The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.
High‐Performance Perovskite Solar Cells with Enhanced Environmental Stability Based on a (p‐FC6H4C2H4NH3)2[PbI4] Capping Layer
Abstract
Supported by the density functional theory (DFT) calculations, for the first time, a fluorinated aromatic cation, 2‐(4‐fluorophenyl)ethyl ammonium iodide (FPEAI), is introduced to grow in situ a low dimensional perovskite layer atop 3D perovskite film with excess PbI 2. The resulted (p‐FC 6 H 4 C 2 H 4 NH 3)2[PbI 4] perovskite functions as a protective capping layer to protect the 3D perovskite from moisture. In the meantime, the thin layer facilitates charge transfer at the interfaces, thereby reducing the nonradiative recombination pathways. Laser scanning confocal microscopy unveils visually the distribution of the 2D perovskite layer on top of the 3D perovskite. When employing the 3D–2D perovskite as the absorbing layer in the photovoltaic cells, a high power conversion efficiency of 20.54% is realized. Superior device performance and moisture stability are observed with the modified perovskite over the whole stability test period.
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Surface Passivation Using 2D Perovskites toward Efficient and Stable Perovskite Solar Cells
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A review of aspects of additive engineering in perovskite solar cells
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How machine learning can help select capping layers to suppress perovskite degradation
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Metadata
- Authors
- Zhou, Q., Liang, L., Hu, J., Cao, B., Yang, L., Wu, T., Li, X., Zhang, B., & Gao, P.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2019-02-05
- Volume
- 9
- Issue
- 12
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2911516389
- Cited by
- 294
- References
- 57
- FWCI
- 13.22
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhou, Q., Liang, L., Hu, J., Cao, B., Yang, L., Wu, T., Li, X., Zhang, B., & Gao, P. (2019). High‐Performance Perovskite Solar Cells with Enhanced Environmental Stability Based on a (p‐FC6H4C2H4NH3)2[PbI4] Capping Layer. Advanced Energy Materials. https://doi.org/10.1002/aenm.201802595
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