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Reversible Grafting of α-Naphthylmethyl Radicals to Epitaxial Graphene


  • This work was supported by DOD/DMEA under Contract H94003-10-2-1003 and NSF-MRSEC under Contract DMR-0820382.


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The Kolbe electrochemical oxidation strategy has been utilized to achieve an efficient quasireversible electrochemical grafting of the α-naphthylmethyl functional group to graphene. The method facilitates reversible bandgap engineering in graphene and preparation of electrochemically erasable organic dielectric films. The picture shows Raman D-band maps of both systems.