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  • PACS. 68.43.-h Chemisorption/physisorption: adsorbates on surfaces – 81.07.Pr Organic-inorganic hybrid nanostructures – 81.16.Be Chemical synthesis methods  (1)
  • PACS. 81.05.Ys Nanophase materials - 78.40.Fy Semiconductors - 78.40.Ha Other nonmetallic inorganics  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Preparation and characterization of nano-sized Ag/PVP composites for optical applications (2000)
    Springer
    The European physical journal 16 (2000), S. 11-17 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 81.05.Ys Nanophase materials - 78.40.Fy Semiconductors - 78.40.Ha Other nonmetallic inorganics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: A modification of the polyol process has enabled the direct synthesis of nm-sized Ag particles with narrow size distribution and controlled average dimension embedded in a polymeric matrix. Dispersion of colloidal silver was obtained by reduction of silver nitrate in ethylene-glycol in the presence of a polymeric protective agent (i.e., poly(N-vinylpyrrolidone)) and ultrasounds. The final particle size was controlled by removing the colloid from the reactive mixture by addition of acetone. The very strong plasmon resonance peak at 410 nm and a feature at 350 nm in the UV-visible spectra are a clear consequence of the nano-size of dilute Ag particles. The proposed process offers the possibility to effectively use these synthesised materials for the production of colour filters for advanced optical devices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100510070243
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  • 2
    Electronic Resource
    Electronic Resource
    Preparation and characterization of cobalt-based nanostructured materials (2003)
    Springer
    The European physical journal 31 (2003), S. 545-551 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 68.43.-h Chemisorption/physisorption: adsorbates on surfaces – 81.07.Pr Organic-inorganic hybrid nanostructures – 81.16.Be Chemical synthesis methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Nano-sized cobalt clusters passivated by alkane-thiol molecules were obtained by the action of concentrated thiol solutions on micrometric cobalt particles. Thiol molecules caused an erosive process on the metal grains with the consequent formation of nano-sized metal debris and cobalt thiolate as by-product. The final material microstructure was composed by cobalt clusters embedded into a continuum cobalt thiolate matrix. Depending on the thiol molecule length, the material texture ranged from rubbery to waxy. These new types of nanocomposite materials were found to be crystalline, thermally stable up to ca. 300 °C, intensely red colored, and high hydrophobic. In addition, they generated polymeric structures when dissolved in non-polar solvents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjb/e2003-00064-0
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