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This work investigates how metal-centered excited states in Fe(II) and Co(III) complexes can be leveraged for effective photoredox catalysis.

July 15, 2026Accounts of Chemical ResearchOpen Access

Metal-Centered Photoredox Catalysis using d 6 Transition Metal-based Chromophores

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Authors

MAMichael Alowakennu BBBekah E. Bowers BPBjörn Pfund

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Overview

Account evaluates the potential of metal-centered excited states in controlling reactivity for photoredox catalysis, suggesting new design principles.

Key Points

This work investigates how metal-centered excited states in Fe(II) and Co(III) complexes can be leveraged for effective photoredox catalysis.
Summarized recent findings on metal-centered excited states in various transition metal complexes.
Discussed the impact of spin-state character on photochemical reactivity and pathways.
Outlined design principles for enhancing reactivity through ligand field manipulation.
Demonstrated that 3 T 1 excited states enable efficient electron transfer to yield Fe(III) and Co(II) products.
Showed that 5 T 2 excited states are largely unreactive due to high reorganization energy.
Established that controlling ligand field strength can tune the reactivity and selectivity of metal-centered systems.

Cite This Study

Alowakennu et al. (2026) studied this question.

synapsesocial.com/papers/6a5722be88b21df87547fb30 https://doi.org/10.1021/acs.accounts.6c00326

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July 15, 2026Accounts of Chemical ResearchOpen Access

Metal-Centered Photoredox Catalysis using d 6 Transition Metal-based Chromophores

View Full Paper

Ask AI

Bookmark

Authors

MAMichael Alowakennu BBBekah E. Bowers BPBjörn Pfund

Discussion

Member takes

Overview

Account evaluates the potential of metal-centered excited states in controlling reactivity for photoredox catalysis, suggesting new design principles.

Key Points

This work investigates how metal-centered excited states in Fe(II) and Co(III) complexes can be leveraged for effective photoredox catalysis.
Summarized recent findings on metal-centered excited states in various transition metal complexes.
Discussed the impact of spin-state character on photochemical reactivity and pathways.
Outlined design principles for enhancing reactivity through ligand field manipulation.
Demonstrated that 3 T 1 excited states enable efficient electron transfer to yield Fe(III) and Co(II) products.
Showed that 5 T 2 excited states are largely unreactive due to high reorganization energy.
Established that controlling ligand field strength can tune the reactivity and selectivity of metal-centered systems.

Cite This Study

Alowakennu et al. (2026) studied this question.

synapsesocial.com/papers/6a5722be88b21df87547fb30 https://doi.org/10.1021/acs.accounts.6c00326

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