Research uncovers excited-state properties of Cr(III) tris(diimines), suggesting novel chromophore applications.
Earth-abundant Cr(III) polypyridines chromophores feature long-lived doublet ligand-field excited states. The thermally equilibrated 2 T 1 / 2 E ligand-field excited state manifold produces broad, structured UV-vis-NIR absorption bands. Although ubiquitous across pseudo-octahedral Cr(III) diimine...
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Barth et al. (2026) studied this question.
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