Electrogenerated chemiluminescence from polymer-bound ortho-metallated iridium(III) systems

Brian D. Muegge, Mark M. Richter

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


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)2Ir(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).

Original languageEnglish
Pages (from-to)76-80
Number of pages5
Issue number2
StatePublished - Mar 2005


  • Electrochemiluminescence
  • Electrogenerated chemiluminescence
  • Iridium complexes
  • Nafion
  • PVK


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