Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
65 (1994), S. 374-376
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A method is described which utilizes the difference in vapor pressure between C60 and heavier fullerenes to produce ultrahigh purity C60. Fullerene extract is introduced into one end of a distillation column with a series of evenly spaced perforated baffles inside. The extract is heated to 970 K under high vacuum, and a linear temperature gradient is established along the column. As the mixed fullerene vapor effuses down the column, it becomes enriched in the more volatile species. C60 with a purity of 99.97% has been obtained. This method shows promise in the purification of more exotic fullerene compounds.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.112380
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