Abstract
Raman spectra of the two-dimensional rhombohedral (2D-R) polymer of C60 were measured at ambient conditions after 0.5 hour of treatment at various elevated temperatures in order to study the process of polymer degradation. The 2D-R polymer is stable up to ∼510 K, while at higher temperatures an intermediate state appears where the initial 2D-R polymer coexists with inclusions of tetragonal-like (T-like) and orthorhombic-like (O-like) oligomers, as well as C60 dimers and monomers. The polymeric material changes drastically its composition after treatment at ∼560 K resulting in the domination of C60 monomers.
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