najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2018-9-1-41-45najo-1371Research ArticleСтатьиOptimization of the solvent-exchange process for high-yield synthesis of aqueous fullerene dispersionsMikheevI. V.

Moscow 

PirogovaM. O.

Moscow 

BolotnikT. A.

Moscow 

VolkovD. S.

Moscow 

KorobovM. V.

Moscow 

ProskurninM. A.

Moscow 

Chemistry Department, Lomonosov Moscow State University; Analytical Centre of Lomonosov Moscow State University / Agilent Technologies Authorized Partner LaboratoryRussian FederationChemistry Department, Lomonosov Moscow State UniversityRussian Federation2018240820259141–45Copyright © Mikheev I.V., Pirogova M.O., Bolotnik T.A., Volkov D.S., Korobov M.V., Proskurnin M.A., 20252025Mikheev I.V., Pirogova M.O., Bolotnik T.A., Volkov D.S., Korobov M.V., Proskurnin M.A.Mikheev I.V., Pirogova M.O., Bolotnik T.A., Volkov D.S., Korobov M.V., Proskurnin M.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1371

The ultrasound-assisted solvent-exchange technique for aqueous fullerene dispersions (AFD) of C60 (10−4 – 10−6 M) have been improved for high-yield synthesis, thereby achieving AFDs with total recovery over 90 %. Using ICP-AES, HPLC-UV, HGC-MS, the elemental and residual organic compounds have been estimated as not exceeding 3 ppm. The possible structure of fullerene clusters in AFD was assumed as {n[C60]mC6H5COO−(m − x)Na+}xNa+.

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The authors declare that there are no conflicts of interest present.