Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 22, Pages 3701-3704Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc00680d
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- Deutsche Forschungsgemeinschaft [SPP 2102, GE 961/10-01, HE 2778/10-2, INST 247/1018-1]
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Cr(ppy)(3), a structural analog of the green phosphorescent Ir(ppy)(3), emits light even at room temperature in solution from a weakly distorted spin-flip state. The emission intensity is significantly influenced by temperature.
Cr(ppy)(3), a structural analog of the green phosphorescent Ir(ppy)(3), emits even in solution at room temperature from a weakly distorted spin-flip state at 910 nm (Hppy = 2-phenylpyridine). The low energy arises from an enhanced covalence of the Cr-C bonds as compared to Cr-N bonds. Lower temperature reduces thermally activated decay increasing the emission intensity.
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