Pseudo‐Halide Perovskite Solar Cells

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Date
2021
Authors
Lin, Pei‐Ying
Loganathan, Aswaghosh
Raifuku, Itaru
Li, Ming‐Hsien
Chiu, Yueh‐Ya
Chang, Shao‐Tung
Lin, Chen‐Fu
Chen, Peter
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Advanced Energy Materials ; 11 (2021), 28. - 2100818. - Wiley. - ISSN 1614-6832. - eISSN 1614-6840
Abstract
Perovskite solar cells (PSCs) have achieved certified power conversion efficiency (PCE) over 25%. Though their high PCE can be achieved by optimizing absorber layer and device interfaces, the intrinsic instability of perovskite materials is still a key issue to be resolved. Mixed-halide perovskites using multiple halogen constituents have been proved to improve robustness; however, the anion at the X site in the ABX3 formula is not limited to halogens. Other negative monovalent ions with similar properties to halogens, such as pseudo-halogens, have the opportunity to form perovskites with ABX3 stoichiometry. Recently, thiocyanates and formates have been utilized to synthesize stable perovskite materials. This review presents the evolution of pseudo-halide perovskite solar cells in the past few years. The intrinsic properties, their effects on crystal structure, and bandgap engineering of the pseudo-halide perovskites are summarized. Various thiocyanate compounds applied in the fabrication of perovskite solar cells are discussed. The fabrication process, film formation mechanism, and crystallinity of pseudo-halide perovskites are elucidated to understand their effects on the photovoltaic performance and device stability. Other applications of pseudo-halide perovskites are summarized in the final section. Lastly, this review concludes with suggestions and outlooks for further research directions.
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530 Physics
Keywords
perovskite solar cells, pseudo-halide perovskites, thiocyanate
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ISO 690LIN, Pei‐Ying, Aswaghosh LOGANATHAN, Itaru RAIFUKU, Ming‐Hsien LI, Yueh‐Ya CHIU, Shao‐Tung CHANG, Azhar FAKHARUDDIN, Chen‐Fu LIN, Lukas SCHMIDT-MENDE, Peter CHEN, 2021. Pseudo‐Halide Perovskite Solar Cells. In: Advanced Energy Materials. Wiley. 11(28), 2100818. ISSN 1614-6832. eISSN 1614-6840. Available under: doi: 10.1002/aenm.202100818
BibTex
@article{Lin2021Pseud-54606,
  year={2021},
  doi={10.1002/aenm.202100818},
  title={Pseudo‐Halide Perovskite Solar Cells},
  number={28},
  volume={11},
  issn={1614-6832},
  journal={Advanced Energy Materials},
  author={Lin, Pei‐Ying and Loganathan, Aswaghosh and Raifuku, Itaru and Li, Ming‐Hsien and Chiu, Yueh‐Ya and Chang, Shao‐Tung and Fakharuddin, Azhar and Lin, Chen‐Fu and Schmidt-Mende, Lukas and Chen, Peter},
  note={Article Number: 2100818}
}
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