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Original Articles

On the Stability of Fullerene C60 in Aqueous Medium

, , , , , , , & show all
Pages 737-742 | Published online: 14 May 2012
 

Abstract

Fullerene C60 was dissolved in toluene-water mixture under sonochemical activation, and after toluene evaporation a stable aqueous solution remained. The problem of C60 stability in aqueous medium was studied by means of polarization modulation infrared reflection adsorption spectroscopy (PM IRRAS), time-of-flight secondary ion mass spectrometry (TOF SIMS) and atomic force microscopy/scanning tunneling microscopy (AFM/STM) techniques. It was found that C60 clusters are in the aqueous solution stabilized by the presence of thin layer of methylbenzoate produced during sonication.

Acknowledgment

This work was supported by the Grant Agency of the Czech Republic (203/09/P502, 203/09/1607, 203/08/1157 and 203/09/0705), by the Academy of Sciences of the Czech Republic (contracts IAA 400400804 and KAN 200100801).

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