The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.
Large tunable photoeffect on ion conduction in halide perovskites and implications for photodecomposition
Open accessAbstract
In the same way as electron transport is crucial for information technology, ion transport is a key phenomenon in the context of energy research. To be able to tune ion conduction by light would open up opportunities for a wide realm of new applications, but it has been challenging to provide clear evidence for such an effect. Here we show through various techniques, such as transference-number measurements, permeation studies, stoichiometric variations, Hall effect experiments and the use of blocking electrodes, that light excitation enhances by several orders of magnitude the ionic conductivity of methylammonium lead iodide, the archetypal metal halide photovoltaic material. We provide a rationale for this unexpected phenomenon and show that it straightforwardly leads to a hitherto unconsidered photodecomposition path of the perovskite.The ionic conductivity of methylammonium lead iodide is enhanced up to two orders of magnitude when the material is exposed to light. This effect may also have implications for the photostability of perovskites.
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Cites
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Cited by
Li, N., Luo, Y., Chen, Z., Niu, X., Zhang, X., Lu, J., Kumar, R., Jiang, J., Liu, H., Guo, X., et al. (2020) · Joule · doi:10.1016/j.joule.2020.06.005 · Cited by 281
Dielectric and ferroic properties of metal halide perovskites
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Halide Ion Migration in Perovskite Nanocrystals and Nanostructures
Kamat, P. V., & Kuno, M. (2021) · Accounts of Chemical Research · doi:10.1021/acs.accounts.0c00749 · Cited by 219
Flexible and Wearable Optoelectronic Devices Based on Perovskites
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Metadata
- Authors
- Kim, G. Y., Senocrate, A., Yang, T.-Y., Gregori, G., Grätzel, M., & Maier, J.
- Venue
- Nature Materials
- Published
- 2018-03-19
- Volume
- 17
- Issue
- 5
- Pages
- 445-449
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W2791806299
- Cited by
- 587
- References
- 37
- FWCI
- 26.44
- Type
- journal article
- Language
- en
- Open access
- green
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- Kim, G. Y., Senocrate, A., Yang, T.-Y., Gregori, G., Grätzel, M., & Maier, J. (2018). Large tunable photoeffect on ion conduction in halide perovskites and implications for photodecomposition. Nature Materials. https://doi.org/10.1038/s41563-018-0038-0
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