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Defect passivation in perovskite solar cells using an amino-functionalized BODIPY fluorophore

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2022

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Soultati, Anastasia
Tountas, Marinos
Skoulikidou, Maria-Christina
Verykios, Apostolis
Armadorou, Konstantina-Kalliopi
Tzoganakis, Nikolaos
Vidali, Veroniki P.
Coutsolelos, Athanassios G.
Vasilopoulou, Maria
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https://doi.org/10.1039/D2SE00384H
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Sustainable Energy & Fuels. Royal Society of Chemistry (RSC). 2022, 6(10), pp. 2570-2580. eISSN 2398-4902. Available under: doi: 10.1039/D2SE00384H

Zusammenfassung

The presence of defects formed during the growth and crystallization of perovskite films is a limiting factor to achieve high efficiency and stability in perovskite solar cells. Here, we present a robust route to passivate bulk and surface defects in perovskite films by using an amino-functionalized BODIPY fluorophore. The addition of amino-BODIPY into the prototype methyl ammonium lead iodide (MAPbI3) perovskite solution significantly altered the nanomorphology of the perovskite film and alleviated the defect formation leading to efficiency enhancement and prolonged stability of perovskite solar cells with a regular structure. Similar results were obtained when using the BODIPY fluorophore in chlorobenzene (CB)-based antisolvent treatment of spin-coated perovskite films in inverted perovskite solar cells. In addition, reduction in the electron extraction barrier was evidenced. Our approach represents a universal passivation methodology for boosting the efficiency and stability in both regular and inverted perovskite solar cells.

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ISO 690SOULTATI, Anastasia, Marinos TOUNTAS, Azhar FAKHARUDDIN, Maria-Christina SKOULIKIDOU, Apostolis VERYKIOS, Konstantina-Kalliopi ARMADOROU, Nikolaos TZOGANAKIS, Veroniki P. VIDALI, Athanassios G. COUTSOLELOS, Maria VASILOPOULOU, 2022. Defect passivation in perovskite solar cells using an amino-functionalized BODIPY fluorophore. In: Sustainable Energy & Fuels. Royal Society of Chemistry (RSC). 2022, 6(10), pp. 2570-2580. eISSN 2398-4902. Available under: doi: 10.1039/D2SE00384H
BibTex
@article{Soultati2022Defec-57689,
  year={2022},
  doi={10.1039/D2SE00384H},
  title={Defect passivation in perovskite solar cells using an amino-functionalized BODIPY fluorophore},
  number={10},
  volume={6},
  journal={Sustainable Energy & Fuels},
  pages={2570--2580},
  author={Soultati, Anastasia and Tountas, Marinos and Fakharuddin, Azhar and Skoulikidou, Maria-Christina and Verykios, Apostolis and Armadorou, Konstantina-Kalliopi and Tzoganakis, Nikolaos and Vidali, Veroniki P. and Coutsolelos, Athanassios G. and Vasilopoulou, Maria}
}
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