2019
DOI: 10.1002/elan.201800795
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Influence of Cathodic Pretreatment in the Electrocatalytic Properties PANI Modified Electrodes

Abstract: Herein, we reported the detection of dopamine (DA) based on use of a cathodically pretreated polyaniline (PANI) modified electrode. The PANI electrode presents a remarkable change in their electrocatalytic properties after a simple cathodic pretreatment, which consisted in applying a potential of −0.7 V for 3 s. While the as‐prepared PANI shows no electrochemical response for DA, the cathodically pretreated PANI presented reversible electrochemical responses with well‐defined anodic and cathodic peaks. The ele… Show more

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“…Conducting polymers, such as PANI, polypyrrole (PPy), polythiophene (PTH), and their derivatives, have many applications as supercapacitors, [23] sensors, [24][25][26] and corrosion protection [27,28] as well as the presence of conformational relaxation movements of the polymeric chains, [29,30] due to their stability, high conductivity, and redox reaction reversibility. [31][32][33] Many efforts have been made to synthesize inorganic nanoparticles from plant extracts in a green manner.…”
Section: Introductionmentioning
confidence: 99%
“…Conducting polymers, such as PANI, polypyrrole (PPy), polythiophene (PTH), and their derivatives, have many applications as supercapacitors, [23] sensors, [24][25][26] and corrosion protection [27,28] as well as the presence of conformational relaxation movements of the polymeric chains, [29,30] due to their stability, high conductivity, and redox reaction reversibility. [31][32][33] Many efforts have been made to synthesize inorganic nanoparticles from plant extracts in a green manner.…”
Section: Introductionmentioning
confidence: 99%