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

  1. Pintado-Alba, A. 4
  2. De La Riva, H. 4
  3. Nieuwhuyzen, M. 4
  4. Bautista, D. 5
  5. Raithby, P.R. 3
  6. Sparkes, H.A. 3
  7. Teat, S.J. 1
  8. López-De-Luzuriaga, J.M. 2
  9. Lagunas, M.C. 4
  1. 1 Daresbury Laboratory
    info

    Daresbury Laboratory

    Warrington, Reino Unido

    ROR https://ror.org/0089bg420

  2. 2 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  3. 3 University of Bath
    info

    University of Bath

    Bath, Reino Unido

    ROR https://ror.org/002h8g185

  4. 4 Queen's University Belfast
    info

    Queen's University Belfast

    Belfast, Reino Unido

    ROR https://ror.org/00hswnk62

  5. 5 Universidad de Murcia
    info

    Universidad de Murcia

    Murcia, España

    ROR https://ror.org/03p3aeb86

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Revista:
Dalton Transactions

ISSN: 1477-9226

Año de publicación: 2004

Volumen: 21

Páginas: 3459-3467

Tipo: Artículo

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DOI: 10.1039/B410619A SCOPUS: 2-s2.0-9744258054 WoS: WOS:000224735600011 GOOGLE SCHOLAR

Otras publicaciones en: Dalton Transactions

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Resumen

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 2Cl2(μ-xantphos)], exhibiting luminescence thermochromism.