Spectroscopic Characterization of Poly(ortho-Aminophenol) Film Electrodes: A Review Article

Table 1

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

Electrode materials	Electrolyte medium	Electrosynthesis method	Reference
Pt, Au and glassy carbon	0.1 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)	[1]
Pt electrode	0.4 mol cm^−3 of NaClO4 + 10^−2 mol dm^−3 of o-AP	Potentiodynamic cycling; −0.25 V and 0.75 V (SCE)	[2]
Carbon paste electrode	5 mM o-AP + 0.5 M HClO4; In the presence and in the absence of sodium dodecyl sulfate	Potentiodynamic cycling; −0.1 V and 0.7 V (Ag/AgCl/KCl 3 M)	[3]
Platinum and glassy carbon electrodes	0.2 M NaClO4 + 0.1 M HClO4 + 5 × 10^−3 M o-AP solution	Potentiodynamic cycling; 0.2 V and 1.3 V (RHE)	[4]
Glassy carbon electrodes chemically (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-AP	0.1 M H2SO4 + 0.05 M o-AP	Potentiodynamic method (−0.2 V and 0.7 V versus SCE)	[5]
Basal-plane pyrolytic graphite and In-Sn oxide conducting glass	0.5 M Na2SO4 solution (pH 1) + 50 mM o-AP	Potentiodynamic cycling (−0.4 and 1.0 V versus sodium chloride saturated calomel electrode )	[6]
Glassy carbon	1 M SO4H2 + 0.5 M Na2SO4 + 50 mM o-AP solution	Potentiodynamic cycling (−0.2 V and 1.0 V versus SCE)	[7]
Glassy carbon and Pt electrodes	0.05 M o-AP in a mixture of 1 M H2SO4 and 0.5 M Na2SO4	Potentiodynamic cycling (−0.2 V to 0.8 V versus SCE)	[8]
Pt and Au electrodes	0.05 M o-AP + 0.5 M H2SO4 solution	Potentiostatic method (𝐸=0.7 V; 0.8 V and 0.9 V versus SCE	[9]
Pt and GC electrodes	0.05 M o-aminophenol solution in 0.5 M HClO4 + 10 mM sulfonated nickel phtalocyanine	Potentiodynamic cycling (–0.25 and 0.7 V versus SCE)	[10]
GC electrodes	0.10 M HClO4 + 0.10 M o-AP	Potentiodynamic (−0.10 V and 1.00 V versus SCE) and potentiostatic (𝐸=1.0 V for a given time) methods	[11]
Vitreous carbon, platinum, and copper	0.3 M NaOH hydroalcoholic solution (70 vol% H2O, 30 vol% CH3OH) + 0.1 M o-AP	Potentiodynamic cycling	[12]
Glassy carbon electrode or on a glass plate covered with semiconducting indium thin oxide	1 M phosphate buffer solution (pH 5.55) containing 25 𝜇g/mL of laccase and 10 mM o-AP	Potentiodynamic cycling (−0.1 V and 0.9 V versus Ag/AgCl)	[13]