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On a specific state of C<sub>60</sub> fullerene in N-methyl-2-pyrrolidone solution : Mass spectrometric study

On a specific state of C60 fullerene in N-methyl-2-pyrrolidone solution : Mass spectrometric study

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SNEGIR, Sergii V., Timur V. TROPIN, Olena A. KYZYMA, Maryna O. KUZMENKO, Viktor I. PETRENKO, Vasil M. GARAMUS, Mikhail V. KOROBOV, Mikhail V. AVDEEV, Leonid A. BULAVIN, 2019. On a specific state of C60 fullerene in N-methyl-2-pyrrolidone solution : Mass spectrometric study. In: Applied Surface Science. 481, pp. 1566-1572. ISSN 0169-4332. eISSN 1873-5584. Available under: doi: 10.1016/j.apsusc.2019.03.168

@article{Snegir2019-07speci-47127, title={On a specific state of C60 fullerene in N-methyl-2-pyrrolidone solution : Mass spectrometric study}, year={2019}, doi={10.1016/j.apsusc.2019.03.168}, volume={481}, issn={0169-4332}, journal={Applied Surface Science}, pages={1566--1572}, author={Snegir, Sergii V. and Tropin, Timur V. and Kyzyma, Olena A. and Kuzmenko, Maryna O. and Petrenko, Viktor I. and Garamus, Vasil M. and Korobov, Mikhail V. and Avdeev, Mikhail V. and Bulavin, Leonid A.} }

eng Garamus, Vasil M. 2019-10-07T13:51:25Z Bulavin, Leonid A. Tropin, Timur V. On a specific state of C<sub>60</sub> fullerene in N-methyl-2-pyrrolidone solution : Mass spectrometric study Kuzmenko, Maryna O. Bulavin, Leonid A. 2019-10-07T13:51:25Z Snegir, Sergii V. Petrenko, Viktor I. Avdeev, Mikhail V. Kyzyma, Olena A. Snegir, Sergii V. Avdeev, Mikhail V. Kyzyma, Olena A. 2019-07 Korobov, Mikhail V. Tropin, Timur V. Kuzmenko, Maryna O. Petrenko, Viktor I. Korobov, Mikhail V. Garamus, Vasil M. A solution of fullerene C<sub>60</sub> in N-methylpyrrolidone (NMP) presents a suitable system for obtaining fullerene's clusters with the tunable size. However, the mechanism of fullerenes interaction with polar NMP molecules is still elusive. Herein, we present the measured laser desorption/ionization mass spectra (LDI MS) of the precipitates produced from C<sub>60</sub>/NMP solutions of different age in comparison with the typical spectra of C<sub>60</sub> crystallized from toluene and benzene. The distinctive characteristics of the C<sub>60</sub>/NMP mass spectra were identified and carefully examined. The number of characteristic peaks and their relative intensities in the spectra strongly depend on the age of initial C<sub>60</sub>/NMP solutions. This effect was attributed to the specific C<sub>60</sub>-NMP interactions in the solution, namely to the formation of charge-transfer complexes of C<sub>60</sub> with NMP molecules followed by fullerene cluster formation. The results of additional measurements carried out by means of small-angle X-ray scattering (SAXS), nuclear magnetic resonance (NMR), UV–Vis absorption spectroscopy together with the density functional theory (DFT) calculations are in accord with the proposed hypothesis.

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