Abstract
Evolution of the electronic absorption and photoluminescence spectra of the fullerene C60 solutions with various concentrations in a polar solvent (N-methylpyrrolidone) was studied. Comparison with the electrooptical properties of these solutions shows that a slow (associative) fullerene-solvent interaction mechanism is operative at large (nearly saturating) concentrations (1×10−3 g/cm3), whereas the solutions of relatively low concentration (less than 5×10−4 g/cm3) exhibit fast complex formation between fullerene and the solvent molecules. The latter interaction significantly changes the electronic structure of fullerene.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 26, No. 15, 2000, pp. 39–47.
Original Russian Text Copyright © 2000 by Biryulin, Evlampieva, Melenevskaya, Bocharov, Zgonnik, Ryumtsev.
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Biryulin, Y.F., Evlampieva, N.P., Melenevskaya, E.Y. et al. Transformation of the electronic structure of fullerene C60 caused by complex formation in N-methylpyrrolidone solutions. Tech. Phys. Lett. 26, 662–665 (2000). https://doi.org/10.1134/1.1307806
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DOI: https://doi.org/10.1134/1.1307806