Review Article

Electrosynthesis and Spectroscopic Characterization of Poly(o-Aminophenol) Film Electrodes

Table 1

Electropolymerization of o-aminophenol on different electrode materials and in different electrolyte media.

Electrode materialsElectrolyte mediumElectrosynthesis methodReference

Pt, Au, and glassy carbon0.1 M HClO4 + 0.4 M NaClO4 + 1 × 10−3 M o-AP (1 < pH < 7)Potentiodynamic cycling − 0.25 V and 0.70 V (SCE)[10]

Pt electrode0.4 mol cm−3 of NaClO4 + 10−2 mol dm3 of o-APPotentiodynamic cycling −0.25 V and 0.75 V (SCE)[12]

Carbon paste electrode5 mM o-AP+ 0.5 M HClO4 in the presence and in the absence of sodium dodecyl sulfatePotentiodynamic cycling −0.1 V and 0.7 V (Ag/AgCl/KCl 3 M)[13]

Platinum and glassy carbon electrodes0.2 M NaClO4 + 0.1 M HClO4 + 5 × 10−3 M o-AP solutionPotentiodynamic cycling 0.2 V and 1.3 V (RHE)[14]

Glassy carbon electrodes chemical (nitric acid (67% wt/wt) and sulfuric acid (98% wt/wt) for 10 min) and electrochemically (1.85 V (SCE) for 5 min) pretreated before electropolymerization of o-AP0.1 M H2SO4 + 0.05 M o-APPotentiodynamic method (−0.2 V and 0.7 V versus SCE)[15]

Basal-plane pyrolytic graphite and In-Sn oxide conducting glass0.5 M Na2SO4 solution (pH 1) + 50 mM o-APPotentiodynamic cycling (−0.4 and 1.0 V versus sodium chloride saturated calomel electrode)[16]

Glassy carbon1 M SO4H2 + 0.5 M Na2SO4 + 50 mM o-AP solutionPotentiodynamic cycling (−0.2 V and 1.0 V versus SCE)[17]

Glassy carbon and Pt electrodes0.05 M o-AP in a mixture of 1 M H2SO4 and 0.5 M Na2SO4Potentiodynamic cycling (−0.2 V to 0.8 V versus SCE)[18]

Pt and Au electrodes0.05 M o-AP + 0.5 M H2SO4  solutionPotentiostatic method ( 𝐸 = 0 . 7 V; 0.8 V and 0.9 V versus SCE[19]

Pt and GC electrodes0.05 M o-aminophenol solution in 0.5 M HClO4. + 10 mM sulfonated nickel phtalocyaninePotentiodynamic cycling (–0.25 and 0.7 V versus SCE)[20]

GC electrodes0.10 M HClO4 + 0.10 M o-APPotentiodynamic (−0.10 V and 1.00 V versus SCE) and potentiostatic ( 𝐸 = 1 . 0  V for a given time) methods[21]

Vitreous carbon, platinum, and copper0.3 M NaOH hydroalcoholic solution (70 vol% H2O, 30 vol% CH3OH) + 0.1 M o-APPotentiodynamic cycling[22]

Glassy carbon electrode or on a glass plate covered with semiconducting indium thin oxide1 M phosphate buffer pH 5.55 solution containing 25 μg/mL of laccase and 10 mM o-APPotentiodynamic cycling (−0.1 V and 0.9 V versus Ag/AgCl)[23]