37 Result(s)

Article

Synthesis and Properties of Nanosized Germanium Particles Obtained in Acetone under the Influence of Laser Radiation

Stable nanosized germanium particles were synthesized in a liquid medium (acetone) by laser irradiation of single-crystal germanium plates under aerobic and anaerobic conditions at room temperature. Various ex...

A. A. Revina, V. V. Savelyev, T. V. Krivenko… in Protection of Metals and Physical Chemistr… (2023)

Article

Nonlinear Third-Order Optical Properties in Polymer Ferroelectrics Doped with Ruthenium Phthalocyaninates

The nonlinear optical properties of thin-film materials based on a copolymer of vinylidene fluoride with trifluoroethylene doped with ruthenium octabutoxy-phthalocyaninates—a polar monomer complex [(BuO)₈PcRu](CO...

K. A. Verkhovskaya, T. V. Krivenko, V. V. Savelev, A. P. Kroitor… in Crystallography Reports (2022)

Article

The Photorefractive and Photovoltaic Properties of a Composite Based on Ferroelectric Polymer Doped with Carbon Nanotubes

The photorefractive effect is obtained in a composite of a ferroelectric polymer (polyvinylidene fluoride with trifluoroethylene (P(VDF/TrFE)) and single-walled carbon nanotubes (SWCNTs), which serve simultane...

K. A. Verkhovskaya, S. P. Chumakova, V. V. Savelev… in Crystallography Reports (2018)

Article

The third-order nonlinear optical properties in polymer ferroelectrics

The third-order susceptibility of vinylidene fluoride-trifluoroethylene (VDF-TrFE) copolymer are analyzed by using the z-scan technique with a nanosecond laser as an excitation source. It is established that o...

K. A. Verkhovskaya, A. D. Grishina, T. V. Krivenko… in Optics and Spectroscopy (2017)

Article

Photorefractive properties of composites based on polyvinyl alcohol, single-wall carbon nanotubes, and fullerene

Composites with photoelectrical, nonlinear optical, and photorefractive properties have been prepared. The composites consist of polyvinyl alcohol, single-wall carbon nanotubes, and fullerene C₆₀. Addition of C₆₀

A. D. Grishina, T. V. Krivenko… in Protection of Metals and Physical Chemistr… (2016)

Article

Photovoltaic properties of polymeric ferroelectric with various do**s

The photovoltaic properties and the bulk photovoltaic effect have been studied in a polyvinylidene difluoride–trifluoroethylene polymeric ferroelectric doped by single-walled nanotubes and a ruthenium-based dy...

K. A. Verkhovskaya, A. V. Vannikov, A. D. Grishina, A. S. Laryushkin… in Technical Physics (2016)

Article

Influence of heavy central atom on photoelectric, nonlinear optical, and photorefractive properties of metal phthalocyanines

Measurement of the photoelectric and photorefractive characteristics of 2,3,9,10,16,17,23,24-tetra(15-crown-5)phthalocyaninatoacetatoyttrium(III) [(15C5)₄Pc]Y(OAc) has made it possible to reliably establish the f...

A. V. Vannikov, A. D. Grishina, Yu. G. Gorbunova… in High Energy Chemistry (2015)

Article

Nonlinear optical properties of polyvinylcarbazole composites with graphene

The study has focused on polyvinylcarbazole (PVK) composites with graphene. It has been shown that there is a noticeable nonadditive shoulder on the long-wavelength edge of the optical absorption of PVK in the...

A. D. Grishina, T. V. Krivenko, V. V. Savel’ev, R. W. Rychwalski… in High Energy Chemistry (2014)

Article

Photorefractive and nonlinear optical properties of indium(III) tetra(15-crown-5)phthalocyaninate-based composites

Photoelectric, nonlinear optical, and photorefractive properties of hybrid composite materials based on polyvinylcarbazole (PVK) and indium(III) 2,3,9,10,16,17,23,24-tetra(15-crown-5)phthalocyaninate [(15C5)₄Pc]I...

A. D. Grishina, Yu. G. Gorbunova… in Protection of Metals and Physical Chemistr… (2014)

Article

Nonlinear optical properties of systems based on (tetra-15-crown-5-phthalocyaninato)indium(III)

The nonlinear optical properties of solutions of (2,3,9,10,16,17,23,24-tetra-15-crown-5-phthalocyaninato)indium(III) [(15C5)₄Pc]In(OH) in tetrachloroethane (TCE) have been studied by the z-scan method. It has bee...

