{"refrec":{"BRefID":391588,"RR":"<b>Phan, T.H.; Van Gorp, H.; Li, Z.; Huynh, T.M.T.; Fujita, Y.; Verstraete, L.; Eyley, S.; Thielemans, W.; Uji-i, H.; Hirsch, B.E.; Mertens, S.F.L.; Greenwood, J.; Ivasenko, O.; De Feyter, S.</b> (2019). Graphite and graphene fairy circles: a bottom-up approach for the formation of nanocorrals. <i>ACS Nano 13(5)</i>: 5559-5571. <a href=\"https://dx.doi.org/10.1021/acsnano.9b00439\" target=\"_blank\">https://dx.doi.org/10.1021/acsnano.9b00439</a>","BEntID":389335,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>ACS Nano 13(5)</i>: 5559-5571. <a href=\"https://dx.doi.org/10.1021/acsnano.9b00439\" target=\"_blank\">https://dx.doi.org/10.1021/acsnano.9b00439</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Phan, T.H.; Van Gorp, H.; Li, Z.; Huynh, T.M.T.; Fujita, Y.; Verstraete, L.; Eyley, S.; Thielemans, W.; Uji-i, H.; Hirsch, B.E.; Mertens, S.F.L.; Greenwood, J.; Ivasenko, O.; De Feyter, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Phan, T.H. <i>et al.</i>","Englishabstract":"A convenient covalent functionalization approach and nanopatterning method of graphite and graphene is developed. In contrast to expectations, electrochemically activated dediazotization of a mixture of two aryl diazonium compounds in aqueous media leads to a spatially inhomogeneous functionalization of graphitic surfaces, creating covalently modified surfaces with quasi-uniform spaced islands of pristine graphite or graphene, coined nanocorrals. Cyclic voltammetry and chronoamperometry approaches are compared. The average diameter (45–130 nm) and surface density (20–125 corrals/μm<sup>2</sup>) of these nanocorrals are tunable. These chemically modified nanostructured graphitic (CMNG) surfaces are characterized by atomic force microscopy, scanning tunneling microscopy, Raman spectroscopy and microscopy, and X-ray photoelectron spectroscopy. Mechanisms leading to the formation of these CMNG surfaces are discussed. 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