Electrodeposition of composite films of reduced graphene oxide/polyaniline in neutral aqueous solution on inert and oxidizable metal

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F17%3A00470761" target="_blank" >RIV/61389013:_____/17:00470761 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jelechem.2017.01.030" target="_blank" >http://dx.doi.org/10.1016/j.jelechem.2017.01.030</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jelechem.2017.01.030" target="_blank" >10.1016/j.jelechem.2017.01.030</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Electrodeposition of composite films of reduced graphene oxide/polyaniline in neutral aqueous solution on inert and oxidizable metal

Popis výsledku v původním jazyce

Polyaniline-graphene oxide (GO) composite films were electrodeposited under potentiodynamic conditions in a neutral potassium nitrate solution on both inert platinum and oxidizable Fe electrodes. Neutral electrolytic bath was preferred to the acidic bath due to higher stability of the GO dispersion against precipitation and higher stability of Fe against corrosion. Polyaniline-reduced GO (rGO) films were obtained by electrochemical reduction of GO in PANI-GO films. Polarization of iron in this neutral aqueous electrolyte leads to passivation of the surface but without preventing electropolymerization of aniline. The electrodeposited coatings were characterized by electrochemical impedance spectroscopy (EIS), UV–vis and FTIR techniques. The morphology and structure of the films were investigated by scanning electron microscopy (SEM). Corrosion tests performed in acidic solution (1 M HCl) demonstrate the potential utility of PANI-rGO composite as an anticorrosion coating.

Název v anglickém jazyce

Electrodeposition of composite films of reduced graphene oxide/polyaniline in neutral aqueous solution on inert and oxidizable metal

Popis výsledku anglicky

Polyaniline-graphene oxide (GO) composite films were electrodeposited under potentiodynamic conditions in a neutral potassium nitrate solution on both inert platinum and oxidizable Fe electrodes. Neutral electrolytic bath was preferred to the acidic bath due to higher stability of the GO dispersion against precipitation and higher stability of Fe against corrosion. Polyaniline-reduced GO (rGO) films were obtained by electrochemical reduction of GO in PANI-GO films. Polarization of iron in this neutral aqueous electrolyte leads to passivation of the surface but without preventing electropolymerization of aniline. The electrodeposited coatings were characterized by electrochemical impedance spectroscopy (EIS), UV–vis and FTIR techniques. The morphology and structure of the films were investigated by scanning electron microscopy (SEM). Corrosion tests performed in acidic solution (1 M HCl) demonstrate the potential utility of PANI-rGO composite as an anticorrosion coating.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10404 - Polymer science

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Electroanalytical Chemistry

ISSN

1572-6657

e-ISSN

—

Svazek periodika

786

Číslo periodika v rámci svazku

1 February

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

10

Strana od-do

135-144

Kód UT WoS článku

000394063600019

EID výsledku v databázi Scopus

2-s2.0-85009823839