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Optical absorption of composite systems with silver nanoparticles dispersed in arabinogalactan and arabinogalactan-g-polypyrrole block copolymer matrices |
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| Authors: | A. V. Zhmurova L. E. Zelenkov A. I. Illarionov R. Yu. Shendrik E. A. Radzhabov I. V. Klimenkov A. N. Sapozhnikov T. V. Ganenko B. G. Sukhov B. A. Trofimov |
| Affiliation: | 1.Irkutsk State University of Railways,Irkutsk,Russia;2.Favorsky Irkutsk Institute of Chemistry, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia;3.Irkutsk National Research Technical University,Irkutsk,Russia;4.Irkutsk Branch of the Institute of Laser Physics, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia;5.Vinogradov Institute of Geochemistry, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia;6.Limnological Institute, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia |
| Abstract: | The absorption of a nanocomposite of silver nanoparticles and arabinogalactan in the UV–Vis spectral range is due to the presence of end aldehyde groups in the arabinogalactan and plasmon vibrations in 0D nanosilver. The absorption spectrum of a fundamentally new nanocomposite of silver with arabinogalactan-g-polypyrrole block copolymer reveals additional long-wavelength overlapping absorption bands resulting from the longitudinal component of plasmon resonance in 1D nanosilver and polarons in polypyrrole. |
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