High levels of alkali-metal storage in thin films of hexa-peri-hexabenzocoronene

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.

Samori, P.Samorí, P., Department of Physics, Humboldt University Berlin, Invalidenstrasse 110, D-10115 Berlin, Germany (author)
Dos, Santos D.A.Dos Santos, D.A., Université de Mons-Hainaut, Place du Parc 20, B-7000 Mons, Belgium (author)
Birgerson, J. (author)
Friedlein, RainerLinköpings universitet,Tekniska högskolan,Ytors Fysik och Kemi(Swepub:liu)raifr42 (author)
Dkhissi, A.Université de Mons-Hainaut, Place du Parc 20, B-7000 Mons, Belgium (author)
Watson, M.Max-Planck-Institut for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany (author)
Mullen, K.Müllen, K., Max-Planck-Institut for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany (author)
Bredas, J.L.Brédas, J.L., Université de Mons-Hainaut, Place du Parc 20, B-7000 Mons, Belgium, Department of Chemistry, University of Arizona, Tucson, AZ 85721, United States (author)
Rabe, J.P.Department of Physics, Humboldt University Berlin, Invalidenstrasse 110, D-10115 Berlin, Germany (author)
Salaneck, William RLinköpings universitet,Tekniska högskolan,Ytors Fysik och Kemi(Swepub:liu)wilsa67 (author)
Samorí, P., Department of Physics, Humboldt University Berlin, Invalidenstrasse 110, D-10115 Berlin, GermanyDos Santos, D.A., Université de Mons-Hainaut, Place du Parc 20, B-7000 Mons, Belgium (creator_code:org_t)

In:Journal of Chemical Physics: AIP Publishing116:24, s. 10854-108600021-96061089-7690

By the author/editor: Keil, M.; Samori, P.; Dos, Santos D.A.; Birgerson, J.; Friedlein, Raine ...; Dkhissi, A.; show more...; Watson, M.; Mullen, K.; Bredas, J.L.; Rabe, J.P.; Salaneck, Willia ...; show less...

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