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|Title:||Synergistic catalysis between atomically dispersed Fe and a pyrrolic-N-C framework for CO2 electroreduction|
|Citation:||Nanoscale Horizons, 2019; 4(6):1411-1415|
|Publisher:||Royal Society of Chemistry|
|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|
|Appears in Collections:||Chemical Engineering publications|
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