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Ferroelectric Polarization in CH3NH3PbI3 Perovskite
Abstract
We report on ferroelectric polarization behavior in CH3NH3PbI3 perovskite in the dark and under illumination. Perovskite crystals with three different sizes of 700, 400, and 100 nm were prepared for piezoresponse force microscopy (PFM) measurements. PFM results confirmed the formation of spontaneous polarization in CH3NH3PbI3 in the absence of electric field, where the size dependency to polarization was not significant. Whereas the photoinduced stimulation was not significant without an external electric field, the stimulated polarization by poling was further enhanced under illumination. The retention of ferroelectric polarization was also observed after removal of the electric field, in which larger crystals showed longer retention behavior compared to the smaller sized one. Additionally, we suggest the effect of perovskite crystal size (morphology) on charge collection at the interface of the ferroelectric material even though insignificant size dependency in electric polarization was observed.
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Stranks, S. D., Eperon, G. E., Grancini, G., Menelaou, C., Alcocer, M. J. P., Leijtens, T., Herz, L. M., Petrozza, A., & Snaith, H. J. (2013) · Science · doi:10.1126/science.1243982 · Cited by 10,413
Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Self-citation
Cited by
Control of I–V Hysteresis in CH3NH3PbI3 Perovskite Solar Cell
Kim, H.-S., Jang, I.-H., Ahn, N., Choi, M., Guerrero, A., Bisquert, J., & Park, N.-G. (2015) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.5b02273 · Cited by 478
Self-citationSelf‐Assembled Monolayers as Interface Engineering Nanomaterials in Perovskite Solar Cells
Kim, S. Y., Cho, S. J., Byeon, S. E., He, X., & Yoon, H. J. (2020) · Advanced Energy Materials · doi:10.1002/aenm.202002606 · Cited by 404
Self-citationResearch Direction toward Scalable, Stable, and High Efficiency Perovskite Solar Cells
Park, N. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201903106 · Cited by 268
Self-citationDielectric and ferroic properties of metal halide perovskites
Wilson, J. N., Frost, J. M., Wallace, S. K., & Walsh, A. (2019) · APL Materials · doi:10.1063/1.5079633 · Cited by 253
Guan, X., Hu, W., Haque, M. A., Wei, N., Liu, Z., Chen, A., & Wu, T. (2018) · Advanced Functional Materials · doi:10.1002/adfm.201704665 · Cited by 228
Metadata
- Authors
- Kim, H.-S., Kim, S. K., Kim, B. J., Shin, K.-S., Gupta, M. K., Jung, H. S., Kim, S.-W., & Park, N.-G.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-04-23
- Volume
- 6
- Issue
- 9
- Pages
- 1729-1735
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2331469358
- Cited by
- 206
- References
- 2
- FWCI
- 17.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kim, H.-S., Kim, S. K., Kim, B. J., Shin, K.-S., Gupta, M. K., Jung, H. S., Kim, S.-W., & Park, N.-G. (2015). Ferroelectric Polarization in CH3NH3PbI3 Perovskite. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/acs.jpclett.5b00695
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