doi: 10.17586/2226-1494-2022-22-5-896-902


Investigation of spectral-luminescent properties of cesium CsPb(BrCl)3 quantum dots in fluorophosphate glasses

A. A. Makurin, E. V. Kolobkova


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Makurin A.A., Kolobkova E.V. Investigation of spectral-luminescent properties of cesium CsPb(BrCl)3 quantum dots in fluorophosphate glasses. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2022, vol. 22, no. 5, pp. 896–902 (in Russian). doi: 10.17586/2226-1494-2022-22-5-896-902


Abstract
Within the framework of the scientific project “Investigation of spectral-luminescent properties of CsPb(BrCl)3 quantum dots in fluorophosphate glasses” CsPbX3 (X = Br, Cl) quantum dots were synthesized and investigated. The absorption spectra were studied using a Perkin Elmer lambda 650 double beam spectrophotometer. A Perkin Elmer LS50B spectrofluorimeter was used to obtain luminescence spectra. The temperature dependences were studied by means of an original setup, including a spectrofluorimeter, a multimode optical fiber, a cryostat and a temperature stand. The exciting light from the spectrofluorimeter lamp was focused on the input channel of the optical fiber. After leaving the channel, the radiation was collected by a lens in the focus of which was a sample fixed in a thermostat. The luminescence of the sample was collected in the opposite direction with the output to the receiver of the spectrofluorimeter, which is connected to the computer. The thermostat, in turn, was connected to a cryogenic set-top box with variable temperature, which allows adjusting the temperature in the range from 74 to 472 K. It is shown that an increase in the heat treatment time leads to an increase in quantum dots and, accordingly, to a decrease in the band gap due to the quantum confinement effect. When replacing bromine in CsPbBr3 with chlorine, mixed CsPb(BrCl)3 nanocrystals were obtained which leads to a shift of the absorption and luminescence bands to the short-wavelength region. Thus, by choosing different ligands for CsPbX3 (X = Br, Cl), changing their ratio and heat treatment conditions, it is possible to adjust the wavelength of luminescence in a wide area of the visible range. The study of the dependence of the band gap width on temperature clearly showed the presence of phase transformations of the crystal structure. The sequence of phase transitions for various chemical compositions was determined, namely, the contribution of chlorine to the change in dependence in the range from 180 to 400 K. It is assumed that the main causes of luminescence quenching above 300 K are phase transitions. As a result, it is proved that fluorophosphate glass is a chemically stable medium for protecting quantum dots from external influences. The possibility of creating stable phosphors, new laser media and luminescent coatings of both white light and in the entire visible range has been obtained

Keywords: quantum dots, mixed nanocrystals, fluorophosphate glass, anion-exchange, quantum-dimensional effect, forbidden gap temperature shift, phase changes in crystals

