Electropolymerization of Azines

FIGURE 4.4 Electrochemical polymerization of methylene green by cyclic voltammetry (50 

Polymer-modified electrodes that are prepared by electropolymerization of monomers, with mediating properties toward NADH oxidation, are attractive because the synthesis is irreversible, the long-term stability of the electrode is enhanced, and the catalytic properties of the monomer are retained. A diversity of reports on electropolymerization of o-quinone derivatives [87-89], and phenothiazine and phenoxazine derivatives with different levels of utility for practical applications, can be found in the literature [62,65,66,68,72,90-92], Electropolymerization of azinc derivatives has mainly been reported on gold [66,91], platinum [93], glassy carbon electrodes [65,68,71,81,92,94-97], and other carbonaceous electrode materials (Toray paper [98-100], graphite [101], and screen-printed carbon [70]). 

ANODIC CATALYSTS FOR OXIDATION OF CARBON-CONTAINING FUELS 

FIGURE 4.5 Scanning electron microscope (SEM) micrographs of poly(MG)-modified RVC by various deposition cycles (a) 10 cycles, (b) 25 cycles, (c) 50 cycles, and (d) 200 cycles. (Reprinted with permission from Ref. [104]. Copyright 2011, Elsevier). 

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