The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Highly Air-Stable Carbon-Based α-CsPbI3 Perovskite Solar Cells with a Broadened Optical Spectrum
Abstract
Inorganic cesium lead halide perovskites with superb thermal stability show promise to fabricate long-term operational photovoltaic devices. However, the cubic phase (α) of CsPbI 3 with an appropriate band gap is unstable in air. We discover that highly stable α-CsPbI 3 can be obtained in dry air (temperature: 20–30 °C; humidity: 10–20%) by replacing PbI 2 with HPbI 3 in a one-step deposition solution. Furthermore, the band gap of HPbI 3 -processed α-CsPbI 3 is advantageously reduced from 1.72 to 1.68 eV due to the existence of tensile lattice strain. By employing such an α-CsPbI 3 film in carbon-based perovskite solar cells (C-PSCs), a power conversion efficiency (PCE) of 9.5% is achieved, which is a record value for the α-CsPbI 3 PSCs without hole transport material. Most importantly, over 90% of the initial PCE is retained for nonencapsulated devices after 3000 h of storage in dry air. Therefore, HPbI 3 -based one-step deposition presents a promising strategy to prepare high-performance and air-stable α-CsPbI 3 PSCs.
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Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Cited by
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Recent progress of inorganic perovskite solar cells
Tai, Q., Tang, K.-C., & Yan, F. (2019) · Energy & Environmental Science · doi:10.1039/c9ee01479a · Cited by 528
Carbon-based materials for stable, cheaper and large-scale processable perovskite solar cells
Fagiolari, L., & Bella, F. (2019) · Energy & Environmental Science · doi:10.1039/c9ee02115a · Cited by 355
Wu, T., Wang, Y., Dai, Z., Cui, D., Wang, T., Meng, X., Bi, E., Yang, X., & Han, L. (2019) · Advanced Materials · doi:10.1002/adma.201900605 · Cited by 257
Learn-and-Match Molecular Cations for Perovskites
Park, H., Mall, R., Alharbi, F. H., Sanvito, S., Tabet, N., Bensmail, H., & El-Mellouhi, F. (2019) · The Journal of Physical Chemistry A · doi:10.1021/acs.jpca.9b06208 · Cited by 50
Metadata
- Authors
- Xiang, S., Fu, Z., Li, W., Wei, Y., Liu, J., Liu, H., Zhu, L., Zhang, R., & Chen, H.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-07-09
- Volume
- 3
- Issue
- 8
- Pages
- 1824-1831
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2826355484
- Cited by
- 280
- References
- 1
- FWCI
- 15.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xiang, S., Fu, Z., Li, W., Wei, Y., Liu, J., Liu, H., Zhu, L., Zhang, R., & Chen, H. (2018). Highly Air-Stable Carbon-Based α-CsPbI3 Perovskite Solar Cells with a Broadened Optical Spectrum. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.8b00820
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