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Electrogenerated chemiluminescence from polymer‐bound ortho ‐metallated iridium(III) systems
Author(s) -
Muegge Brian D.,
Richter Mark M.
Publication year - 2005
Publication title -
luminescence
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 45
eISSN - 1522-7243
pISSN - 1522-7235
DOI - 10.1002/bio.807
Subject(s) - iridium , chemiluminescence , chemistry , photochemistry , nafion , electrochemiluminescence , polymer chemistry , catalysis , electrochemistry , organic chemistry , electrode
Three ortho ‐metallated iridium complexes whose emission maxima fall in different regions of the electromagnetic spectrum were bound in either Nafion or poly(9‐vinylcarbazole) and their electrogenerated chemiluminescence (ECL) reported. The reaction of F(Ir)pic [bis(3,5‐difluoro‐2‐(2‐pyridyl)phenyl‐(2‐carboxypyridyl)‐iridium III] with the oxidative–reductive co‐reactant tri‐ n ‐propylamine (TPrA) resulted in ECL when the iridium complex was bound in Nafion. No significant ECL was observed for (btp) 2 Ir(acac) (bis[2,(2′‐benzothienyl)‐pyridinato‐N,C3′](acetylacetonate)Ir(III)), and Ir(ppy) 3 (where ppy = 2‐phenylpyridine) under these conditions. However, all three compounds displayed ECL with TPrA when bound in poly(9‐vinylcarbazole). Copyright © 2005 John Wiley & Sons, Ltd.

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