The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Hot‐Pressed CsPbBr3 Quasi‐Monocrystalline Film for Sensitive Direct X‐ray Detection
Abstract
An X‐ray detector with high sensitivity would be able to increase the generated signal and reduce the dose rate; thus, this type of detector is beneficial for applications such as medical imaging and product inspection. The inorganic lead halide perovskite CsPbBr 3 possesses relatively larger density and a higher atomic number in contrast to its hybrid counterpart. Therefore, it is expected to provide high detection sensitivity for X‐rays; however, it has rarely been studied as a direct X‐ray detector. Here, a hot‐pressing method is employed to fabricate thick quasi‐monocrystalline CsPbBr 3 films, and a record sensitivity of 55 684 µC Gy air−1 cm−2 is achieved, surpassing all other X‐ray detectors (direct and indirect). The hot‐pressing method is simple and produces thick quasi‐monocrystalline CsPbBr 3 films with uniform orientations. The high crystalline quality of the CsPbBr 3 films and the formation of self‐formed shallow bromide vacancy defects during the high‐temperature process result in a large µτ product and, therefore, a high photoconductivity gain factor and high detection sensitivity. The detectors also exhibit relatively fast response speed, negligible baseline drift, and good stability, making a CsPbBr 3 X‐ray detector extremely competitive for high‐contrast X‐ray detections.
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Cites
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Cited by
Metal Halide Perovskites for X-ray Imaging Scintillators and Detectors
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Perovskite: Scintillators, direct detectors, and X-ray imagers
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Crystallization of CsPbBr3 single crystals in water for X-ray detection
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Halide Perovskite, a Potential Scintillator for X‐Ray Detection
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Metadata
- Authors
- Pan, W., Yang, B., Niu, G., Xue, K., Du, X., Yin, L., Zhang, M., Wu, H., Miao, X., & Tang, J.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2019-09-16
- Volume
- 31
- Issue
- 44
- Pages
- e1904405-e1904405
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2974618889
- Cited by
- 346
- References
- 18
- FWCI
- 28.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pan, W., Yang, B., Niu, G., Xue, K., Du, X., Yin, L., Zhang, M., Wu, H., Miao, X., & Tang, J. (2019). Hot‐Pressed CsPbBr3 Quasi‐Monocrystalline Film for Sensitive Direct X‐ray Detection. Advanced Materials. https://doi.org/10.1002/adma.201904405
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