Aw. Morawski et al., MODIFIED CARBONIZATION OF POLYACRYLONITRILE BY INCORPORATION OF FECL2AND FE(NO3)(3) PORE STRUCTURE, Carbon, 32(8), 1994, pp. 1457-1461
The structure and texture of the pyrolysis product was modified by the
incorporation of FeCl2 or Fe(NO3)(3) into polyacrylonitrile (PAN). Th
e additives were added to a PAN solution in dimethylformamide. The inc
orporation of FeCl2 and Fe(NO3)(3) into PAN was found to result in car
bons with a smaller interlayer spacing than the carbon derived from pu
re PAN, as well as a larger crystallite size and a larger volume of mi
cropores with a radius of ca. 1.8 nm. FeCl2 was more effective than Fe
(NO3)(3) in the modification of the carbonization behavior of PAN.