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Exceptionally good, transparent and flexible FeS sub(2)/poly(vinyl pyrrolidone) and FeS sub(2)/poly(vinyl alcohol) nanocomposite thin films with excellent UV-shielding properties

Polymer international, 2013-04, Vol.62 (4), p.670-675 [Peer Reviewed Journal]

ISSN: 0959-8103 ;EISSN: 1097-0126 ;DOI: 10.1002/pi.4348

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  • Title:
    Exceptionally good, transparent and flexible FeS sub(2)/poly(vinyl pyrrolidone) and FeS sub(2)/poly(vinyl alcohol) nanocomposite thin films with excellent UV-shielding properties
  • Author: Sajimol, Augustine M ; Anand, Puthirath B ; Anilkumar, Kollery M ; Jayalekshmi, Sankaran
  • Subjects: Alcohols
  • Is Part Of: Polymer international, 2013-04, Vol.62 (4), p.670-675
  • Description: Composites of nanocrystalline iron disulfide (FeS sub(2)) coated with poly(vinyl pyrrolidone) (PVP) or poly(vinyl alcohol) (PVA) have been successfully synthesized using a solvothermal process, in which PVP and PVA serve as soft templates. Transparent, flexible thin films of these nanocomposites were prepared from homogeneous solution using a solution-casting approach. X-ray diffraction and thermogravimetric analysis and energy-dispersive X-ray, Fourier transform infrared and UV-visible absorption spectroscopic techniques were employed to study the structural and optical properties of these nanocomposite films. UV-visible spectra in transmission mode reveal the UV-shielding efficiency of these nanocomposite films and the films are found to be exceptionally good for UV-shielding applications in the wavelength range 200 to 400 nm. The present work aims at developing transparent and flexible UV-shielding materials and colour filters using cost-effective and non-toxic inorganic-polymer nanocomposites. copyright 2012 Society of Chemical Industry Transparent, flexible and thermally stable FeS sub(2)/poly(vinyl pyrrolidone) nanocomposite film with UV absorption window ranging from 200 to 550 nm suitable for UV-shielding applications.
  • Language: English
  • Identifier: ISSN: 0959-8103
    EISSN: 1097-0126
    DOI: 10.1002/pi.4348
  • Source: Alma/SFX Local Collection
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