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Enhanced optoelectronic quality of perovskite thin films with hypophosphorous acid for planar heterojunction solar cells
Open accessAbstract
Solution-processed metal halide perovskite semiconductors, such as CH 3 NH 3 PbI 3, have exhibited remarkable performance in solar cells, despite having non-negligible density of defect states. A likely candidate is halide vacancies within the perovskite crystals, or the presence of metallic lead, both generated due to the imbalanced I/Pb stoichiometry which could evolve during crystallization. Herein, we show that the addition of hypophosphorous acid (HPA) in the precursor solution can significantly improve the film quality, both electronically and topologically, and enhance the photoluminescence intensity, which leads to more efficient and reproducible photovoltaic devices. We demonstrate that the HPA can reduce the oxidized I 2 back into I−, and our results indicate that this facilitates an improved stoichiometry in the perovskite crystal and a reduced density of metallic lead.
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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
Impact of microstructure on local carrier lifetime in perovskite solar cells
de Quilettes, D. W., Vorpahl, S. M., Stranks, S. D., Nagaoka, H., Eperon, G. E., Ziffer, M. E., Snaith, H. J., & Ginger, D. S. (2015) · Science · doi:10.1126/science.aaa5333 · Cited by 2,198
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Cited by
Causes and Solutions of Recombination in Perovskite Solar Cells
Chen, J., & Park, N. (2019) · Advanced Materials · doi:10.1002/adma.201803019 · Cited by 733
Strongly emissive perovskite nanocrystal inks for high-voltage solar cells
Akkerman, Q. A., Gandini, M., Di Stasio, F., Rastogi, P., Palazon, F., Bertoni, G., Ball, J. M., Prato, M., Petrozza, A., & Manna, L. (2016) · Nature Energy · doi:10.1038/nenergy.2016.194 · Cited by 721
Ke, W., Xiao, C., Wang, C., Saparov, B., Duan, H., Zhao, D., Xiao, Z., Schulz, P., Harvey, S. P., Liao, W., et al. (2016) · Advanced Materials · doi:10.1002/adma.201600594 · Cited by 579
Origins and influences of metallic lead in perovskite solar cells
Liang, J., Hu, X., Wang, C., Liang, C., Chen, C., Xiao, M., Li, J., Tao, C., Xing, G., Yu, R., et al. (2022) · Joule · doi:10.1016/j.joule.2022.03.005 · Cited by 576
Lattice strain causes non-radiative losses in halide perovskites
Jones, T. W., Osherov, A., Alsari, M., Sponseller, M., Duck, B. C., Jung, Y.-K., Settens, C., Niroui, F., Brenes, R., Stan, C. V., et al. (2019) · Energy & Environmental Science · doi:10.1039/c8ee02751j · Cited by 508
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Metadata
- Authors
- Zhang, W., Pathak, S., Sakai, N., Stergiopoulos, T., Nayak, P. K., Noel, N. K., Haghighirad, A. A., Burlakov, V. M., deQuilettes, D. W., Sadhanala, A., Li, W., Wang, L., Ginger, D. S., Friend, R. H., & Snaith, H. J.
- Venue
- Nature Communications
- Published
- 2015-11-30
- Volume
- 6
- Issue
- 1
- Pages
- 10030-10030
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2265329223
- Cited by
- 766
- References
- 2
- FWCI
- 33.52
- Type
- journal article
- Language
- en
- Open access
- gold
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- Zhang, W., Pathak, S., Sakai, N., Stergiopoulos, T., Nayak, P. K., Noel, N. K., Haghighirad, A. A., Burlakov, V. M., deQuilettes, D. W., Sadhanala, A., Li, W., Wang, L., Ginger, D. S., Friend, R. H., & Snaith, H. J. (2015). Enhanced optoelectronic quality of perovskite thin films with hypophosphorous acid for planar heterojunction solar cells. Nature Communications. https://doi.org/10.1038/ncomms10030
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
