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Mechanical properties of APbX3 (A = Cs or CH3NH3; X= I or Br) perovskite single crystals
Open accessAbstract
The remarkable optoelectronic and especially photovoltaic performance of hybrid organic-inorganic perovskite (HOIP) materials drives efforts to connect materials properties to this performance. From nano-indentation experiments on solution-grown single crystals we obtain elastic modulus and nano-hardness values of APb X _3 ( A = Cs, CH_3NH_3; X = I, Br). The Young’s moduli are ≈14, 19.5, and 16 GPa, for CH_3NH_3Pbl_3, CH_3NH_3PbBr_3, and CsPbBr_3, respectively, lending credence to theoretically calculated values. We discuss the possible relevance of our results to suggested “self-healing”, ion diffusion, and ease of manufacturing. Using our results, together with literature data on elastic moduli, we classified HOIPs amongst the relevant material groups, based on their elastomechanical properties.
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Cited by
Fu, Y., Zhu, H., Chen, J., Hautzinger, M. P., Zhu, X.-Y., & Jin, S. (2019) · Nature Reviews Materials · doi:10.1038/s41578-019-0080-9 · Cited by 934
Origin of Reversible Photoinduced Phase Separation in Hybrid Perovskites
Bischak, C. G., Hetherington, C. L., Wu, H., Aloni, S., Ogletree, D. F., Limmer, D. T., & Ginsberg, N. S. (2017) · Nano Letters · doi:10.1021/acs.nanolett.6b04453 · Cited by 745
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
Improving the Stability of Metal Halide Perovskite Materials and Light‐Emitting Diodes
Cho, H., Kim, Y., Wolf, C., Lee, H., & Lee, T. (2018) · Advanced Materials · doi:10.1002/adma.201704587 · Cited by 470
Optical phonons in methylammonium lead halide perovskites and implications for charge transport
Sendner, M., Nayak, P. K., Egger, D. A., Beck, S., Müller, C., Epding, B., Kowalsky, W., Kronik, L., Snaith, H. J., Pucci, A., et al. (2016) · Materials Horizons · doi:10.1039/c6mh00275g · Cited by 403
Metadata
- Authors
- Rakita, Y., Cohen, S. R., Kedem, N. K., Hodes, G., & Cahen, D.
- Venue
- MRS Communications
- Published
- 2015-12
- Volume
- 5
- Issue
- 4
- Pages
- 623-629
- ISSN
- 2159-6859 (ISSN-L)
- 2159-6867
- OpenAlex
- W1865001351
- Cited by
- 370
- References
- 0
- FWCI
- 12.35
- Type
- journal article
- Language
- en
- Open access
- green
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- Rakita, Y., Cohen, S. R., Kedem, N. K., Hodes, G., & Cahen, D. (2015). Mechanical properties of APbX3 (A = Cs or CH3NH3; X= I or Br) perovskite single crystals. MRS Communications. https://doi.org/10.1557/mrc.2015.69
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