N-doped zeolite-templated carbon as a metal-free electrocatalyst for oxygen reduction

Nitrogen-doped, zeolite-templated carbon was synthesized using aqueous acetonitrile as a nitrogen-containing carbon source, and beta zeolite as a template. The carbon had a three-dimensionally ordered microporous structure with a large surface area, which consisted of sp(2)-carbon. The nitrogen content was approximately 4 wt%. In the electrocatalytic oxygen reduction reaction, the nitrogen-doped zeolite-templated carbon showed a notably high current density and a positive onset potential as compared to nitrogen-doped reduced graphene oxide. The surface of this carbon also had a lower work function than that of planar graphene. The high catalytic performance with the low work function of this carbon seems to come from a curved graphene-like framework structure containing nitrogen
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2016-04
Language
English
Keywords

PROBE FORCE MICROSCOPY; FUNCTIONAL-GROUPS; HYDROGEN STORAGE; POROUS CARBON; ACTIVE-SITES; SOLAR-CELLS; GRAPHENE; NANOTUBES; CATALYSTS; SURFACE

Citation

RSC ADVANCES, v.6, no.49, pp.43091 - 43097

ISSN
2046-2069
DOI
10.1039/c6ra08085e
URI
http://hdl.handle.net/10203/209765
Appears in Collection
CH-Journal Papers(저널논문)
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