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August 21, 2025Angewandte Chemie International Edition

Quest for Luminescent Low‐Spin Chromium(I) Complexes with Doublet Metal‐to‐Ligand Charge‐Transfer Excited States

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Authors

MYMengwei YueWTWai‐Pong ToYZYifan Zhao

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Overview

Two chromium complexes show luminescent metal-to-ligand charge-transfer states, enriching the field of transition metal complexes.

Key Points

  • The chromium(I) complexes exhibit emission peaks at 568 and 525 nm, indicating distinct luminescent properties.
  • Excited state lifetimes were confirmed to be in the tens of picoseconds, linked to fast nonradiative decay processes.
  • Spectroscopic and theoretical analyses reveal the emission is due to spin-allowed metal-to-ligand charge-transfer states.
  • This work diversifies the understanding of emissive excited states in earth-abundant 3d transition metals.

Cite This Study

Yue et al. (2025) studied this question.

synapsesocial.com/papers/68af55c6ad7bf08b1eadbe4chttps://doi.org/10.1002/anie.202509601
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