Herein, we describe a new localized functionalization method of graphene oxide (GO)
deposited on a silicon oxide surface. The functionalization starts with the reduction of GO by
electrogenerated naphthalene radical anions. The source of reducers is a microelectrode
moving close to the substrate in a typical scanning electrochemical microscopy (SECM)
configuration. Then, the recovery of electronic conductivity upon reduction enables the
selective electrochemical functionalization of the patterns. The illustrative example is the …