J. Hlavaty et al., Polymerisation of 1-iodohexa-1,3,5-triyne and hexa-1,3,5-triyne: a new synthesis of carbon nanotubes at low temperatures, CHEM COMMUN, (9), 2000, pp. 737-738
1-Iodohexa-1,3,5-triyne (I) and hexa-1,3,5-triyne (II) spontaneously polyme
rise in aprotic solution to form a solid carbonaceous product which contain
s polyyne-like structures and multi-walled carbon nanotubes with outer diam
eter ca. 10-20 nm and length 100-200 nm.