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Saturday, November 26, 2022
HomeNanotechnologySelf-assembly of C60 fullerene molecules within the hexane–xylene solvent system: Fullerenes, Nanotubes...

Self-assembly of C60 fullerene molecules within the hexane–xylene solvent system: Fullerenes, Nanotubes and Carbon Nanostructures: Vol 0, No 0


Abstract

The behavior of self-assembly of C60 molecules in solutions of C60/hexane/xylene were studied by the methods of refractometry, ultraviolet–visible spectroscopy and dynamic light scattering (DLS). It was experimentally shown that with a slight increase in either the concentration of fullerene C60 or the volume fraction of xylene in a C60/hexane/xylene solution, the refractive index of the medium increases. Increasing the xylene content of the C60/hexane/xylene system leads to significant changes in charge transfer between solute and solvent, which, in particular, exhibit both a positive solvatochromic effect and a hypochromic effect in a strong absorption band at ∼328.8 nm. It was established by the DLS method that with an increase in the concentration of C60 in the C60/hexane solution from 20 to 30 mg/dm3, the maximum radius of the synthesized nanoclusters in solutions changed from ∼6.25 nm to ∼17.2 nm, and also with an increase in the mole fraction of xylene in the C60/hexane/xylene system, the cluster size gradually decreases.

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