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Updated: Dec 2, 2025

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Donor-acceptor covalent organic frameworks of nickel(II) porphyrin for selective and efficient CO2 reduction into CO
Nanfeng Xu1, Yingxue Diao2, Xihao Qin3
1Faculty of Materials Science & Chemistry, China University of Geosciences, Wuhan, Hubei 430074, P. R. China. kehanz@163.com and Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Hong Kong, P. R. China. xjzhu@hkbu.edu.hk.
Abstract:
Donor-acceptor two-dimensional covalent organic frameworks, PD-COF-23 and PD-COF-23-Ni, are constructed and applied for selective CO2 reduction with CO conversion rates of 20.9 μmol g-1 h-1 and 40.0 μmol g-1 h-1, respectively, in the absence of any additional photosensitizers and noble metal co-catalysts within an operation time of 25 h. The multilayer nanosheet structure, efficient charge separation and transport, and internal reductive quenching cycle of the NiTAPP fragments of PD-COF-23-Ni result in its higher photocatalytic efficiency than that of PD-COF-23.
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