Coordination Tuning of Metal Porphyrins for Improved Oxygen Evolution Reaction,Angewandte Chemie International Edition

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Coordination Tuning of Metal Porphyrins for Improved Oxygen Evolution Reaction
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-08-07 , DOI: 10.1002/anie.202305938
Haoyuan Lv ₁ , Xue-Peng Zhang ₁ , Kai Guo ₁ , Jinxiu Han ₁ , Hongbo Guo ₁ , Haitao Lei ₁ , Xialiang Li ₁ , Wei Zhang ₁ , Ulf-Peter Apfel _{2,

3} , Rui Cao ₁

Affiliation

Metal porphyrins with a coordinatively unsaturated metal ion are designed for improved O₂ evolution catalysis. By sterically protecting one porphyrin side with a cyclen, five-coordinate metal-oxo with an unoccupied trans axial site is proposed to be produced in O₂ evolution. Theoretical studies showed that this five-coordinate structure enables more positively charged metal-oxo units, which is favoured for nucleophilic attack to form O−O bonds.

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