Sensing Surface Phase Transitions on Fullerene C60 Nanospheres in Water-Ethanol MixtureProceedings of the Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference
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AbstractThis paper reports the results of a study of adsorption of small molecules on the surface of buckminsterfullerene, C60 and on single walled carbon nanotubes (SWNT). The pressure dependence of the Raman spectrum was investigated over the range 0-100 kbar in methanol-water mixtures that were used as the pressure-transmitting-fluid (PTF) in a diamond anvil cell. It is found that the spectral shift and its pressure derivative are sensitive to both the applied pressure and to the composition of the PTF. These observations are consistent with an explanation that involves preferential adsorption onto the surface of the C/sub 60/. In particular, the notion of C60 collapse need not be invoked to explain the observations.
Citation InformationMostafa M. El-Ashry, Maher S. Amer and John F. Maguire. "Sensing Surface Phase Transitions on Fullerene C60 Nanospheres in Water-Ethanol Mixture" Proceedings of the Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference (2003) p. 489 - 492 ISSN: 0780379357
Available at: http://works.bepress.com/maher_amer/44/