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Thermochemical Insights into Fullerene Aggregation and the Phthalocyanine-Fullerene Interaction in Efficient Solvents
Nathalya S Lebedeva1, Yuri A Gubarev1, Arkadiy M Kolker1
1G. A. Krestov Institute of Solution Chemistry, Russian Academy of Science, 1, Akademicheskaya St., 153045, Ivanovo, Russia.
Abstract:
The physicochemical behavior of fullerene C60 in hydrocarbon solvents is examined by isothermal titration calorimetry, photocalorimetry, and UV spectroscopy. The obtained data are summarized to substantiate the idea of the binary fullerene/solvent cluster as a colloidal nanoentity that moderates noncovalent interactions of the C60 molecule in solution. This idea serves to aid understanding of the complex physicochemical behavior of tert-butyl-substituted phthalocyanine in C60 -saturated o-xylene under illumination with low-energy photons. The proposed experimental approach, which focuses on concentrated solutions and is applicable to multicomponent systems, is discussed as a potential tool of materials science.
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