The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.
Solvent-Mediated Crystallization of CH3NH3SnI3Films for Heterojunction Depleted Perovskite Solar Cells
Open accessAbstract
Organo-lead halide perovskite solar cells have gained enormous significance and have now achieved power conversion efficiencies of ∼20%. However, the potential toxicity of lead in these systems raises environmental concerns for widespread deployment. Here we investigate solvent effects on the crystallization of the lead-free methylammonium tin triiodide (CH3NH3SnI3) perovskite films in a solution growth process. Highly uniform, pinhole-free perovskite films are obtained from a dimethyl sulfoxide (DMSO) solution via a transitional SnI2·3DMSO intermediate phase. This high-quality perovskite film enables the realization of heterojunction depleted solar cells based on mesoporous TiO2 layer but in the absence of any hole-transporting material with an unprecedented photocurrent up to 21 mA cm(-2). Charge extraction and transient photovoltage decay measurements reveal high carrier densities in the CH3NH3SnI3 perovskite device which are one order of magnitude larger than CH3NH3PbI3-based devices but with comparable recombination lifetimes in both devices. The relatively high background dark carrier density of the Sn-based perovskite is responsible for the lower photovoltaic efficiency in comparison to the Pb-based analogues. These results provide important progress toward achieving improved perovskite morphology control in realizing solution-processed highly efficient lead-free perovskite solar cells.
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Cites
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Self-citation
Cited by
The Renaissance of Halide Perovskites and Their Evolution as Emerging Semiconductors
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Self-citation“Unleaded” Perovskites: Status Quo and Future Prospects of Tin‐Based Perovskite Solar Cells
Ke, W., Stoumpos, C. C., & Kanatzidis, M. G. (2019) · Advanced Materials · doi:10.1002/adma.201803230 · Cited by 533
Self-citationJokar, E., Chien, C., Tsai, C., Fathi, A., & Diau, E. W. (2019) · Advanced Materials · doi:10.1002/adma.201804835 · Cited by 513
Recent advances in perovskite solar cells: efficiency, stability and lead-free perovskite
Yang, S., Fu, W., Zhang, Z., Chen, H., & Li, C.-Z. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta00366h · Cited by 486
Stable Low‐Bandgap Pb–Sn Binary Perovskites for Tandem Solar Cells
Yang, Z., Rajagopal, A., Chueh, C., Jo, S. B., Liu, B., Zhao, T., & Jen, A. K. ‐. (2016) · Advanced Materials · doi:10.1002/adma.201602696 · Cited by 367
Metadata
- Authors
- Hao, F., Stoumpos, C. C., Guo, P., Zhou, N., Marks, T. J., Chang, R. P. H., & Kanatzidis, M. G.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-08-27
- Volume
- 137
- Issue
- 35
- Pages
- 11445-11452
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1648474991
- Cited by
- 759
- References
- 54
- FWCI
- 28.39
- Type
- journal article
- Language
- en
- Open access
- green
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- Hao, F., Stoumpos, C. C., Guo, P., Zhou, N., Marks, T. J., Chang, R. P. H., & Kanatzidis, M. G. (2015). Solvent-Mediated Crystallization of CH3NH3SnI3Films for Heterojunction Depleted Perovskite Solar Cells. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.5b06658
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