Abstract

High resolution photoemission studies of solid O 2 in contact with multilayer films of C 60 on solid substrates showed conversion to CO, CO 2 carbonyl-like structures, and a carbon residue upon exposure to low energy and high energy photon sources. These processes are probably activated by the capture of a low energy electron to form the more reactive O − 2 species. These results reveal thermodynamically favored reaction processes but also kinetic limitations for our condensed structures. No reaction of O 2 with C 60 was observed without photoexcitation.

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