The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.
Spatial and temporal imaging of long-range charge transport in perovskite thin films by ultrafast microscopy
Open accessAbstract
Charge carrier diffusion coefficient and length are important physical parameters for semiconducting materials. Long-range carrier diffusion in perovskite thin films has led to remarkable solar cell efficiencies; however, spatial and temporal mechanisms of charge transport remain unclear. Here we present a direct measurement of carrier transport in space and in time by mapping carrier density with simultaneous ultrafast time resolution and ∼50-nm spatial precision in perovskite thin films using transient absorption microscopy. These results directly visualize long-range carrier transport of ∼220 nm in 2 ns for solution-processed polycrystalline CH 3 NH 3 PbI 3 thin films. Variations of the carrier diffusion coefficient at the μm length scale have been observed with values ranging between 0.05 and 0.08 cm 2 s−1. The spatially and temporally resolved measurements reported here underscore the importance of the local morphology and establish an important first step towards discerning the underlying transport properties of perovskite materials.
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Cites
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Cited by
Brenner, T. M., Egger, D. A., Kronik, L., Hodes, G., & Cahen, D. (2016) · Nature Reviews Materials · doi:10.1038/natrevmats.2015.7 · Cited by 1,557
Nonradiative Losses in Metal Halide Perovskites
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Local Crystal Misorientation Influences Non-radiative Recombination in Halide Perovskites
Jariwala, S., Sun, H., Adhyaksa, G. W. P., Lof, A., Muscarella, L. A., Ehrler, B., Garnett, E. C., & Ginger, D. S. (2019) · Joule · doi:10.1016/j.joule.2019.09.001 · Cited by 273
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Metadata
- Authors
- Guo, Z., Manser, J. S., Wan, Y., Kamat, P. V., & Huang, L.
- Venue
- Nature Communications
- Published
- 2015-06-23
- Volume
- 6
- Issue
- 1
- Pages
- 7471-7471
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2256376455
- Cited by
- 369
- References
- 51
- FWCI
- 20.21
- Type
- journal article
- Language
- en
- Open access
- gold
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