Polyethylenimine-Enhanced Electrocatalytic Reduction of CO2 to Formate at Nitrogen-Doped Carbon Nanomaterials | Zendy

Sheng Zhang | Zendy; Peng Kang | Zendy; Stephen M. Ubnoske | Zendy; M. Kyle Brennaman | Zendy; Na Song | Zendy; Ralph L. House | Zendy; Jeffrey T. Glass | Zendy; Thomas J. Meyer | Zendy

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Polyethylenimine-Enhanced Electrocatalytic Reduction of CO₂ to Formate at Nitrogen-Doped Carbon Nanomaterials

Author(s) -

Sheng Zhang,

Peng Kang,

Stephen M. Ubnoske,

M. Kyle Brennaman,

Na Song,

Ralph L. House,

Jeffrey T. Glass,

Thomas J. Meyer

Publication year - 2014

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja5031529

Subject(s) - overpotential , chemistry , polyethylenimine , catalysis , formate , inorganic chemistry , overlayer , carbon nanotube , nanomaterials , nanotechnology , electrochemistry , organic chemistry , electrode , materials science , transfection , biochemistry , gene

Nitrogen-doped carbon nanotubes are selective and robust electrocatalysts for CO2 reduction to formate in aqueous media without the use of a metal catalyst. Polyethylenimine (PEI) functions as a co-catalyst by significantly reducing catalytic overpotential and increasing current density and efficiency. The co-catalysis appears to help in stabilizing the singly reduced intermediate CO2(•-) and concentrating CO2 in the PEI overlayer.

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