Synthesis, characterization and luminescent properties of three-coordinate copper(I) halide complexes containing 2-(diphenylphosphino)biphenyl

Lei Qi, Qian Li, Xiao Hong, Li Liu*, Xin Xin Zhong, Qiao Chen, Fa Bao Li, Qian Liu, Hai Mei Qin, Wai Yeung Wong

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

9 Citations (Scopus)

Abstract

Highly emissive three-coordinate copper halide complexes with a bidentate phosphine ligand have attracted attention. Here, a series of three-coordinate mono- and dinuclear copper halide complexes, [CuI(dpbp)2] (1) and [CuX(dpbp)]2 (dpbp = 2-(diphenylphosphino)biphenyl, X = Br (2), Cl (3)), were synthesized, and their molecular structures and photophysical properties were investigated. In the solid state, these complexes exhibit green photoluminescence with microsecond lifetimes (λmax = 515–538 nm; τ = 11.8–19.1 μs) at 298 K. The emission of the complexes originates from the (σ + X) → π* transition. All three complexes displayed good thermal stability.

Original languageEnglish
Pages (from-to)3692-3702
Number of pages11
JournalJournal of Coordination Chemistry
Volume69
Issue number24
DOIs
Publication statusPublished - 16 Dec 2016

Scopus Subject Areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry

User-Defined Keywords

  • characterization
  • Copper complex
  • luminescent property
  • synthesis

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