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Deuteration of C60 on a highly oriented pyrolytic graphite surface

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Reactions on carbonaceous surfaces play an important role in processes such as H2 formation in the interstellar medium. We have investigated the adsorption of C60 molecules on a highly oriented pyrolytic graphite (HOPG) surface and then exposed them to a beam of deuterium atoms in order to investigate the formation of deuterated fullerenes. Scanning tunneling microscopy (STM) was used to probe the adsorbed molecules and their deuteration. Deuteration of C60 films results in increased thermal stability of the film, relative to films of pristine C60, along with an evolution towards higher deuterated species. The STM data provide confirmatory evidence for the formation of deuterated fullerene species.

TidsskriftProceedings of the International Astronomical Union
Sider (fra-til)458-459
Antal sider2
StatusUdgivet - apr. 2019

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