A luminescent double helical gold(i)-thiophenolate coordination polymer obtained by hydrothermal synthesis or by thermal solid-state amorphous-to-crystalline isomerization

  1. Lavenn, C. 2
  2. Okhrimenko, L. 2
  3. Guillou, N. 3
  4. Monge, M. 1
  5. Ledoux, G. 4
  6. Dujardin, C. 4
  7. Chiriac, R. 5
  8. Fateeva, A. 5
  9. Demessence, A. 2
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Institute of Researches on Catalysis and Environment in Lyon
    info

    Institute of Researches on Catalysis and Environment in Lyon

    Villeurbanne, Francia

    ROR https://ror.org/04fy20a51

  3. 3 Institut Lavoisier de Versailles (ILV), UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines, Versailles, France
  4. 4 Institut Lumière Matière
    info

    Institut Lumière Matière

    Villeurbanne, Francia

    ROR https://ror.org/0323bey33

  5. 5 Laboratoire des Multimatériaux et Interfaces
    info

    Laboratoire des Multimatériaux et Interfaces

    Villeurbanne, Francia

    ROR https://ror.org/03cfem402

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Revista:
Journal of Materials Chemistry C . Materials for optical, magnetic and electronic devices

ISSN: 2050-7526

Año de publicación: 2015

Volumen: 3

Número: 16

Páginas: 4115-4125

Tipo: Artículo

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DOI: 10.1039/C5TC00119F SCOPUS: 2-s2.0-84927722319 WoS: WOS:000352870400036 GOOGLE SCHOLAR

Otras publicaciones en: Journal of Materials Chemistry C . Materials for optical, magnetic and electronic devices

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Resumen

A gold(i)-thiophenolate coordination polymer, [Au(SPh)]<inf>n</inf>, has been synthesized by employing hydrothermal conditions at 120 °C. This new synthesis led to isolate highly crystalline compound and to solve its structure from powder X-ray diffraction patterns. The compound forms double interpenetrated helical chains stabilized through C-H⋯π and aurophilic bonds. The solid is phosphorescent at room temperature and in the solid-state with a quantum yield of around 5%. Thanks to DFT calculations, the emission is attributed to a Ligand-to-Metal-Metal Charge Transfer (LMMCT) transition with a small contribution from a Metal Centered (MC) transition. In addition to this hydrothermal reaction, it is possible to obtain this [Au(SPh)]<inf>n</inf> coordination polymer by a two-step synthesis which is a thermally-induced solid-state amorphous-to crystalline isomerization. This transition has been followed by powder X-ray diffraction, scanning electron microscopy, differential scanning calorimetry and also from the appearance of phosphorescence upon heating. This journal is © The Royal Society of Chemistry 2015.