Optical sensing properties of [Ru(CN)4dppz]2- (dppz = dipyrido[3,2-a:2',3'-c]phenazine)

Caroline E. Keller, Charles Pollard, Lee K. Yeung, Wendy Drane Plessinger, Catherine J. Murphy

Research output: Contribution to journalArticle

Abstract

[Ru(CN)4dppz]2- (dppz = dipyrido[3,2-a:2',3'-c]phenazine) can be synthesized photochemically from [Ru(CN)6]4- and dppz, albeit in low yield with competing side reactions. The complex's absorption maximum in various solvents track the solvent Lewis acidity as judged by Gutmann's acceptor number. At room temperature, [Ru(CN)4dppz]2- emits weak green light in ethanol that resembles that of the free dppz ligand; at 77 K, [Ru(CN)4dppz]2- emits brightly in the red. Prospects for using [Ru(CN)4dppz]2- in sensor applications are discussed. (C) 2000 Elsevier Science S.A.

Original languageEnglish (US)
Pages (from-to)209-215
Number of pages7
JournalInorganica Chimica Acta
Volume298
Issue number2
DOIs
StatePublished - Feb 15 2000

Keywords

  • Cyano complexes
  • Phenazine complexes
  • Photoluminescence
  • Ruthenium complexes

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

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