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Nanomaterials
Volume 12
Issue 7
10.3390/nano12071193
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Article

Electrocatalytic Reduction of CO2 in Water by a Palladium-Containing Metallopolymer

by
Marcos F. S. Teixeira
1,*,
André Olean-Oliveira
1,
Fernanda C. Anastácio
1,
Diego N. David-Parra
1 and
Celso X. Cardoso
2
1
Department of Chemistry and Biochemistry, School of Science and Technology, Sao Paulo State University (UNESP), Presidente Prudente CEP 19060-900, SP, Brazil
2
Department of Physics, School of Science and Technology, Sao Paulo State University (UNESP), Presidente Prudente CEP 19060-900, SP, Brazil
*
Author to whom correspondence should be addressed.
Nanomaterials 2022, 12(7), 1193; https://doi.org/10.3390/nano12071193
Submission received: 8 March 2022 / Revised: 28 March 2022 / Accepted: 30 March 2022 / Published: 2 April 2022
(This article belongs to the Section Energy and Catalysis)
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Abstract

The palladium–salen complex was immobilized by electropolymerization onto a Pt disc electrode and applied as an electrocatalyst for the reduction of CO2 in an aqueous solution. Linear sweep voltammetry measurements and rotating disk experiments were carried out to study the electrochemical reduction of carbon dioxide. The onset overpotential for carbon dioxide reduction was approximately −0.22 V vs. NHE on the poly-Pd(salen) modified electrode. In addition, by combining the electrochemical study with a kinetic study, the rate-determining step of the electrochemical CO2 reduction reaction (CO2RR) was found to be the radial reduction of carbon dioxide to the CO adsorbed on the metal.
Keywords: metallopolymer; electroreduction of dioxide carbon; electrocatalysis; aqueous system; overpotential metallopolymer; electroreduction of dioxide carbon; electrocatalysis; aqueous system; overpotential
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MDPI and ACS Style

Teixeira, M.F.S.; Olean-Oliveira, A.; Anastácio, F.C.; David-Parra, D.N.; Cardoso, C.X. Electrocatalytic Reduction of CO2 in Water by a Palladium-Containing Metallopolymer. Nanomaterials 2022, 12, 1193. https://doi.org/10.3390/nano12071193

AMA Style

Teixeira MFS, Olean-Oliveira A, Anastácio FC, David-Parra DN, Cardoso CX. Electrocatalytic Reduction of CO2 in Water by a Palladium-Containing Metallopolymer. Nanomaterials. 2022; 12(7):1193. https://doi.org/10.3390/nano12071193

Chicago/Turabian Style

Teixeira, Marcos F. S., André Olean-Oliveira, Fernanda C. Anastácio, Diego N. David-Parra, and Celso X. Cardoso. 2022. "Electrocatalytic Reduction of CO2 in Water by a Palladium-Containing Metallopolymer" Nanomaterials 12, no. 7: 1193. https://doi.org/10.3390/nano12071193

APA Style

Teixeira, M. F. S., Olean-Oliveira, A., Anastácio, F. C., David-Parra, D. N., & Cardoso, C. X. (2022). Electrocatalytic Reduction of CO2 in Water by a Palladium-Containing Metallopolymer. Nanomaterials, 12(7), 1193. https://doi.org/10.3390/nano12071193

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