Authors
Jia-Yu Huang, Lei Shi, Feng Li, Ting-Long Wu, Li-Ping Si, Jun-Ying Chen, Hai-Yang Liu
Published in
ChemPlusChem. Volume 91. Issue 7. Pages e70198.
Abstract
Three new metal-free phosphorus corrole complexes 1-3 bearing a nitro group at the ortho-, meta- or para-position of the 10-meso phenyl group were synthesized and used as electrocatalysts for hydrogen evolution reaction (HER). The position of the nitro group may significantly influence their catalytic HER performance in both organic and aqueous media. The catalytic activity follows the order of 2 > 3 > 1 in both media. When using trifluoroacetic acid (TFA) or p-toluenesulfonic acid (TsOH) as proton sources, the electrocatalytic HER proceeds via an EECC pathway (E: electron transfer; C: chemical reaction). The best catalyst 2 showed maximum turnover frequency values of 24.87 s-1 in DMF containing TFA and 156.25 h-1 in aqueous solution. DFT calculation results well rationalize the experimental observations.
PMID:
42402222
Bibliographic data and abstract were imported from PubMed on 06 Jul 2026.
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