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Laboratory evidence for the formation of hydrogenated fullerene molecules

Published online by Cambridge University Press:  12 October 2020

J. D. Thrower Open the ORCID record for J. D. Thrower [Opens in a new window] ,
G. Pantazidis Open the ORCID record for G. Pantazidis [Opens in a new window] ,
M. Scheffler ,
F. D. S. Simonsen Open the ORCID record for F. D. S. Simonsen [Opens in a new window] ,
P. A. Jensen  and
L. Hornekær
J. D. Thrower
Affiliation:
Department of Physics & Astronomy, Aarhus University, 8000 Aarhus C, Denmark email: thrower@phys.au.dk
G. Pantazidis
Affiliation:
Department of Physics & Astronomy, Aarhus University, 8000 Aarhus C, Denmark email: thrower@phys.au.dk
M. Scheffler
Affiliation:
Department of Physics & Astronomy, Aarhus University, 8000 Aarhus C, Denmark email: thrower@phys.au.dk
F. D. S. Simonsen
Affiliation:
Department of Physics & Astronomy, Aarhus University, 8000 Aarhus C, Denmark email: thrower@phys.au.dk
P. A. Jensen
Affiliation:
Department of Physics & Astronomy, Aarhus University, 8000 Aarhus C, Denmark email: thrower@phys.au.dk
L. Hornekær
Affiliation:
Department of Physics & Astronomy, Aarhus University, 8000 Aarhus C, Denmark email: thrower@phys.au.dk Interdisciplinary Nanoscience Center (iNANO), Aarhus University, 8000 Aarhus C, Denmark email: liv@phys.au.dk
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Abstract

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Experimental evidence for the formation of hydrogenated fullerene molecules is presented. Films of C60 were grown on a highly oriented pyrolytic graphite (substrate) and exposed to a beam of deuterium atoms. Thermal desorption combined with mass spectrometry was used to determine the deuterated fullerene products formed, revealing a maximum degree of deuteration corresponding to C60D36. Release of D2 from the deuterated C60 film occurs at a much higher temperature than for D-saturated graphite.

Keywords

physical data and processes: astrochemistrymethods: laboratoryISM: moleculesISM: clouds
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 144 - 147
Copyright
© International Astronomical Union 2020

Footnotes

†

Present address: School of Engineering and Natural Sciences, University of Iceland, Reykjavík, Iceland

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