Nature Communications (Nov 2021)

Charging and ultralong phosphorescence of lanthanide facilitated organic complex

  • Waygen Thor,
  • Yue Wu,
  • Lei Wang,
  • Yonghong Zhang,
  • Peter A. Tanner,
  • Ka-Leung Wong

DOI
https://doi.org/10.1038/s41467-021-26927-z
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 9

Abstract

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Compounds featuring long-lived luminescence have potential applications in a variety of fields, including anti-counterfeiting and switches. Here the authors report a lanthanide-based compound that exhibits phosphorescence observable by the naked eye for up to 30 s at 77 K; On-off continuous irradiation cycles reveal a charging behaviour associated with triplet-triplet absorption, showing a shorter rise lifetime than the decay lifetime.