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Cited by 377

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Thermodynamic Stability Trend of Cubic Perovskites

Sun, Qingde, Yin, Wan-Jian·2017·Journal of the American Chemical Society

Abstract

Stability is of central importance in current perovskite solar cell research and applications. Goldschmidt tolerance factor ( t ) recently provided qualitative guidance for experimentalists to engineer stable ABX 3 perovskite by tuning effective ionic size with mixing cations or anions and for theorists to search emerging perovskites. Through first-principles calculations, we have calculated decomposition energies of 138 perovskite compounds of potential solar cell applications. Instead of t, we have found that (μ + t ) η, where μ and η are the octahedral factor and the atomic packing fraction, respectively, demonstrates a remarkably linear correlation with thermodynamic stability. As a stability descriptor, (μ + t ) η is able to predict the relative stability among any two perovskites with an accuracy of ∼90%. This trend is then used to predict decomposition energies of another 69 perovskites, and the results are in excellent agreement with first-principles calculations, indicating the generalization of the trend. This thermodynamic stability trend may help the efficient high-throughput search for emerging stable perovskites and precise control of chemical compositions for stabilizing current perovskites.

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Metadata

Authors
Sun, Q., & Yin, W.-J.
Venue
Journal of the American Chemical Society
Published
2017-10-11
Volume
139
Issue
42
Pages
14905-14908
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2764247306
Cited by
377
References
31
FWCI
9.40
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Thermodynamic Stability Trend of Cubic Perovskites. https://app.cochat.ai/papers/10.1021/jacs.7b09379
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Sun, Q., & Yin, W.-J. (2017). Thermodynamic Stability Trend of Cubic Perovskites. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.7b09379

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