4.7 Article

Amplification of luminescence of stable radicals by coordination to NHC-gold(i) complex

Journal

CHEMICAL COMMUNICATIONS
Volume 58, Issue 15, Pages 2560-2563

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc06555f

Keywords

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [15J11287, JPMXP09S21NR0009, JPMXP09S21MS0001]
  2. JSPS fellowship for young scientists
  3. Nanotechnology Platform Program oMolecule and Material Synthesis4
  4. Grants-in-Aid for Scientific Research [15J11287] Funding Source: KAKEN

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The luminescence of stable radicals can be enhanced by coordination to metal complexes. The fluorescence quantum yield of F2PyBTM radical in dichloromethane was increased from 4% to 36% by coordination to Au-I metal complex with N-heterocyclic carbene ligand, setting a record for metal-radical complexes.
The luminescence of stable radicals can be enhanced by coordination to metal complexes. The 4% fluorescence quantum yield of (3,5-difluoro-4-pyridyl)bis(2,4,6-trichlorophenyl)methyl radical (F2PyBTM) in dichloromethane was enhanced up to 36% by coordination to Au-I with N-heterocyclic carbene ligand, which is a record for metal-radical complexes.

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