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Interfacial bonding in a CdS/PVA nanocomposite: A Raman scattering study
V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kiev 03028, Ukraine..
Nauky, Kiev 03028, Ukraine.
Department of Biophysics and Medical Informatics, Bukovinian State Medical University, 42 Kobylyanska st., 58000 Chernivtsi, Ukraine..
Linköping University, Department of Physics, Chemistry and Biology, Functional Electronic Materials. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-6405-9509
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2015 (English)In: Journal of Colloid and Interface Science, ISSN 0021-9797, E-ISSN 1095-7103, Vol. 452, 33-37 p.Article in journal (Refereed) Published
Abstract [en]

Raman spectroscopy is employed to characterize the bonding between CdS nanoparticles (NPs) and a polyvinyl alcohol (PVA) as well as structural changes in the polymeric matrix caused by incorporation of NPs. It is shown that after the formation of CdS NPs the vibrations of carbonyl groups in acetate residuals of PVA and of CO groups at the macromolecules ends disappear. Formation of NPs also leads to an increased degree of hydrogen bonding and crystallinity of the hybrid material as compared with the unloaded polymer. The observed changes are ascribed to the formation of coordinative bonds and hydrogen between the CdS nanoparticles and polymeric macromolecules. The scheme of this interfacial bonding is also proposed.

Place, publisher, year, edition, pages
2015. Vol. 452, 33-37 p.
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-117992DOI: 10.1016/j.jcis.2015.04.020ISI: 000355068900006OAI: oai:DiVA.org:liu-117992DiVA: diva2:812685
Available from: 2015-05-19 Created: 2015-05-19 Last updated: 2015-06-23

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Chen, WeiminBuyanova, Irina A
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Functional Electronic MaterialsFaculty of Science & Engineering
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