Abstract
Optimization of the solvent-exchange process for high-yield synthesis of aqueous fullerene dispersions
Highlights
Fullerene-based materials have already been used in new composite materials with superconducting properties, photoresist masks, lubricants, etc. [1,2,3,4,5,6,7,8]
The ultrasound-assisted solvent-exchange procedure produces aqueous fullerene dispersions (AFDs) from a range of neat solvents, both polar and nonpolar, and that are stable for long periods
Aqueous fullerene C60 dispersions were obtained by the ultrasound-assisted solvent exchange process that is generally known in colloidal chemistry
Summary
Fullerene-based materials have already been used in new composite materials with superconducting properties, photoresist masks, lubricants, etc. [1,2,3,4,5,6,7,8]. Among the most promising are aqueous fullerene dispersions (AFDs), with a wide range of applications in medicine and other fields that require fullerenes in aqueous media [9,10,11,12,13]. AFDs of unmodified fullerenes are preferable due to biocompatibility and safety: owing to their open surface without moieties, they are not involved in metabolic processes. This is especially the case of endohedral metallofullerene (EMF) AFDs, which are promising contrast agents. Expanding the range of AFD applications requires improvement in their preparation. There was no previously described exact mechanism for the solubilization, some research has dealt with the prediction of dispersion stability
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