Photoluminescence Properties of Layered Pb1-xCdxI2 Solid Solutions

Authors

  • Yu.P. Gnatenko Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • M.S. Fur’yer Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • P.M. Bukivskij Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • P.A. Skubenko Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • Yu.P. Piryatinski Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • R.V. Gamernyk Ivan Franko National University of L'viv

DOI:

https://doi.org/10.15407/ujpe56.10.1015

Keywords:

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Abstract

We have studied the photoluminescence spectra, including the time-resolved ones, and the photodiffusion spectra of PbI2 crystals and Pb1-xCdxI2 solid solutions. It is established that these crystals have monopolar (hole) photoconductivity. The possibility of the formation of PbI2 clusters with various sizes in solid solutions is shown. It is found that the value of splitting between Γ3- and Γ1-exciton states in such clusters is 30 and 36 meV for x = 0.50 and x = 0.70, respectively. We have revealed that, for x = 0.50, the self-trapping excitons in PbI2 clusters happens.

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Published

2022-02-06

How to Cite

Gnatenko Ю., Fur’yer М., Bukivskij П., Skubenko П., Piryatinski Ю., & Gamernyk Р. (2022). Photoluminescence Properties of Layered Pb1-xCdxI2 Solid Solutions. Ukrainian Journal of Physics, 56(10), 1015. https://doi.org/10.15407/ujpe56.10.1015

Issue

Section

Solid matter