Spectra of some higher fullerens and their HPLC characteristics

Higher fullerenes in ODCB extract of primary soots by arc - heating method were concentrated by selective complexation between t - butyl calixene([8]) and C-60 Better seperation and UV - Vis spectra of higher fullerenes C-70, C-76, C-78, C-84 and C-86 were achieved using Waters 2010 - HPLC. We found that the ratio of C-78 isomers extracted by ODCB is different from that of extracts by other solvents such as toluene and CS2. In the process of HPLC seperation, we found that the logarithm of retention time In(t(R)) has a l inear relationship with the number of fullerene carbons (Carbon Number Rule of Fullerenes), we also found that the spectra of fullerenes have a tenden cy of red - shift associated with the reduction of the symmestry of fullere nes. The existence and seperation of C-86 were discussed by analysizing the LD - TOFMS,UV - Vis,HPLC and Carbon Number Rule of Fullerenes.