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Photoluminescence and paramagnetic defect formation in PMMA-C60 fullerene nanocomposite

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Abstract

The dynamics of thermoinduced defect formation and the photoluminescent properties of a poly(methyl methacrylate)-fullerene (PMMA-C60) composite have been studied using a combination of spectroscopic techniques. Quantum-chemical calculations with implicit allowance for the presence of oxygen have been performed for a MMA-C60 model complex. The generation of defects and the quenching of photoluminescence, which take place in the same temperature interval where the macromolecules exhibit low-temperature depolymerization in the presence of C60, can be precursors of the depolymerization process.

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Authors and Affiliations

  1. Lashkarev Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 03025, Kiev, Ukraine

    A. A. Konchits, S. P. Kolesnik, V. S. Efanov, I. B. Yanchuk, A. L. Pushkarchuk & A. O. Pozdnyakov

  2. Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, Minsk, 220072, Belarus

    A. A. Konchits, S. P. Kolesnik, V. S. Efanov, I. B. Yanchuk, A. L. Pushkarchuk & A. O. Pozdnyakov

  3. Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, St. Petersburg, 199178, Russia

    A. A. Konchits, S. P. Kolesnik, V. S. Efanov, I. B. Yanchuk, A. L. Pushkarchuk & A. O. Pozdnyakov

  4. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    A. A. Konchits, S. P. Kolesnik, V. S. Efanov, I. B. Yanchuk, A. L. Pushkarchuk & A. O. Pozdnyakov

Authors
  1. A. A. Konchits
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  2. S. P. Kolesnik
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  3. V. S. Efanov
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  4. I. B. Yanchuk
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  5. A. L. Pushkarchuk
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  6. A. O. Pozdnyakov
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Correspondence to A. A. Konchits.

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Original Russian Text © A.A. Konchits, S.P. Kolesnik, V.S. Efanov, I.B. Yanchuk, A.L. Pushkarchuk, A.O. Pozdnyakov, 2011, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2011, Vol. 37, No. 19, pp. 72–79.

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Konchits, A.A., Kolesnik, S.P., Efanov, V.S. et al. Photoluminescence and paramagnetic defect formation in PMMA-C60 fullerene nanocomposite. Tech. Phys. Lett. 37, 925–928 (2011). https://doi.org/10.1134/S1063785011100099

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  • DOI: https://doi.org/10.1134/S1063785011100099

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