Electrochemical nanogravimetric study of the electropolymerization of 6-aminoindole and the redox transformations of the polymer formed in aqueous media

Berkes, Balázs B.; Nemes, Ákos; Moore, Colin; Szabó, Franciska; Inzelt, György

doi:10.1007/s10008-013-2132-1

Cited by 5 publications

(3 citation statements)

References 34 publications

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“…However, experimental values vary between ∼70 and ∼100 g/mol. This can be explained by the fact that initial stages of the polymer formation involve certain local overoxidation of the growing polymer, , e.g., resulting in the following fragments (PI over ):…”

Section: Resultsmentioning

confidence: 99%

Electropolymerization: Further Insight into the Formation of Conducting Polyindole Thin Films

2015

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Electropolymerization is a promising route to design new functional surfaces. In this work, we investigate electropolymerization of indole at polycrystalline Pt electrode surfaces in acidic sulfuric media using in situ nanogravimetry, electrochemical impedance spectroscopy, and direct current (dc) measurements applied simultaneously to elucidate the physical model of the electrified interface during this process. Monitoring the electrode mass change with a quartz crystal nanobalance allows quantification of the overall electropolymerization kinetics and, together with the dc-response, provides further insight into the dynamics of the film formation. Complementary electrochemical impedance spectroscopy measurements quantify specific parameters characterizing the processes which involve the interfacial charge transfer during the film growth. Importantly for various applications, it has been also demonstrated that the growth of polyindole thin films can be controlled using just molecular oxygen dissolved in the electrolytes.

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Section: Resultsmentioning

confidence: 99%

Electropolymerization: Further Insight into the Formation of Conducting Polyindole Thin Films

2015

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“…One has to consider also the deposition step which strongly depends on the nature of the substrate (metal, carbon etc.). Some metals can catalyze the oxidation of the monomer or a first layer of monomers may be formed due to the chemisorption on the metal which is characteristic in several monomers on Pt or PtO [27].…”

Section: Electropolymerizationmentioning

confidence: 99%

“…Similar phenomenon can be observed practically for all indole derivatives as shown in Figures 12-14 in the case of 6-aminoindole. [27].…”

Section: Overoxidationmentioning

confidence: 99%

Synthesis; Redox behaviour; Composites; Sensors; Biosensors; Supercapacitors; Electrocatalysis

Inzelt

2017

J. Electrochem. Sci. Eng.

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Marine biocorrosion inhibition of Pseudomonas sp. biofilms on 304 stainless steel coated with poly-6-aminoindole produced by two different electrochemical methods

Castañeda,

Castillo,

Pascual

et al. 2024

Progress in Organic Coatings

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Electrochemical nanogravimetric study of the electropolymerization of 6-aminoindole and the redox transformations of the polymer formed in aqueous media

Cited by 5 publications

References 34 publications

Electropolymerization: Further Insight into the Formation of Conducting Polyindole Thin Films

Electropolymerization: Further Insight into the Formation of Conducting Polyindole Thin Films

Synthesis; Redox behaviour; Composites; Sensors; Biosensors; Supercapacitors; Electrocatalysis

Marine biocorrosion inhibition of Pseudomonas sp. biofilms on 304 stainless steel coated with poly-6-aminoindole produced by two different electrochemical methods

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