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Enhancement of polymer endurance to UV light by incorporation of semiconductor nanoparticles
National Academic Science Ukraine, Ukraine.
National Academic Science Ukraine, Ukraine.
Bukovinian State Medical University, Ukraine.
Linköping University, Department of Physics, Chemistry and Biology, Functional Electronic Materials. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-6405-9509
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2015 (English)In: Nanoscale Research Letters, ISSN 1931-7573, E-ISSN 1556-276X, Vol. 10, no 81, 1-6 p.Article in journal (Refereed) Published
Abstract [en]

Improvement of polyvinyl alcohol stability against ultraviolet (UV) illumination is achieved by introducing cadmium sulfide (CdS) nanoparticles into the polymeric matrix. Enhancement of stability is analyzed by optical characterization methods. UV protection is achieved by diminishing the probability of photo-activated formation of defects in polymer. The sources of polymer protection are the lowering of the efficiency of polymer excitation via partial absorption of incident light by the embedded nanoparticles as well as the de-excitation of the macromolecules that have already absorbed UV quanta via energy drain to nanoparticles. Within the nanoparticles, the energy is either dissipated by conversion to the thermal energy or reemitted as visible-range photoluminescence quanta.

Place, publisher, year, edition, pages
SpringerOpen , 2015. Vol. 10, no 81, 1-6 p.
Keyword [en]
Polymer; Nanoparticles; PVA; CdS; Shielding; Nanocomposite
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URN: urn:nbn:se:liu:diva-116833DOI: 10.1186/s11671-015-0787-5ISI: 000350810100001PubMedID: 25852377OAI: diva2:800680

Funding Agencies|Swedish Institute via Visby program

Available from: 2015-04-07 Created: 2015-04-07 Last updated: 2015-05-20

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Chen, WeiminBuyanova, Irina
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