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Ki Chang Kwon, Kyoung Soon Choi and Soo Young Kim Increased Work Function in Few-Layer Graphene Sheets via Metal Chloride Doping Advanced Functional Materials 22

Version of Record online: 5 JUL 2012 | DOI: 10.1002/adfm.201200997

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A chemical approach to controlling the work function of graphene is investigated. The work function of graphene increases from 4.2 eV to 5.0, 4.9, 4.8, 4.68, 5.0, and 5.14 eV for the graphene with 20 mM AuCl3, IrCl3, MoCl3, OsCl3, PdCl2, and RhCl3, respectively. Spontaneous charge transfer occurs from graphene to the metal ions, increasing the work function.

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