Performance enhancement of CsPbI2Br perovskite solar cells via stoichiometric control and interface engineering

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2020
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Fatima, Kalsoom
Fakhruddin, Azhar
Akhter, Zareen
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https://doi.org/10.1016/j.solener.2020.10.007
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Solar Energy. Elsevier. 2020, 211, pp. 654-660. ISSN 0038-092X. eISSN 1471-1257. Available under: doi: 10.1016/j.solener.2020.10.007
Zusammenfassung

Caesium based inorganic halide perovskite are promising alternatives to address the degradation issue of the organic–inorganic hybrid halide perovskites. However, high iodine content in these inorganic perovskites leads to structural instability upon exposure to moisture. In this work, the stoichiometry of CsPbI2Br perovskite is slightly tuned and its effect on structural stability and device performance is studied. Afterward, the charge transport layers are optimized to improve the charge extraction in perovskite solar cells. Finally, the device performance is further improved via interfacial modification. The optimized device yielded a power conversion efficiency (PCE) of 9.7%.

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530 Physik
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Non-stoichiometric, Perovskite solar cell, Stability, Charge transport layer, Interfacial modification
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ISO 690FATIMA, Kalsoom, Muhammad Irfan HAIDER, Azhar FAKHRUDDIN, Zareen AKHTER, Muhammad SULTAN, Lukas SCHMIDT-MENDE, 2020. Performance enhancement of CsPbI2Br perovskite solar cells via stoichiometric control and interface engineering. In: Solar Energy. Elsevier. 2020, 211, pp. 654-660. ISSN 0038-092X. eISSN 1471-1257. Available under: doi: 10.1016/j.solener.2020.10.007
BibTex
@article{Fatima2020-11Perfo-51475,
  year={2020},
  doi={10.1016/j.solener.2020.10.007},
  title={Performance enhancement of CsPbI<sub>2</sub>Br perovskite solar cells via stoichiometric control and interface engineering},
  volume={211},
  issn={0038-092X},
  journal={Solar Energy},
  pages={654--660},
  author={Fatima, Kalsoom and Haider, Muhammad Irfan and Fakhruddin, Azhar and Akhter, Zareen and Sultan, Muhammad and Schmidt-Mende, Lukas}
}
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