A panchromatic, near infrared Ir(III) emitter bearing a tripodal C^N^C ligand as a dye for dye-sensitized solar cells

Claus Hierlinger, Heather V. Flint, David B. Cordes, Alexandra M. Z. Slawin, Elizabeth A. Gibson, Denis Jacquemin, Véronique Guerchais, Eli Zysman-Colman

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13 Citations (Scopus)
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Abstract

The synthesis of a new complex of the form [Ir(C^N^C)(N^N)Cl] [where C^N^C = 2-(bis(4-(tert-butyl)phenyl)methyl)pyridinato (dtBubnpy, L1) and N^N is diethyl [2,2'-bipyridine]-4,4'-dicarboxylate (deeb)] is reported. The crystal structure reveals an unusual tripodal tridentate C^N^C ligand forming three six-membered rings around the iridium center. The photophysical and electrochemical properties suggest the use of this complex as a dye in dye-sensitized solar cells. Time-Dependent Density Functional Theory (TD-DFT) calculations have been used to reveal the nature of the excited-states.
Original languageEnglish
Pages (from-to)109-115
JournalPolyhedron
Volume140
Early online date9 Dec 2017
DOIs
Publication statusPublished - 8 Feb 2018

Keywords

  • Iridium
  • Panchromatic
  • NIR emission
  • DSSC
  • Solar cell

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