Neutral Mononuclear Copper(I) Complexes: Synthesis, Crystal Structures, and Photophysical Properties

  1. Sun, Yinghui 34567
  2. Lemaur, Vincent 12
  3. Beltrán, Juan I. 12
  4. Cornil, Jérôme 12
  5. Huang, Jianwen 345
  6. Zhu, Juntong 345
  7. Wang, Yun 345
  8. Fröhlich, Roland 8910
  9. Wang, Haibo 345
  10. Jiang, Lin 67
  11. Zou, Guifu 345
  1. 1 Service
  2. 2 de Chimie des Matériaux Nouveaux, Université de Mons, Place du Parc 20, 7000 Mons, Belgium
  3. 3 College of Physics,
  4. 4 Optoelectronics and Energy, Institute of Chemical Power Sources, and
  5. 5 Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, China
  6. 6 Institut de Génomique Fonctionnelle
    info

    Institut de Génomique Fonctionnelle

    Montpellier, Francia

    ROR https://ror.org/043wmc583

  7. 7 Nano and Soft Materials, Soochow University, Suzhou, Jiangsu 215123, China
  8. 8 Organisch-Chemisches
  9. 9 Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse
  10. 10 40, 48149 Münster, Germany
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Revista:
Inorganic Chemistry

ISSN: 0020-1669,  1520-510X

Año de publicación: 2016

Volumen: 55

Número: 12

Páginas: 5845-5852

Tipo: Artículo

DOI: 10.1021/ACS.INORGCHEM.6B00101 GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Inorganic Chemistry

Resumen

Neutral green-emitting four-coordinate Cu(I) complexes with general formula POPCu(NN), where POP = bis[2-(diphenylphosphino)phenyl]ether and NN = substituted 2-pyridine-1,2,4-triazole ligands, were synthesized. The crystal structures of (POPCuMeCN)+(PF6)− (1), POPCuPhPtp (2a, PhPtp = 2-(5-phenyl-2H-[1,2,4]triazol-3-yl)-pyridine), and POPCu(3,5-2FPhPtp) (2d, 3,5-2FPhPtp = 2-(5-(3,5-difluorophenyl)-2H-1,2,4-triazol-3-yl)pyridine) were determined by single-crystal X-ray diffraction analysis. The electronic and photophysical properties of the complexes were examined by UV–vis, steady-state, and time-resolved spectroscopy. At room temperature, weak emission was observed in solution, while in the solid state, all complexes exhibit intense green emission with quantum yield up to 0.54. The electronic and photophysical properties were further supported by calculation performed at the (time-dependent) density functional theory level. One of the complexes was also tested as dopant in electroluminescent devices.

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