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High spectral resolution of gamma-rays at room temperature by perovskite CsPbBr3 single crystals
Open accessAbstract
Gamma-ray detection and spectroscopy is the quantitative determination of their energy spectra, and is of critical value and critically important in diverse technological and scientific fields. Here we report an improved melt growth method for cesium lead bromide and a special detector design with asymmetrical metal electrode configuration that leads to a high performance at room temperature. As-grown centimeter-sized crystals possess extremely low impurity levels (below 10 p.p.m. for total 69 elements) and detectors achieve 3.9% energy resolution for 122 keV 57 Co gamma-ray and 3.8% for 662 keV 137 Cs gamma-ray. Cesium lead bromide is unique among all gamma-ray detection materials in that its hole transport properties are responsible for the high performance. The superior mobility-lifetime product for holes (1.34 × 10−3 cm 2 V−1) derives mainly from the record long hole carrier lifetime (over 25 μs). The easily scalable crystal growth and high-energy resolution, highlight cesium lead bromide as an exceptional next generation material for room temperature radiation detection.
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Cited by
Li, X., Hoffman, J. M., & Kanatzidis, M. G. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c01006 · Cited by 1,085
Self-citationMetal Halide Perovskites for X-ray Imaging Scintillators and Detectors
Zhou, Y., Chen, J., Bakr, O. M., & Mohammed, O. F. (2021) · ACS Energy Letters · doi:10.1021/acsenergylett.0c02430 · Cited by 891
Heteroepitaxial passivation of Cs2AgBiBr6 wafers with suppressed ionic migration for X-ray imaging
Yang, B., Pan, W., Wu, H., Niu, G., Yuan, J.-H., Xue, K.-H., Yin, L., Du, X., Miao, X.-S., Yang, X., et al. (2019) · Nature Communications · doi:10.1038/s41467-019-09968-3 · Cited by 429
Efficient, fast and reabsorption-free perovskite nanocrystal-based sensitized plastic scintillators
Gandini, M., Villa, I., Beretta, M., Gotti, C., Imran, M., Carulli, F., Fantuzzi, E., Sassi, M., Zaffalon, M., Brofferio, C., et al. (2020) · Nature Nanotechnology · doi:10.1038/s41565-020-0683-8 · Cited by 389
Perovskite: Scintillators, direct detectors, and X-ray imagers
Jana, A., Cho, S., Patil, S. A., Meena, A., Jo, Y., Sree, V. G., Park, Y., Kim, H., Im, H., & Taylor, R. A. (2022) · Materials Today · doi:10.1016/j.mattod.2022.04.009 · Cited by 363
Metadata
- Authors
- He, Y., Matei, L., Jung, H. J., McCall, K. M., Chen, M., Stoumpos, C. C., Liu, Z., Peters, J. A., Chung, D. Y., Wessels, B. W., Wasielewski, M. R., Dravid, V. P., Burger, A., & Kanatzidis, M. G.
- Venue
- Nature Communications
- Published
- 2018-04-23
- Volume
- 9
- Issue
- 1
- Pages
- 1609-1609
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2801445193
- Cited by
- 626
- References
- 0
- FWCI
- 49.75
- Type
- journal article
- Language
- en
- Open access
- gold
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- He, Y., Matei, L., Jung, H. J., McCall, K. M., Chen, M., Stoumpos, C. C., Liu, Z., Peters, J. A., Chung, D. Y., Wessels, B. W., Wasielewski, M. R., Dravid, V. P., Burger, A., & Kanatzidis, M. G. (2018). High spectral resolution of gamma-rays at room temperature by perovskite CsPbBr3 single crystals. Nature Communications. https://doi.org/10.1038/s41467-018-04073-3
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