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나노물질 및 화학반응 연구단
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N-doped zeolite-templated carbon as a metal-free electrocatalyst for oxygen reduction

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Title
N-doped zeolite-templated carbon as a metal-free electrocatalyst for oxygen reduction
Author(s)
Yonghyun Kwon; Kyoungsoo Kim; Ryong Ryoo
Publication Date
2016-04
Journal
RSC ADVANCES, v.6, no.49, pp.43091 - 43097
Publisher
ROYAL SOC CHEMISTRY
Abstract
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. © The Royal Society of Chemistry 2016
URI
https://pr.ibs.re.kr/handle/8788114/2630
ISSN
2046-2069
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
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