The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.
Shining Emitter in a Stable Host: Design of Halide Perovskite Scintillators for X-ray Imaging from Commercial Concept
Open accessAbstract
Abstract Halide perovskite (HP) nanocrystals (NCs) have recently shown great potential for X-ray detection and imaging. However, the practical application still has a long way to go with many technical requirements waiting to be fulfilled, including structure optimization, stability enhancement, and cost reduction. A design principle in this beginning stage is urgently needed but still lacking. Herein, with an “emitter-in-matrix” principle refined from commercial scintillators, CsPbBr3@Cs4PbBr6 with emissive CsPbBr3 NCs embedded inside a solid-state Cs4PbBr6 host is subjected to X-ray sensing and imaging. The Cs4PbBr6 matrix not only enhances the attenuation of X-rays but also dramatically improves the stability of CsPbBr3 NCs. A favorable optical design with the Cs4PbBr6 matrix being transparent to the emission from CsPbBr3 NCs enables efficient light output. As a result, stable and sensitive scintillation response to X-ray signals is demonstrated with superior linearity and ultrahigh time resolution. In order to show the huge potential for practical applications, X-ray imaging using a large-area film (360 mm × 240 mm) by the blade-coating technique is carried out to obtain a high-quality image of interior structures invisible to the human eye. In addition to the above advantages in optics, CsPbBr3@Cs4PbBr6 also enjoys facile solution synthesis with large scalability, excellent repeatability, and low cost.
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Metadata
- Authors
- Cao, F., Yu, D., Ma, W., Xu, X., Cai, B., Yang, Y. M., Liu, S., He, L., Ke, Y., Lan, S., Choy, K.-L., & Zeng, H.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-11-27
- Volume
- 14
- Issue
- 5
- Pages
- 5183-5193
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2991569662
- Cited by
- 322
- References
- 56
- FWCI
- 30.26
- Type
- journal article
- Language
- en
- Open access
- green
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- Cao, F., Yu, D., Ma, W., Xu, X., Cai, B., Yang, Y. M., Liu, S., He, L., Ke, Y., Lan, S., Choy, K.-L., & Zeng, H. (2020). Shining Emitter in a Stable Host: Design of Halide Perovskite Scintillators for X-ray Imaging from Commercial Concept. ACS Nano. https://doi.org/10.1021/acsnano.9b06114
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