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September 10, 2025Journal of the American Chemical Society

Rethinking the Excited-State Redox Properties of Iron(III) Complexes for LMCT Photoredox Catalysis

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Authors

JWJoël WellauerMPMichael L. PattuwageEDEgan H. Doeven

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Overview

Experiments reveal that excited-state iron(III) complexes exhibit redox potentials up to 0.7 V lower, highlighting implications for LMCT photoredox catalysis.

Key Points

  • The true oxidation potentials of excited iron(III) complexes are considerably underestimated.
  • Excited-state iron(III) complexes can have redox potentials that are 0.7 V lower than expected.
  • Stern-Volmer quenching and thermodynamic analyses provide critical insights into electron transfer dynamics.
  • These findings may influence the application of LMCT-excited-state complexes in synthetic chemistry.

Cite This Study

Wellauer et al. (2025) studied this question.

synapsesocial.com/papers/68c1ad4f54b1d3bfb60e4daehttps://doi.org/10.1021/jacs.5c08841
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