Working electrode highly ordered pyrolytic

The other major electrochemical modification approach has been that in which aromatic diazonium salts in an electrolyte solution are reduced at a diamond electrode this leads to the formation of an aryl radical, which can then attach to the diamond surface [74], This work is based on a series of papers in which the same technique was applied to the surface modification of glassy carbon and highly ordered pyrolytic graphite (HOPG) [75-78]. This approach may also be quite fruitful for tbe covalent modification of diamond surfaces, if the attachment is as robust as it is on glassy carbon surfaces. 

The fabrication of copolymer multiheterolayers was carried out on a rotating highly oriented pyrolytic graphite (HOPG) disk electrode (working electrode 1000/r.p.m.) which leads to flat and sharp interfaces having a resolution of order Inm. The electrocopolymerization of a mixture of... 

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