Golden metallopolymers with an active T1 state via coordination of poly(4-vinyl)pyridine to pentahalophenyl-gold(I) precursors

  1. Rawashdeh-Omary, M.A. 3
  2. López-de-Luzuriaga, J. 1
  3. Rashdan, M.D. 3
  4. Elbjeirami, O. 3
  5. Monge, M. 1
  6. Rodríguez-Castillo, M. 1
  7. Laguna, A. 2
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Instituto de Nanociencia y Materiales de Aragón
    info

    Instituto de Nanociencia y Materiales de Aragón

    Zaragoza, España

    ROR https://ror.org/031n2c920

  3. 3 Texas Woman's University
    info

    Texas Woman's University

    Denton, Estados Unidos

    ROR https://ror.org/04dyzkj40

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Revista:
Journal of the American Chemical Society

ISSN: 0002-7863

Año de publicación: 2009

Volumen: 131

Número: 11

Páginas: 3824-3825

Tipo: Artículo

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DOI: 10.1021/JA809585N SCOPUS: 2-s2.0-67849095871 WoS: WOS:000264792700017 GOOGLE SCHOLAR

Otras publicaciones en: Journal of the American Chemical Society

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Resumen

Brightly phosphorescent gold-based metallopolymers have been synthesized by reaction of nonluminescent reactants comprised of the commercially available polymer PVP = poly(4- vinylpyridine) and the Au(I) precursors [Au(C 6X 5)THT] (X = F or Cl; THT = tetrahydrothiophene). The metallopolymer products exhibit remarkable photoluminescence properties including high solid-state quantum yield (up to 0.63 at RT) and coarse- and fine-tuning to multiple phosphorescence bands across the visible spectrum via luminescence thermochromism and site-selective excitation. The emissions are caused by intrachain and interchain aurophilic interactions between the linear Au(I) complexes in the metallopolymers. This investigation provides further manifestations of interesting chemistry and photophysics in N-heterocyclic coordination compounds of Au(I) by expansion from the small-molecule to the metallopolymer regime. The spectroscopic and material properties of the new class of metallopolymers are desirable for future studies that will utilize them as emitters for photonic applications such as polymer light-emitting diodes and sensors. © 2009 American Chemical Society.