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Issue 19, 1999
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Iridium(III) bis-terpyridine complexes displaying long-lived pH sensitive luminescence

Abstract

A bis-terpyridine complex of iridium(III) incorporating a pendent pyridyl group displays long-lived emission at pH 7 in air-equilibrated aqueous solution, but both the lifetime and intensity are reduced by a factor of >8 upon protonation of the pyridyl nitrogen; structurally similar complexes with pendent phenolic groups are only weakly emissive and their ground-state absorption spectra show a new, low-energy band (λ = 468 nm) upon deprotonation.

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Article information


Chem. Commun., 1999, 1943-1944
Article type
Paper

Iridium(III) bis-terpyridine complexes displaying long-lived pH sensitive luminescence

M. Licini and J. A. Gareth Williams, Chem. Commun., 1999, 1943
DOI: 10.1039/A906203C

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