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In situ synthesis of highly dispersed Co–N–C catalysts with carbon-coated sandwich structures based on defect anchoring

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Abstract

Highly dispersed Co–N–C catalysts were successfully prepared via a defect strategy to anchor metal atoms with a carbon coating. The catalysts showed remarkable catalytic performance under mild conditions (a yield of 97.0% for ethylbenzene oxidation). Meanwhile, BET, TEM, XRD, Raman spectroscopy and XPS studies were employed to investigate the as-prepared catalysts. The results revealed that the unique structure was conducive to producing more defects in carbon, increasing the number of active sites and enhancing the dispersion of cobalt. The outstanding catalytic performance of the catalysts was attributed to the synergy effect of the special structure and the Co–N, pyridine nitrogen and graphite nitrogen species.

Graphical abstract: In situ synthesis of highly dispersed Co–N–C catalysts with carbon-coated sandwich structures based on defect anchoring

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Article information


Submitted
14 Jan 2020
Accepted
09 Mar 2020
First published
25 Mar 2020

New J. Chem., 2020, Advance Article
Article type
Paper

In situ synthesis of highly dispersed Co–N–C catalysts with carbon-coated sandwich structures based on defect anchoring

S. Li, L. Zhang, S. Jie and Z. Liu, New J. Chem., 2020, Advance Article , DOI: 10.1039/D0NJ00213E

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