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Direct calorimetric verification of thermodynamic instability of lead halide hybrid perovskites
Open accessAbstract
Significance: Organic metal halide perovskites are a promising class of materials for next-generation solar cells. However, they are chemically labile, raising questions of thermodynamic stability and posing a significant challenge for their use. This paper provides direct calorimetric measurements of their heats of formation from binary halide constituents. The positive formation enthalpy of methylammonium lead iodide from MAI and PbI 2 (MA = methylammonium) confirms thermodynamic instability, thus limiting long-term persistence even in the absence of air, moisture, heat, or light. The enthalpy of formation of the iodide, bromide, and chloride perovskite becomes less positive with increasing Goldschmidt tolerance factor, suggesting a criterion in the search for more stable hybrid perovskites.
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CRC Handbook of Chemistry and Physics
(2014) · doi:10.1201/b17118 · Cited by 57,706
Cited by
Wei, Y., Cheng, Z., & Lin, J. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00740c · Cited by 1,206
The thermodynamic scale of inorganic crystalline metastability
Sun, W., Dacek, S. T., Ong, S. P., Hautier, G., Jain, A., Richards, W. D., Gamst, A. C., Persson, K. A., & Ceder, G. (2016) · Science Advances · doi:10.1126/sciadv.1600225 · Cited by 961
Highly stable, phase pure Cs2AgBiBr6 double perovskite thin films for optoelectronic applications
Greul, E., Petrus, M. L., Binek, A., Docampo, P., & Bein, T. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta06816f · Cited by 772
2D perovskite stabilized phase-pure formamidinium perovskite solar cells
Lee, J.-W., Dai, Z., Han, T.-H., Choi, C., Chang, S.-Y., Lee, S.-J., De Marco, N., Zhao, H., Sun, P., Huang, Y., et al. (2018) · Nature Communications · doi:10.1038/s41467-018-05454-4 · Cited by 746
Synthetic Approaches for Halide Perovskite Thin Films
Dunlap-Shohl, W. A., Zhou, Y., Padture, N. P., & Mitzi, D. B. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00318 · Cited by 631
Metadata
- Authors
- Nagabhushana, G. P., Shivaramaiah, R., & Navrotsky, A.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2016-06-28
- Volume
- 113
- Issue
- 28
- Pages
- 7717-7721
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2472293555
- Cited by
- 415
- References
- 1
- FWCI
- 22.41
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Nagabhushana, G. P., Shivaramaiah, R., & Navrotsky, A. (2016). Direct calorimetric verification of thermodynamic instability of lead halide hybrid perovskites. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1607850113
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