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Post-modification of metal-organic framework for improved CO2 photoreduction efficiency by An-An Zhang; Rui Wang; Hai-Bo Huang; Tian-Fu Liu; Rong Cao is a Chemistry article available to read on EtoBox.

What is Post-modification of metal-organic framework for improved CO2 photoreduction efficiency about?

Utilizing metal-organic frameworks (MOFs) to design photocatalysts for CO 2 reduction catalysts is an excellent idea but currently restricted by the relatively low activity. Enhancing CO 2 affinity and tuning the oxidation state of metal clusters in MOFs might be a solution to improve the catalytic performance. Herein, the Cl-bridge atoms in the metal clusters of a cobalt MOF were easily exchanged with OH -, which simultaneously oxidized a portion of Co(II) to Co(III) and resulted in a much enhanced photocatalytic activity for CO 2 reduction. In contrast, the original framework does not exhibit such superior activity. Comprehensive characterizations on their physicochemical properties revealed that the introduction of hydroxyl group not only greatly increases the CO 2 affinity but also alters the oxidation state of metal clusters, resulting in significantly improved photocatalytic activities for CO 2 reduction. This work provides important insight into the design of efficient photocatalysts.

Who reads Post-modification of metal-organic framework for improved CO2 photoreduction efficiency?

Author

An-An Zhang; Rui Wang; Hai-Bo Huang; Tian-Fu Liu; Rong Cao

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Chemistry (Physical Sciences)