Theoretical investigation on the electronic structures and phosphorescent properties of a series of Ir(III) complexes with the diphenyl(1-naphthyl)phosphine ancillary ligand

Xiaohong Shang, Deming Han, Shuang Guan, Xiaofeng Wang, Gang Zhang

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Abstract

The electronic structures, photophysical properties, and potential organic light-emitting diodes (OLEDs) applications of a series of Ir(III) complexes 1-6 have been theoretically investigated by using the density functional theory (DFT) method. The photophysical properties of these complexes are greatly affected by the different substituents on the cyclometalated ligands. The phosphorescence wavelength, quantum yields, and luminescent efficiency of these complexes also are closely related to the π-conjugation length, substitution positions, and substituents inductive effect for the cyclometalated ligands. The designed complex 5 could be a potential candidate as a blue-emitting material with a high quantum efficiency.

Original languageEnglish (US)
Pages (from-to)110-116
Number of pages7
JournalChemical Physics Letters
Volume614
DOIs
Publication statusPublished - Oct 20 2014

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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