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Doping of fluorographene by surface adsorbates

Lookup NU author(s): Professor Patrick Briddon


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Density functional theory is used to investigate the possibility of doping fluorographene by surface adsorbates. The structure and electronic properties of fluorographene with adsorbed K, Li, Au atoms, and F4-TCNQ molecule are described. It is shown that adsorption of K or Li atoms results in electron doping of fluorographene, while Au atoms and F4-TCNQ introduce deep levels inside the band gap. The calculated value of the fluorographene work function is extremely high, 7.3 eV, suggesting that p-type doping is difficult to achieve.

Publication metadata

Author(s): Markevich A, Jones R, Briddon PR

Publication type: Article

Publication status: Published

Journal: Physical Review B

Year: 2011

Volume: 84

Issue: 11

Print publication date: 22/09/2011

ISSN (print): 1098-0121

ISSN (electronic): 1550-235X

Publisher: American Physical Society


DOI: 10.1103/PhysRevB.84.115439


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