Synthesis and photophysical properties of isocyano ruthenium(II) quinoline-8-thiolate complexes with visible-light and near-infrared emission

Chi Fai LEUNG, Chi-Chiu KO

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Abstract

The reactions of [Ruᴵᴵ(SQ)₂(PPh₃)₂] (SQ = quinoline-8-thiolate) with different isocyanide ligands affords a series of emissive bis(quinoline-8-thiolate) ruthenium(II) complexes [Ruᴵᴵ(SQ)₂(PPh₃)(CNR)] (1 – 6). Two isomeric forms, i.e. cis,trans (1a – 6a) and cis,cis (1b – 6b) have been separated in these reactions. With the variation on the π-accepting ability of the isocyanide ligands, the CN stretches, lowest energy absorptions and the photoluminescence can be systematically modified. Copyright © 2015 Published by Elsevier B.V.
Original languageEnglish
Pages (from-to)101-107
JournalJournal of Organometallic Chemistry
Volume804
Early online dateDec 2015
DOIs
Publication statusPublished - 2016

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Ruthenium
quinoline
Cyanides
ruthenium
Ligands
Infrared radiation
Light
ligands
energy absorption
Energy absorption
synthesis
Photoluminescence
photoluminescence

Citation

Leung, C.-F., & Ko, C.-C. (2016). Synthesis and photophysical properties of isocyano ruthenium(II) quinoline-8-thiolate complexes with visible-light and near-infrared emission. Journal of Organometallic Chemistry, 804, 101-107.

Keywords

  • Photophysics
  • Cyclic voltammetry
  • Ruthenium
  • Isocyanide ligands