4.7 Article

Deciphering the photophysical kinetics, electronic configurations and structural conformations of iridium-cobalt hydrogen evolution photocatalysts

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CHEMICAL COMMUNICATIONS
卷 58, 期 58, 页码 8057-8060

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ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc02286a

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Picosecond optical and X-ray absorption spectroscopies coupled with time-dependent density functional theory have revealed the reaction pathways, electronic and structural conformations of Ir-Co hydrogen evolution photocatalysts. The dyad with 2-phenylpyridine ancillary ligands produces more photo-reduced Co(ii) compared to its 2-phenylisoquinoline analogue. These findings are significant for the design of earth-abundant photosensitizers for photocatalytic applications.
Picosecond optical and X-ray absorption spectroscopies with time-dependent density functional theory revealed the reaction pathways, electronic and structural conformations of Ir-Co hydrogen evolution photocatalysts. The dyad bearing 2-phenylpyridine ancillary ligands produced more photoreduced Co(ii) than its 2-phenylisoquinoline analogue. These findings are important for designs of earth-abundant photosensitizers for photocatalytic applications.

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