Effects of diphosphine structure on aurophilicity and luminescence in Au(I) complexes

Mark Nieuwenhuyzen, H. De La Riva, A. Pintado-Alba, D. Bautista, P.R. Raithby, H.A. Sparkes, S.J. Teat, J.M. Lopez-de-Luzuriaga, Cristina Lagunas-Castedo

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93 Citations (Scopus)

Abstract

The effects of diphosphine flexibility and bite angle on the structures and luminescence properties of Au(I) complexes have been investigated. A range of diphosphines based on heteroaromatic backbones [bis(2-diphenylphosphino)phenylether (dpephos), 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene (xantphos), and 4,6-bis(diphenylphosphino)dibenzofuran (dbfphos)] has been used to prepare mono- and digold derivatives. A clear relationship between the presence of aurophilic contacts and the emission properties of dinuclear complexes has been observed, with one of the complexes studied, [Au(2)Cl(2)(micro-xantphos)], exhibiting luminescence thermochromism.
Original languageEnglish
Pages (from-to)3459-3467
Number of pages9
JournalDalton Transactions
Volume2004 (21)
Issue number21
DOIs
Publication statusPublished - 07 Nov 2004

ASJC Scopus subject areas

  • Chemistry(all)

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