Rational design of isostructural 2D porphyrin-based covalent organic frameworks for tunable photocatalytic hydrogen evolution

Rufan Chen, Yang Wang, Yuan Ma, Arindam Mal, Xiao-Ya Gao, Lei Gao, Lijie Qiao, Xu-Bing Li (), Li-Zhu Wu () and Cheng Wang ()
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Rufan Chen: Wuhan University
Yang Wang: Chinese Academy of Sciences
Yuan Ma: University of Science and Technology Beijing
Arindam Mal: Wuhan University
Xiao-Ya Gao: Chinese Academy of Sciences
Lei Gao: University of Science and Technology Beijing
Lijie Qiao: University of Science and Technology Beijing
Xu-Bing Li: Chinese Academy of Sciences
Li-Zhu Wu: Chinese Academy of Sciences
Cheng Wang: Wuhan University

Nature Communications, 2021, vol. 12, issue 1, 1-9

Abstract: Abstract Covalent organic frameworks have recently gained increasing attention in photocatalytic hydrogen generation from water. However, their structure-property-activity relationship, which should be beneficial for the structural design, is still far-away explored. Herein, we report the designed synthesis of four isostructural porphyrinic two-dimensional covalent organic frameworks (MPor-DETH-COF, M = H2, Co, Ni, Zn) and their photocatalytic activity in hydrogen generation. Our results clearly show that all four covalent organic frameworks adopt AA stacking structures, with high crystallinity and large surface area. Interestingly, the incorporation of different transition metals into the porphyrin rings can rationally tune the photocatalytic hydrogen evolution rate of corresponding covalent organic frameworks, with the order of CoPor-DETH-COF

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21527-3

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DOI: 10.1038/s41467-021-21527-3

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