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Amide-Engineered Metal–Organic Porous Liquids Toward Enhanced CO2 Photoreduction Performance...

by Zhenzhen Yang, Sheng Dai
Publication Type
Journal
Journal Name
Advanced Functional Materials
Publication Date
Page Numbers
1 to 10
Volume
34
Issue
19

The development of alternative catalytic systems toward high-performance CO2 photoreduction is considered to be a promising approach to address the future energy demand and reduce the CO2 emissions. However, CO2 molecules are thermodynamically stable in nature, and thus the adsorption and activation of CO2 on the surface of catalysts are the key factors to determine the conversion efficiency. Herein, a porous liquid (NH2-UIO-66 PL) is demonstrated for efficiently facilitating the adsorption and activation of CO2 by modification of metal–organic framework (NH2-UIO-66) with ionic liquid via amide bonds. CdS/NH2-UIO-66 PL exhibits high-performance CO2-to-CO photoreduction with CO yield of 71.37 µmol g−1 h−1 and selectivity of 100%. Experiments and theoretical calculations show that the introduced amide moieties not only enriched the electron density at Zr4+ active sites but also stabilize *COOH intermediate. The achievements provide an effective strategy for the development of metal–organic frameworks for energy catalysis.