C. Sekar et al., EFFECT OF MOLECULAR ROTATION ON VAPOR-PHASE NUCLEATION - FULLERENES C-60 AND C-70, Fullerene science and technology, 4(3), 1996, pp. 553-563
The effect of rotational free energy of fullerenes C-60 and C-70 on ho
mogeneous nucleation of crystals from vapor phase have been studied. C
lassical nucleation parameters have been estimated for the case of nuc
leation and crystal growth of C-60 and C-70 by Physical Vapor Transpor
t (PVT) method under different supercooling in the range of 20-150 K,
keeping tile source temperatures constant. The result; shows that the
growth of large size single crystals is more feasible in the lower sup
ercooling range. The effect of change in interfacial tension on the cr
itical free energy of formation of the nuclei is also studied.