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Abstract
A non-destructive method to determine the percent composition and relative purity of bulk solid phase mixed fullerene samples using Raman spectroscopy is described. This ratiometric method has a significant advantage in ease of use over other methods, in that the samples are analyzed in a short time, as solids in suspension, with minimal sample pre-preparation, using easy to operate instrumentation. The ratio of unique vibrational bands vs. percent composition is used to construct a calibration curve, and a detection limit estimated in the presence of chemical noise.
Acknowledgements
This work was supported by the National Science Foundation [TUES 1043847]; the University System of Georgia Board of Regents [Stem 2 Initiative] and the University of West Georgia, Department of Chemistry.