Issue 46, 2021

The role of the metal center on charge transport rate in MOF-525: cobalt and nickel porphyrin

Abstract

Metal-organic Frameworks (MOFs) have emerged as promising materials for different electrochemical applications. Their low conductivity, however, is a major challenge to overcome. Therefore, a deeper understanding on the charge transfer mechanism is needed to improve the conductivity of MOF-based electrodes. For this contribution, we focused on metalated MOF-525 and found that the nature of the metal center is one of the many factors contributing to the charge transfer kinetics, which is attributed to differences in redox behaviour, affecting the hopping distance and the electron transfer rate. These results highlight the importance of the nature of the redox active site to optimize charge transfer in MOF-based electrodes.

Graphical abstract: The role of the metal center on charge transport rate in MOF-525: cobalt and nickel porphyrin

Supplementary files

Article information

Article type
Communication
Submitted
11 Nhl 2021
Accepted
30 Nhl 2021
First published
08 Huk 2021

Dalton Trans., 2021,50, 16939-16944

The role of the metal center on charge transport rate in MOF-525: cobalt and nickel porphyrin

P. A. Herrera-Herrera, E. Rodríguez-Sevilla and A. S. Varela, Dalton Trans., 2021, 50, 16939 DOI: 10.1039/D1DT03435A

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