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Thin polymer films with embedded CdS nanocrystals

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Abstract

A new method for formation of the cross-linked polymer films at the solid surface as well as the thin nanocomposite films based on them with embedded CdS nanocrystals is reported in this paper. The process involves several stages, namely, (i) thin polymer film formation on glass slide by spin coating of an organic solution of reactive peroxide-containing copolymer (RC), polyethylene glycols (PEG) of various molecular weight, and cadmium acetate [Cd(Ac)2] as nanocrystal precursor; (ii) melting and cross-linking of the polymer film; and (iii) synthesis of CdS nanocrystals inside the polymer film via sol–gel technique. The X-ray diffraction analysis and UV–visible spectroscopy prove formation of the CdS nanocrystals in the thin polymer films. This method allows forming multilayered nanocomposite films with tuned properties. The obtained results reveal that size of the CdS nanocrystals and optical properties (absorption and photoluminescence spectra) of the nanocomposite films depend on the nature of polymer matrix, PEG/RC ratio, Cd(Ac)2 concentration, and the number of layers composing the films.

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Acknowledgment

This study was funded by Ministry of Education and Science of Ukraine.

Conflicts of interest

The authors declare that they have no conflict of interest.

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Authors and Affiliations

  1. Lviv Polytechnic National University, 12, St. Bandera Str., 79013, Lviv, Ukraine

    Viktor Tokarev, Oleh Shevchuk, Hryhoriy Ilchuk, Stanislav Tokarev, Victor Kusnezh & Natalya Bukartyk

  2. V.E. Lashkaryov Institute of semiconductor Physics, 41, Nauki Ave., 03028, Kyiv, Ukraine

    Dmytro Korbutyak, Sergiy Budzulyak & Sergii Kalytchuk

Authors
  1. Viktor Tokarev
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  2. Oleh Shevchuk
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  3. Hryhoriy Ilchuk
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  4. Stanislav Tokarev
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  5. Victor Kusnezh
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  6. Dmytro Korbutyak
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  7. Sergiy Budzulyak
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  8. Sergii Kalytchuk
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  9. Natalya Bukartyk
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Correspondence to Oleh Shevchuk.

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Tokarev, V., Shevchuk, O., Ilchuk, H. et al. Thin polymer films with embedded CdS nanocrystals. Colloid Polym Sci 293, 1159–1169 (2015). https://doi.org/10.1007/s00396-015-3500-4

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  • DOI: https://doi.org/10.1007/s00396-015-3500-4

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