Issue 1, 2023

Multivariate indium–organic frameworks for highly efficient carbon dioxide capture and electrocatalytic conversion

Abstract

It is crucial to design highly selective and cost-effective materials for efficient CO2 uptake and the desirable transformation of CO2 into fuels or high-value chemical products. Here, we synthesize a series of trinuclear indium cluster-based metal–organic frameworks (MOFs) for highly efficient CO2 capture and electrocatalytic conversion into C1 products. By adjusting the metal type and replacing the ligand, the mixed metal-based MOF InCo-ABDBC-HIN shows high CO2 capture performance (101.7 cm3 g−1 at 273 K under low pressure) and superior activity (a maximum FEC1 of 81.5% at −2.2 V vs. Ag/Ag+) for electrocatalytic CO2 reduction in organic electrolytes due to its modified electronic structure. Theoretical calculations suggest that the substitution of In by Co significantly modified the electronic structure of In-based clusters, which provides rich unpaired electrons for the CO2RR and enhances the charge transfer efficiency. This work provides a specially coordinated trinuclear indium cluster-based MOF and sheds new light on the precise structural design of both CO2 adsorbents and electrocatalysts for efficient CO2 reduction.

Graphical abstract: Multivariate indium–organic frameworks for highly efficient carbon dioxide capture and electrocatalytic conversion

Supplementary files

Article information

Article type
Research Article
Submitted
19 sen 2022
Accepted
08 noy 2022
First published
08 noy 2022

Inorg. Chem. Front., 2023,10, 158-167

Multivariate indium–organic frameworks for highly efficient carbon dioxide capture and electrocatalytic conversion

S. Wang, Y. Wang, J. Huo, W. Yuan, P. Zhang, S. Li and Q. Zhai, Inorg. Chem. Front., 2023, 10, 158 DOI: 10.1039/D2QI02020C

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