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A comparison of nπ* - ππ* interactions in aromatics with dπ* - ππ* interactions in iridium(III) complexes

✍ Scribed by R.J. Watts; G.A. Crosby

Publisher: Elsevier Science
Year: 1972
Tongue: English
Weight: 304 KB
Volume: 13
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(72)85031-0

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✦ Synopsis

Luminexonce lifetines of iridium(II1) complexes with proximate dn* and xx* stites are found to incrcasz with soknt polarity. This is analqous to the dependen= of the phosphorescence lifetimes of several aromatic -bony1 compounds with close-lying rm* and ZYT * states on the solvent medium. The results are interpreted in terms of a dn*-n;T* interaction, which is compared with the nn*-ITT* interaction in acetophenone.

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