Effective Separation of Fullerene Mixture by Sorbent on The Base of Aluminium Oxide

Abstract

In this paper the results of synthesis and investigate of novel sorbent on the base of aluminium oxide with carbon cover are presented. It was established that application of concentrate fullerene solution on the oxide aluminium powder and following annealing allowed to synthesize sorbent with the surface which is density cover by carbon. The structure of aluminium oxide after annealing does not change significantly according to RFCA data. It was established by XPS method that molecules of C^sub 60^ chemically bonded with aluminium oxide are presented at the carbon cover. There are oxygen-containing groups and amorphous carbon on the sorbent surface. The test of using sorbet show the effective extraction of C^sub 60^ and C^sub 70^ from the fullerene mixture by single stage separation: C^sub 60^ with purity 98% and C^sub 70^ with purity 70%.