Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites
Calcabrini M, Genc A, Liu Y, Kleinhanns T, Lee S, Dirin DN, Akkerman QA, Kovalenko MV, Arbiol J, Ibáñez M. 2021. Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites. ACS Energy Letters. 6(2), 581–587.
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Author
Calcabrini, MarianoISTA;
Genc, Aziz;
Liu, YuISTA 
;
Kleinhanns, TobiasISTA;
Lee, SeunghoISTA ;
Dirin, Dmitry N.;
Akkerman, Quinten A.;
Kovalenko, Maksym V.;
Arbiol, Jordi;
Ibáñez , MariaISTA
;
Kleinhanns, TobiasISTA;
Lee, SeunghoISTA ;
Dirin, Dmitry N.;
Akkerman, Quinten A.;
Kovalenko, Maksym V.;
Arbiol, Jordi;
Ibáñez , MariaISTA Department
Abstract
Cesium lead halides have intrinsically unstable crystal lattices and easily transform within perovskite and nonperovskite structures. In this work, we explore the conversion of the perovskite CsPbBr3 into Cs4PbBr6 in the presence of PbS at 450 °C to produce doped nanocrystal-based composites with embedded Cs4PbBr6 nanoprecipitates. We show that PbBr2 is extracted from CsPbBr3 and diffuses into the PbS lattice with a consequent increase in the concentration of free charge carriers. This new doping strategy enables the adjustment of the density of charge carriers between 1019 and 1020 cm–3, and it may serve as a general strategy for doping other nanocrystal-based semiconductors.
Publishing Year
Date Published
2021-01-20
Journal Title
ACS Energy Letters
Publisher
American Chemical Society
Acknowledgement
M.C. has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 665385. ICN2
acknowledges funding from Generalitat de Catalunya 2017 SGR 327. ICN2 is supported by the Severo Ochoa program from Spanish MINECO (Grant No. SEV-2017-0706) and is funded by the CERCA Programme/Generalitat de Catalunya. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 823717 − ESTEEM3. M.V.K. acknowledges the support by the European Research Council under the Horizon 2020 Framework Program (ERC Consolidator Grant SCALEHALO
Grant Agreement No. 819740) and by FET-OPEN project no. 862656 (DROP-IT).
Volume
6
Issue
2
Page
581-587
eISSN
IST-REx-ID
Cite this
Calcabrini M, Genc A, Liu Y, et al. Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites. ACS Energy Letters. 2021;6(2):581-587. doi:10.1021/acsenergylett.0c02448
Calcabrini, M., Genc, A., Liu, Y., Kleinhanns, T., Lee, S., Dirin, D. N., … Ibáñez, M. (2021). Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites. ACS Energy Letters. American Chemical Society. https://doi.org/10.1021/acsenergylett.0c02448
Calcabrini, Mariano, Aziz Genc, Yu Liu, Tobias Kleinhanns, Seungho Lee, Dmitry N. Dirin, Quinten A. Akkerman, Maksym V. Kovalenko, Jordi Arbiol, and Maria Ibáñez. “Exploiting the Lability of Metal Halide Perovskites for Doping Semiconductor Nanocomposites.” ACS Energy Letters. American Chemical Society, 2021. https://doi.org/10.1021/acsenergylett.0c02448.
M. Calcabrini et al., “Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites,” ACS Energy Letters, vol. 6, no. 2. American Chemical Society, pp. 581–587, 2021.
Calcabrini M, Genc A, Liu Y, Kleinhanns T, Lee S, Dirin DN, Akkerman QA, Kovalenko MV, Arbiol J, Ibáñez M. 2021. Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites. ACS Energy Letters. 6(2), 581–587.
Calcabrini, Mariano, et al. “Exploiting the Lability of Metal Halide Perovskites for Doping Semiconductor Nanocomposites.” ACS Energy Letters, vol. 6, no. 2, American Chemical Society, 2021, pp. 581–87, doi:10.1021/acsenergylett.0c02448.
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