Boosting electrochemical CO2 reduction on metal–organic frameworks via ligand doping

Boosting electrochemical CO2 reduction on metal–organic frameworks via ligand doping

Electrochemical CO2 reduction relies on the availability of highly efficient and selective catalysts. Herein, we report a general strategy to boost the activity of metal–organic frameworks (MOFs) towards CO2 reduction via ligand doping. A strong electron‐donating molecule of 1,10‐phenanthroline was...

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Bibliographic Details
Main Authors: Dou, Shuo, Song, Jiajia, Xi, Shibo, Du, Yonghua, Wang, Jiong, Huang, Zhen-Feng, Xu, Jason Zhichuan, Wang, Xin
Other Authors: School of Chemical and Biomedical Engineering
Format: Article
Language:English
Published: 2020
Subjects:
Engineering::Chemical engineering
Charge Transfer
CO2 Electrochemical Reduction
Online Access:https://hdl.handle.net/10356/143477
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Institution: Nanyang Technological University
Language: English
Description
Summary:Electrochemical CO2 reduction relies on the availability of highly efficient and selective catalysts. Herein, we report a general strategy to boost the activity of metal–organic frameworks (MOFs) towards CO2 reduction via ligand doping. A strong electron‐donating molecule of 1,10‐phenanthroline was doped into Zn‐based MOFs of zeolitic imidazolate framework‐8 (ZIF‐8) as CO2 reduction electrocatalyst. Experimental and theoretical evidences reveal that the electron‐donating nature of phenanthroline enables a charge transfer, which induces adjacent active sites at the sp2 C atoms in the imidazole ligand possessing more electrons, and facilitates the generation of *COOH, hence leading to improved activity and Faradaic efficiency towards CO production.

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