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<p>The effect of the average nanocrystal size on the contribution of doping ion phosphorescence and band-to-band delayed fluorescence to the total photoluminescence of colloidal quantum dots of indium phosphide doped with manganese and coated with a thin zinc sulfide shell was studied by measuring excitation—emission matrices and time-resolved luminescence spectra. It was shown that it is possible to create a luminophore with a controlled luminescence lifetime on the basis of this system; however, at present, this is hampered by high polydispersity of the synthesized samples.</p>

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Size-dependent delayed fluorescence of InP:Mn/ZnS nanocrystals

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • D. N. Pevtsov,
  • A. A. Galushko,
  • L. M. Nikolenko,
  • V. Yu. Gak,
  • S. A. Tovstun,
  • V. F. Razumov

摘要

The effect of the average nanocrystal size on the contribution of doping ion phosphorescence and band-to-band delayed fluorescence to the total photoluminescence of colloidal quantum dots of indium phosphide doped with manganese and coated with a thin zinc sulfide shell was studied by measuring excitation—emission matrices and time-resolved luminescence spectra. It was shown that it is possible to create a luminophore with a controlled luminescence lifetime on the basis of this system; however, at present, this is hampered by high polydispersity of the synthesized samples.