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Anisotropic silver nanoparticles as filler for the formation of hybrid nanocomposites

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2013
Authors
Vodnik, Vesna
Šaponjić, Zoran
Džunuzović, Jasna
Bogdanovic, Una
Mitrić, Miodrag
Nedeljković, Jovan M.
Article (Published version)
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Abstract
Prismatic and plate-like silver nanoparticles (Ag NPs) were synthesized according to the seed-mediated method. These particles were used as precursors for preparation of homogenous, transparent and colored Ag/poly(vinyl alcohol) (PVA) nanocomposite films with different concentrations of Ag by solution-casting technique. Optical and structural characterization of these nanocomposites includes UV-visible spectroscopy, X-ray diffraction (XRD), FTIR spectroscopy and SEM measurements. Further, the effect of embedded nanoparticles on the thermal properties of the PVA matrix was studied. The value of the glass transition temperature of polymer is found to increase after embedding Ag NPs. Comparison of thermal properties of pure PVA and nanocomposite films showed that the thermo-oxidative stability of polymer slightly increased in the presence of Ag NPs. Furthermore, the effect of the Ag NPs on the crystallinity of polymer was also observed.
Keywords:
Metal / Composites / Thermogravimetric analysis (TGA) / Optical properties
Source:
Materials Research Bulletin, 2013, 48, 1, 52-57
Publisher:
  • Pergamon-Elsevier Science Ltd, Oxford
Projects:
  • Size-, shape- and structure- dependent properties of nanoparticles and nanocomposites (RS-172056)
  • Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-45020)

DOI: 10.1016/j.materresbull.2012.09.059

ISSN: 0025-5408

WoS: 000313998500010

Scopus: 2-s2.0-84869509548
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1316
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