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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202211840
|2 doi
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|a pubmed25n1181.xml
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|a (DE-627)NLM35448446X
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|a (NLM)36943095
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Pan, Lei
|e verfasserin
|4 aut
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|a Ultrahigh-Flux X-ray Detection by a Solution-Grown Perovskite CsPbBr3 Single-Crystal Semiconductor Detector
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 22.06.2023
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|a Date Revised 22.06.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Solution-processed perovskites are promising for hard X-ray and gamma-ray detection, but there are limited reports on their performance under extremely intense X-rays. Here, a solution-grown all-inorganic perovskite CsPbBr3 single-crystal semiconductor detector capable of operating at ultrahigh X-ray flux of 1010 photons s-1 mm-2 is reported. High-quality solution-grown CsPbBr3 single crystals are fabricated into detectors with a Schottky diode structure of eutectic gallium indium/CsPbBr3 /Au. A high reverse-bias voltage of 1000 V (435 V mm- 1 ) can be applied with a small and stable dark current of ≈60-70 nA (≈9-10 nA mm- 2 ), which enables a high sensitivity larger than 10 000 µC Gyair -1 cm- 2 and a simultaneous low detection limit of 22 nGyair s- 1 . The CsPbBr3 semiconductor detector shows an excellent photocurrent linearity and reproducibility under 58.61 keV synchrotron X-rays with flux from 106 to 1010 photons s- 1 mm- 2 . Defect characterization by thermally stimulated current spectroscopy shows a similar low defect density of a synchrotron X-ray and a lab X-ray irradiated device. Solid-state nuclear magnetic resonance spectroscopy suggests that the excellent performance of the solution-grown CsPbBr3 single crystal may be associated with its good short-range order, comparable to the spectrometer-grade melt-grown CsPbBr3
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|a Journal Article
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|a X-ray detectors
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|a perovskite CsPbBr3
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|a solution-grown materials
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|a ultrahigh flux
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|a Liu, Zhifu
|e verfasserin
|4 aut
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|a Welton, Claire
|e verfasserin
|4 aut
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|a Klepov, Vladislav V
|e verfasserin
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|a Peters, John A
|e verfasserin
|4 aut
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|a De Siena, Michael C
|e verfasserin
|4 aut
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|a Benadia, Alessandro
|e verfasserin
|4 aut
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|a Pandey, Indra
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|a Miceli, Antonino
|e verfasserin
|4 aut
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|a Chung, Duck Young
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|a Reddy, G N Manjunatha
|e verfasserin
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|a Wessels, Bruce W
|e verfasserin
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|a Kanatzidis, Mercouri G
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 25 vom: 21. Juni, Seite e2211840
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:35
|g year:2023
|g number:25
|g day:21
|g month:06
|g pages:e2211840
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|u http://dx.doi.org/10.1002/adma.202211840
|3 Volltext
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