4.8 Article

Does Nitrogen Doping Enhance the Electrocatalysis of the Oxygen Reduction Reaction by Multiwalled Carbon Nanotubes?

Journal

ACS CATALYSIS
Volume 12, Issue 15, Pages 8740-8745

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acscatal.2c02465

Keywords

oxygen reduction reaction; voltammetry; single-entity electrochemistry; MWCNTs; amino-functionalized nanotubes

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Single-entity electrochemistry measurements were used to compare the electrocatalysis of the oxygen reduction reaction (ORR) by multiwalled carbon nanotubes (MWCNTs) or amino-functionalized multiwalled carbon nanotubes (MWCNTs-NH2). The evidence showed that the electroactive surface oxygen functionality played the most important role in the catalysis process, not the nitrogen content.
Single-entity electrochemistry measurements were used to compare the electrocatalysis of the oxygen reduction reaction (ORR) by means of multiwalled carbon nanotubes (MWCNTs) or amino-functionalized multiwalled carbon nanotubes (MWCNTs-NH2). All of the evidence showed that an electroactive surface oxygen functionality played the most important role in the catalysis process, not the nitrogen content.

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