Purification of fullerenes

Details Purification of fullerenes Purification of fullerenes

C - Chemistry, Metallurgy

01

B

C01B 31/02 (2006.01)

Patent

CA 2137676

A low-cost and facile method of purifying fullerenes to obtain a preparation enriched in a fullerene of selected molecular weight using activated carbon involves adding a fullerene mixture to the top end of a column comprising activated carbon, pass- ing a solvent in which the selected molecular weight fullerene is soluble through the column, and recovering a fraction enriched in the selected molecular weight fullerene from the bottom end of the column. In addition to activated carbon, the column may fur- ther comprise silica gel, diatomaceous earth, or other materials which aid in column packing and eluent flow.

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