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Type: Journal article
Title: Synergistic catalysis between atomically dispersed Fe and a pyrrolic-N-C framework for CO2 electroreduction
Author: Xu, C.
Vasileff, A.
Wang, D.
Jin, B.
Zheng, Y.
Qiao, S.
Citation: Nanoscale Horizons, 2019; 4(6):1411-1415
Publisher: Royal Society of Chemistry
Issue Date: 2019
ISSN: 2055-6756
Statement of
Chaochen Xu, Anthony Vasileff, Dan Wang, Bo Jin, Yao Zheng, and Shi-Zhang Qiao
Abstract: Atomically dispersed Fe immobilized within N-doped carbon nanosheets (Fe-SA) is successfully synthesized. The optimal Fe-SA catalyst achieves a high faradaic efficiency of ca. 90% for CO2 electroreduction toward CO at a low overpotential of 0.47 V. A series of controlled tests show that there is a synergistic effect between the Fe centers and the pyrrolic-N-C framework which facilitates catalytic activity. Specifically, pyrrolic-N-C sites with high local electron density increase the initial CO2 adsorption while positively charged Fe enhances the water dissociation to provide a proton source for further CO2 reduction.
Rights: © This journal is © The Royal Society of Chemistry 2019
DOI: 10.1039/c9nh00361d
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Appears in Collections:Chemical Engineering publications

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