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Si-Doped Single-Walled Carbon Nanotubes as Potential Catalysts for Oxygen Reduction Reactions

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Abstract The DFT wB97XD/6-31G* method was used to calculate Si-doped single-walled carbon nanotubes of various diameters, SiC 119 (NT-1) and SiC 83 (NT-2). The oxygen adsorption on the silicon atom… Click to show full abstract

Abstract The DFT wB97XD/6-31G* method was used to calculate Si-doped single-walled carbon nanotubes of various diameters, SiC 119 (NT-1) and SiC 83 (NT-2). The oxygen adsorption on the silicon atom and the oxygen reduction reaction by attaching a proton with further reduction at the cathode were studied as a part of a two- and four-electron mechanism of the oxygen reduction reaction. The diagrams of free energy in an acidic and alkaline medium were constructed.

Keywords: doped single; oxygen reduction; carbon nanotubes; single walled; reduction; walled carbon

Journal Title: Russian Journal of General Chemistry
Year Published: 2020

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