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https://hdl.handle.net/2440/127137
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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 2055-6764 |
Statement of Responsibility: | 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 |
Grant ID: | http://purl.org/au-research/grants/arc/DP160104866 http://purl.org/au-research/grants/arc/DP170104464 http://purl.org/au-research/grants/arc/DE160101163 http://purl.org/au-research/grants/arc/FL170100154 |
Published version: | http://dx.doi.org/10.1039/c9nh00361d |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
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