene C60 1
For composites based on poly(vinylcarbazole) and multiwall carbon nanotubes, photorefractive characteristics at 1064 nm have been studied in the presence and absence of fullerene C60. It has been found that the i...
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Article
Near-IR photorefractive composites based on oxidized single-wall carbon nanotubes
The photoelectric, nonlinear optical, and photorefractive characteristics of polymer composites made from unplasticized polyvinylcarbazole (PVK) and single-wall carbon nanotubes containing surface oxygen group...
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Article
Nonlinear optical properties of systems based on ruthenium(II) tetra-15-crown-5-phthalocyaninate
The third-order nonlinear optical properties of the ruthenium (II) complex with tetra-15-crown-5-phthalocyanine and axially coordinated triethylenediamine molecules (R4Pc)Ru(TED)2 were analyzed by means of the z-...
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Article
Carbon nanotube-containing photorefractive polymer composites operating at telecommunication wavelengths
The field dependences of photocurrent, the two-beam coupling gain coefficient, and the grating formation time constant in polymer composites made from polyvinylcarbazole (PVK) and single-wall carbon nanotubes ...
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Article
Photorefractive IR-range composites on the basis of poly(vinyl carbazole) and ruthenium (II) tetra-15-crown-5-phthalocyanines
The photoelectric sensitivity and photorefractive properties at 1064 nm of composites consisting of poly(vinyl carbazole) (PVC), complexes of ruthenium(II) with tetra-15-crown-5-phthalocyanine and axially coor...
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Article
Infrared photorefractive composites based on polyvinylcarbazole and carbon nanotubes
Photorefractive materials based on unplasticized polymers that have a high glass-transition temperature and the frozen random orientation of chromophores were prepared by layer casting. Under these conditions,...
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Article
Photorefractive IR-spectrum composites prepared from polyimide and ruthenium(II) tetra-15-crown-5-phthalocyaninate with axially coordinated triethylenediamine molecules
It is established that supramolecular ensembles on the basis of the complex of ruthenium(II) with tetra-15-crown-5-phthalocyanine and axially coordinated triethylenediamine molecules (R4Pc)Ru(TED)2, where R4Pc2− ...
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Article
Photorefractive polymer composites for the IR region based on carbon nanotubes
The photorefractive properties of polymer composites based on aromatic polyimide and single-wall carbon nanotubes are studied using radiation at a wavelength of 1064 nm. It is found that the nanotubes possess ...
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Article
Infrared Photorefractive Composites Based on Supramolecular Ensembles of Ruthenium(II) Tetra-15-crown-5-phthalocyaninate
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Article
Photorefractive Composites Based on Nanocrystalline Carbocyanine Dye J-Aggregates with a Fast Response Time
The use of carbocyanine dye J-aggregates as sensitizers of photoelectric sensitivity and chromophores with the third-order nonlinear optical polarizability made it possible, by the action of two intersecting H...
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Article
Photoelectric Properties of Polyimide Containing J-Aggregates of Cyanine Dyes
Photoelectric characteristics were measured for photorefractive aromatic polyimides containing nanocrystalline J-aggregates of thiacarbocyanine dyes, which are responsible for the photoelectric sensitivity at the...
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Article
Photorefractive Properties of a Polyimide Containing Thiacarbocyanine Dye J-Aggregates
The photorefractive properties of a polyimide containing J-aggregates of a thiacarbocyanine dye were examined. Measurements were made with a holographic apparatus at Ar–Kr laser wavelengths of 647 and 514 nm. ...
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Article
Second-harmonic generation in vinylidene fluoride-trifluoroethylene copolymers doped with donor-acceptor molecules
The temperature dependence of the second-harmonic generation in a vinylidene fluoride-trifluoroethylene ferroelectric copolymer doped with 5 wt % of a noncentrosymmetric 4-anilino-4′-nitroazobenzene chromophor...
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Article
Photorefractive Properties of Photochemically Modified Poly(hydroxyaminoether)
The exposure of photosensitive poly(hydroxyaminoether)-based polymer compositions to light leads to the formation of an image with nonlinear optical and photoelectric properties and, hence, photorefractive beh...
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Article
Second harmonic generation in polymers containing dithiosquarylium dye
Polymer layers containing the dye 2,4-bis(1,3,3-trimethyl-2-indolinylidenemethyl)-1,4-dithiosquaraine display second-order nonlinear optical properties. Depending on conditions of preparation of the layers, th...
