Near-IR Phosphorescence of Iridium(III) Corroles at Ambient Temperature

The photophysical properties of Ir(III) corroles differ from those of phosphorescent porphyrin complexes, cyclometalated and polyimine Ir(III) compounds, and other luminescent metallocorroles. Ir(III) corrole phosphorescence is observed at ambient temperature at wavelengths much longer (>800 nm)...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2010-07, Vol.132 (27), p.9230-9231
Main Authors: Palmer, Joshua H, Durrell, Alec C, Gross, Zeev, Winkler, Jay R, Gray, Harry B
Format: Article
Language:English
Subjects:
Iridium - chemistry
Luminescence
Luminescent Measurements
Porphyrins - chemistry
Solvents
Spectroscopy, Near-Infrared
Temperature
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Summary:The photophysical properties of Ir(III) corroles differ from those of phosphorescent porphyrin complexes, cyclometalated and polyimine Ir(III) compounds, and other luminescent metallocorroles. Ir(III) corrole phosphorescence is observed at ambient temperature at wavelengths much longer (>800 nm) than those of most Ir(III) phosphors. The solvatochromic behavior of Ir(III)-corrole Soret and Q absorption bands suggests that the lowest singlet excited states (S2 and S1) are substantially more polar than the ground state.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja101647t