Photophysical and electrochemical properties of heteroleptic tris-cyclometallated Ir(III) complexes

Li Lan Wu, I. Wen Sun, Cheng Hsien Yang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Some new heteroleptic tris-cyclometallated iridium(III) complexes have been synthesized and fully characterized. Among these iridium(III) complexes, bis(1-phenylpyrazolato-N,C2′)iridium(III)[5-(2′-pyridyl)tetrazolate] (3) and bis(3-methyl-1-phenylpyrazolato-N,C2′)iridium(III)[5-(2′-pyridyl)tetrazolate] (4) show excellent quantum yields at room temperature, the electron density being perturbed by introducing the pyridyltetrazole ligand, making kr > knr. This destroys the concept of phenylpyrazole based iridium complexes.

Original languageEnglish
Pages (from-to)2679-2685
Number of pages7
JournalPolyhedron
Volume26
Issue number12
DOIs
Publication statusPublished - 2007 Jul 23

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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