Abstract
The present study investigates the effects, of V and/or N-doped CaZrO3 on the electronic and optical properties using spin-polarized density functional theory calculations. It was found that the obtained results of the pure CaZrO3 are in complete agreement with the experimental data. Moreover, the V and N impurities decrease and transform the sizeable electronic band gap from an indirect insulator (4.964 eV for the pure CaZrO3) to a direct semiconductor (1.369 eV for CaZr0.8750V0.1250O2.9584N0.0416). Hence, the absorption coefficient of CaZr0.8750V0.1250O2.9584N0.0416 structure is enhanced in the visible region which is quite remarkable for solar cells. In addition, the calculated enthalpies of formation confirm that all studied structures are thermodynamically stable.
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Conception and design of study: AEB, SD, and NT. Acquisition of data: AEB. Analysis and/or interpretation of data: AEB, SD, NT, OEB, and HE-Z. Drafting the manuscript: AEB, SD, and NT. Revising the manuscript critically for important intellectual content: AEB, SD, NT, OEB, and HE-Z. Approval of the version of the manuscript to be published (the names of all authors must be listed): AEB, SD, NT, OEB, and HE-Z.
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El Badraoui, A., Dahbi, S., Tahiri, N. et al. A DFT study of electronic structure and optical properties of the pure, doped and co-doped CaZrO3 perovskite for photovoltaic applications. J. Korean Ceram. Soc. 60, 712–718 (2023). https://doi.org/10.1007/s43207-023-00297-2
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DOI: https://doi.org/10.1007/s43207-023-00297-2