References
  1. Kolobkova E.V., Kuznetsova M.S., Nikonorov N.V. Perovskite CsPbX3 (X=Cl, Br, I) Nanocrystals in fluorophosphate glasses. Journal of Non-Crystalline Solids, 2021, vol. 563, pp. 120811 https://doi.org/10.1016/j.jnoncrysol.2021.120811
  2. Kovalenko M.V., Protesescu L., Bodnarchuk M.I. Properties and potential optoelectronic applications of lead halide perovskite nanocrystals. Science, 2017, vol. 358, no. 6364, pp. 745–750. https://doi.org/10.1126/science.aam7093
  3. Yuan X., Ji S., De Siena M.C., Fei L., Zhao Z., Wang Y., Li H., Zhao J., Gamelin D.R. Photoluminescence temperature dependence, dynamics, and quantum efficiencies in Mn2+-doped CsPbCl3 perovskite nanocrystals with varied dopant concentration. Chemistry of Materials, 2017, vol. 29, no. 18, pp. 8003–8011. https://doi.org/10.1021/acs.chemmater.7b03311
  4. Ai B., Liu C., Wang J., Xie J., Han J., Zhao X. Precipitation and optical properties of CsPbBr3 quantum dots in phosphate glasses. Journal of the American Ceramic Society, 2016, vol. 99, no. 9, pp. 2975–2877. https://doi.org/10.1111/jace.14400
  5. Di X., Hu Z., Jiang T., He M., Zhou L., Xiang W., Liang X. Use of long-term stable CsPbBr3 perovskite quantum dots in phospho-silicate glass for highly efficient white LEDs. Chemical Communications, 2017, vol. 53, no. 80, pp. 11068–11071. https://doi.org/10.1039/C7CC06486A
  6. Ye Y., Zhang W.C., Zhao Z.Y., Wang J., Liu C., Deng Z., Zhao X., Han J. Highly luminescent cesium lead halide perovskite nanocrystals stabilized in glasses for light-emitting applications. Advanced Optical Materials, 2019, vol. 7, no. 9, pp. 1801663. https://doi.org/10.1002/adom.201801663
  7. Shao G., Liu S., Ding L., Zhang Z., Xiang W., Liang X. KxCs1−xPbBr3 NCs glasses possessing super optical properties and stability for white light emitting diodes. Chemical Engineering Journal, 2019, vol. 375, pp. 122031. https://doi.org/10.1016/j.cej.2019.122031
  8. Fu Y., Zhu H., Stoumpos C.C., Ding Q., Wang J., Kanatzidis M.G., Zhu X., Jin S. Broad wavelength tunable robust lasing from single-crystal nanowires of cesium lead halide perovskites (CsPbX3, X = Cl, Br, I). ACS Nano, 2016, vol. 10, no. 8, pp. 7963–7972. https://doi.org/10.1021/acsnano.6b03916
  9. Wang D., Wu D., Dong D., Chen W., Hao J., Qin J., Xu B., Wang K., Suna X. Polarized emission from CsPbX3 perovskite quantum dots. Nanoscale, 2016, vol. 8, no. 22, pp. 11565–11570. https://doi.org/10.1039/C6NR01915C
  10. Liu P., Chen W., Wang W., Xu B., Wu D., Hao J., Cao W., Fang F., Li Y., Zeng Y., Pan R., Chen S., Cao W., Sun X.W., Wang K. Halide-rich synthesized cesium lead bromide perovskite nanocrystals for light-emitting diodes with improved performance. Chemistry of Materials, 2017, vol. 29, no. 12, pp. 5168–5173. https://doi.org/10.1021/acs.chemmater.7b00692
  11. Mei A., Li X., Liu L., Ku Z., Liu T., Rong Y., Xu M., Hu M., Chen J., Yang Y., Grätzel M., Han H. A hole-conductor–free, fully printable mesoscopic perovskite solar cell with high stability. Science, 2014, vol. 345, pp. 295–298. https://www.science.org/doi/10.1126/science.1254763
  12. Lv L., Xu Y., Fang H., Luo W., Xu F., Liu L., Wang B., Zhang X., Yang D., Hu W., Dong A. Generalized colloidal synthesis of high-quality, two-dimensional cesium lead halide perovskite nanosheets and their applications in photodetectors. Nanoscale, 2016, vol. 8, no. 28, pp. 13589–13596. https://doi.org/10.1039/C6NR03428D
  13. Zdobnova T.A., Lebedenko E.N., Deyev S.M. Qquantum dots for molecular diagnostics of tumors. Acta Naturae, 2011, vol. 3, no. 1, pp. 29–47. https://doi.org/10.32607/20758251-2011-3-1-29-47
  14. Ai B., Liu C., Deng Z., Wang J., Han J., Zhao X. Low temperature photoluminescence properties of CsPbBr3 quantum dots embedded in glasses. Physical Chemistry Chemical Physics, 2017, vol. 19, no. 26, pp. 17349–17355. https://doi.org/10.1039/C7CP02482G
  15. Saran R., Heuer-Jungemann A., Kanaras A.G., Curry R.J. Giant bandgap renormalization and exciton–phonon scattering in perovskite nanocrystals. Advanced Optical Materials, 2017, vol. 5, no. 17, pp. 1700231. https://doi.org/10.1002/adom.201700231
  16. Nedelcu G., Protesescu L., Yakunin S., Bodnarchuk M.I., Grotevent M.J., Kovalenko M.V. Fast anion-exchange in highly luminescent nanocrystals of cesium lead halide perovskites (CsPbX3, X = Cl, Br, I). Nano Letters, 2015, vol. 15, no. 8, pp. 5635–5640. https://doi.org/10.1021/acs.nanolett.5b02404
  17. Mannino G., Deretzis I., Smecca E., La Magna A., Alberti A., Ceratti D., Cahen D. Temperature-dependent optical band Gap in CsPbBr3, MAPbBr3, and FAPbBr3 single crystals. Journal of Physical Chemistry Letters, 2020, vol. 11, no. 7, pp. 2490–2496. https://doi.org/10.1021/acs.jpclett.0c00295
  18. Carabatos-Nédelec C., Oussaïd M., Nitsch K. Raman scattering investigation of cesium plumbochloride, CsPbCl3, phase transitions. Journal of Raman Spectroscopy, 2003, vol. 34, no. 5, pp. 388–393. https://doi.org/10.1002/jrs.1005


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