The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
Synthetic Control over Quantum Well Width Distribution and Carrier Migration in Low-Dimensional Perovskite Photovoltaics
Abstract
Metal halide perovskites have achieved photovoltaic efficiencies exceeding 22%, but their widespread use is hindered by their instability in the presence of water and oxygen. To bolster stability, researchers have developed low-dimensional perovskites wherein bulky organic ligands terminate the perovskite lattice, forming quantum wells (QWs) that are protected by the organic layers. In thin films, the width of these QWs exhibits a distribution that results in a spread of bandgaps in the material arising due to varying degrees of quantum confinement across the population. Means to achieve refined control over this QW width distribution, and to examine and understand its influence on photovoltaic performance, are therefore of intense interest. Here we show that moving to the ligand allylammonium enables a narrower distribution of QW widths, creating a flattened energy landscape that leads to ×1.4 and ×1.9 longer diffusion lengths for electrons and holes, respectively. We attribute this to reduced ultrafast shallow hole trapping that originates from the most strongly confined QWs. We observe an increased PCE of 14.4% for allylammonium-based perovskite QW photovoltaics, compared to 11-12% PCEs obtained for analogous devices using phenethylammonium and butylammonium ligands. We then optimize the devices using mixed-cation strategies, achieving 16.5% PCE for allylammonium devices. The devices retain 90% of their initial PCEs after >650 h when stored under ambient atmospheric conditions.
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Long-Range Balanced Electron- and Hole-Transport Lengths in Organic-Inorganic CH 3 NH 3 PbI 3
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Compositional engineering of perovskite materials for high-performance solar cells
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Electron-hole diffusion lengths > 175 μm in solution-grown CH 3 NH 3 PbI 3 single crystals
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Iodide management in formamidinium-lead-halide–based perovskite layers for efficient solar cells
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Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals
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Self-citationHigh-efficiency two-dimensional Ruddlesden–Popper perovskite solar cells
Tsai, H., Nie, W., Blancon, J.-C., Stoumpos, C. C., Asadpour, R., Harutyunyan, B., Neukirch, A. J., Verduzco, R., Crochet, J. J., Tretiak, S., et al. (2016) · Nature · doi:10.1038/nature18306 · Cited by 3,384
A mixed-cation lead mixed-halide perovskite absorber for tandem solar cells
McMeekin, D. P., Sadoughi, G., Rehman, W., Eperon, G. E., Saliba, M., Hörantner, M. T., Haghighirad, A., Sakai, N., Korte, L., Rech, B., et al. (2016) · Science · doi:10.1126/science.aad5845 · Cited by 3,067
Efficient and stable solution-processed planar perovskite solar cells via contact passivation
Tan, H., Jain, A., Voznyy, O., Lan, X., García de Arquer, F. P., Fan, J. Z., Quintero-Bermudez, R., Yuan, M., Zhang, B., Zhao, Y., et al. (2017) · Science · doi:10.1126/science.aai9081 · Cited by 2,342
Self-citationPerovskite energy funnels for efficient light-emitting diodes
Yuan, M., Quan, L. N., Comin, R., Walters, G., Sabatini, R., Voznyy, O., Hoogland, S., Zhao, Y., Beauregard, E. M., Kanjanaboos, P., et al. (2016) · Nature Nanotechnology · doi:10.1038/nnano.2016.110 · Cited by 2,325
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Chen, J., & Park, N. (2019) · Advanced Materials · doi:10.1002/adma.201803019 · Cited by 733
Enhanced Charge Transport in 2D Perovskites via Fluorination of Organic Cation
Zhang, F., Kim, D. H., Lu, H., Park, J.-S., Larson, B. W., Hu, J., Gao, L., Xiao, C., Reid, O. G., Chen, X., et al. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.9b00972 · Cited by 382
Phase Pure 2D Perovskite for High‐Performance 2D–3D Heterostructured Perovskite Solar Cells
Li, P., Zhang, Y., Liang, C., Xing, G., Liu, X., Li, F., Liu, X., Hu, X., Shao, G., & Song, Y. (2018) · Advanced Materials · doi:10.1002/adma.201805323 · Cited by 339
Reduced-dimensional perovskite photovoltaics with homogeneous energy landscape
He, T., Li, S., Jiang, Y., Qin, C., Cui, M., Qiao, L., Xu, H., Yang, J., Long, R., Wang, H., et al. (2020) · Nature Communications · doi:10.1038/s41467-020-15451-1 · Cited by 325
Metadata
- Authors
- Proppe, A. H., Quintero-Bermudez, R., Tan, H., Voznyy, O., Kelley, S. O., & Sargent, E. H.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-02-16
- Volume
- 140
- Issue
- 8
- Pages
- 2890-2896
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2787432617
- Cited by
- 346
- References
- 27
- FWCI
- 18.25
- Type
- journal article
- Language
- en
- Open access
- closed
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- Proppe, A. H., Quintero-Bermudez, R., Tan, H., Voznyy, O., Kelley, S. O., & Sargent, E. H. (2018). Synthetic Control over Quantum Well Width Distribution and Carrier Migration in Low-Dimensional Perovskite Photovoltaics. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.7b12551
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
