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High levels of alkali-metal storage in thin films of hexa-peri-hexabenzocoronene
Samorí, P., Department of Physics, Humboldt University Berlin, Invalidenstrasse 110, D-10115 Berlin, Germany.
Dos Santos, D.A., Université de Mons-Hainaut, Place du Parc 20, B-7000 Mons, Belgium.
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2002 (English)In: Journal of Chemical Physics, ISSN 0021-9606, Vol. 116, no 24, 10854-10860 p.Article in journal (Refereed) Published
Abstract [en]

The results of the doping of molecular solid films of the medium-sized aromatic hydrocarbon hexa-peri-hexabenzocoronene (HBC), using lithium or sodium atoms were presented. The evolution of the valence band electronic structure was monitored by x-ray photoelectron spectroscopy and studied by ultraviolet photoelectron spectroscopy. Results indicated that n-doping depended on the type of alkali-metal atom employed and on the molecular order of the film. The smaller Li ion was found to have a stronger influence on the electronic structure than Na ions. These results revealed the potential use of the graphene materials in lithium-ion batteries with a high charge-storage capacity.

Place, publisher, year, edition, pages
2002. Vol. 116, no 24, 10854-10860 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-46964DOI: 10.1063/1.1479717OAI: diva2:267860
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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Friedlein, RainerSalaneck, William R
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