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Updated: Jun 8, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Enhancing selectivity through decrypting the uncoordinated zirconium sites in MOF electrocatalysts
Xiang-Da Zhang1, Ling-Rui Huang1, Jian-Xiang Wu1
1Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China. guzhiyuan@njnu.edu.cn.
Abstract:
Zirconium (Zr)-based porphyrinic metal-organic frameworks (PCN-223-M) were employed as the electrocatalysts to explore the effect of uncoordinated Zr sites on the performance of the CO2 reduction reaction (CO2RR). PCN-223-AA with the lowest uncoordinated number of 0.79 exhibited the highest FE(CO) of 90.7%. It was demonstrated that the catalytic performance of PCN-223-M showed negative correlation to the uncoordinated Zr sites. This research provided a rational strategy to design efficient MOF electrocatalysts with few uncoordinated metal sites for highly selective CO2RR.
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