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Sökning: WFRF:(Krivenko T. V.)

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  • Grishina, A. D., et al. (författare)
  • Photoelectric, nonlinear optical, and photorefractive properties of polyvinylcarbazole composites with graphene
  • 2013
  • Ingår i: High Energy Chemistry. - 0018-1439 .- 1608-3148. ; 47:2, s. 46-52
  • Tidskriftsartikel (refereegranskat)abstract
    • 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 photorefractive sensitivity at 1064 nm. The photorefractive (PR) effect is known to occur in a polymer composite that possesses both photoelectric sensitivity and nonlinear optical properties. The photoelectric, nonlinear optical, and PR properties of PVK composites with graphene have been considered in this paper.
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  • Vannikov, Anatoly, et al. (författare)
  • Photorefractive polymer composites for the IR region based on carbon nanotubes
  • 2005
  • Ingår i: Optics and Spectroscopy (English translation of Optika i Spektroskopiya). - : Pleiades Publishing Ltd. - 1562-6911 .- 0030-400X. ; 99:4, s. pp.643-648
  • Tidskriftsartikel (refereegranskat)abstract
    • 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 photoelectric sensitivity in this spectral region and that the kinetic photorefractive characteristics of the polymer composites are entirely determined by the photogeneration and charge transport characteristics of the layers. The two-beam gain coefficient of the signal beam measured for a composite consisting of aromatic polyimide and 0.25 wt % of single-wall carbon nanotubes in a constant electric field E 0 = 79 V/μm is equal to 84 cm -1 and exceeds the optical absorption coefficient by 59 cm -1 . The refractive index modulation is equal to Δn = 0.004 at E 0 = 54 V/μm. © 2005 Pleiades Publishing, Inc.
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