A. V. Vannikov, A. D. Grishina, Yu. G. Gorbunova, A. A. Isakova… in High Energy Chemistry (2014)

Article

Photoelectric and photorefractive properties of polyvinylcarbazole composites with graphene in the visible spectral range

The photoelectric and photorefractive characteristics of polyvinylcarbazole (PVK) composites with 0.15 wt % graphene at a wavelength of 532 nm have been measured. The dependence of the quantum efficiency of ge...

A. D. Grishina, T. V. Krivenko, V. V. Savel’ev, R. W. Rychwalski… in High Energy Chemistry (2013)

Article

Photoelectric, nonlinear optical, and photorefractive properties of polymer composites including carbon nanotubes and cyanine dyes

The effect of cyanine dye additives on the photoelectric, nonlinear optical, and photorefractive properties of polyvinyl carbazole composites based on closed single-walled carbon nanotubes has been investigate...

A. V. Vannikov, A. D. Grishina, A. S. Laryushkin… in Physics of the Solid State (2013)

Article

Photoelectric, nonlinear optical, and photorefractive properties of polyvinylcarbazole composites with graphene

Polyvinylcarbazole (PVK) composites containing graphene in an amount of somewhat less than 0.15 wt % exhibit third-order dielectric susceptibility due to the presence of graphene, as well as photoelectric and ...

A. D. Grishina, T. V. Krivenko, V. V. Savel’ev, R. W. Rychwalski… in High Energy Chemistry (2013)

Article

Photoelectric and photorefractive properties of composites based on poly(vinylcarbazole) and ruthenium(II) tetra-15-crown-5-phthalocyanine with axially coordinated pyrazine molecules

The photoelectric and photorefractive characteristics of composites based on poly(vinylcarbazole) containing crown-substituted ruthenium phthalocyanine with axially coordinated pyrazine molecules, (R₄Pc)Ru(pyz)₂ ...

A. S. Laryushkin, T. V. Krivenko, Yu. G. Gorbunova, A. D. Grishina… in High Energy Chemistry (2012)

Article

The effect of cyanine dyes on photorefractive properties of composites based on carbon nanotubes

Photorefractive, nonlinear optical, and photoelectric characteristics at 1064 nm are discussed in the case of composites of polyvinyl carbazole (PVC) and closed single-walled carbon nanotubes with an additive ...

A. S. Laryushkin, A. D. Grishina… in Protection of Metals and Physical Chemistr… (2012)

Article

Photoelectric, nonlinear optical, and photorefractive properties of composites based on poly(N-vinylcarbazole) and gallium phthalocyaninate

Poly(N-vinylcarbazole) layers containing tetra-5-crown-5-gallium phthalocyaninate (R₄Pc)Ga(OH) are shown to possess photoelectric and photorefractive sensitivity at a wavelength of 1064 nm. This effect is associa...

A. V. Vannikov, A. D. Grishina, Yu. G. Gorbunova… in Polymer Science Series A (2011)

Article

Third-order optical susceptibility of single-walled carbon nanotubes

The third-order susceptibility of tetrachloroethane dispersions of capped single-wall carbon nanotubes (SWCNT) has been analyzed by the z-scan technique using a femtosecond laser, and the SWCNT image obtained ...

A. S. Laryushkin, V. V. Savel’ev, V. I. Zolotarevskii… in High Energy Chemistry (2011)

Article

Photoelectric, nonlinear optical, and photorefractive properties of polyvinylcarbazole composites with single-wall carbon nanotubes

T. V. Krivenko, L. Ya. Pereshivko, A. D. Grishina, V. V. Savel’ev… in High Energy Chemistry (2009)

Article

Structure of supramolecular assemblies of ruthenium(II) complexes and nonlinear optical and photorefractive properties of polymer composites on their basis

L. Ya. Pereshivko, A. D. Grishina, Yu. G. Gorbunova… in High Energy Chemistry (2009)

Article

Photorefractive polymer composites based on ruthenium (II) tetra-15-crown-5-phthalocyanate axially coordinating ethylisonicotinate molecules photosensitive in telecommunication range

Polyvinylcarbazole layers containing ruthenium (II) tetra-15-crown-5-phthalocyanate axially coordinating ethylisonicotinate molecules are found to have photoelectric and photorefractive sensitivity at 1550 nm....

A. D. Grishina, Yu. G. Gorbunova… in Protection of Metals and Physical Chemistr… (2009)