Issue 37, 2023

In situ preparation of ultrastable and flexible BA2PbBr4 nanocrystal films for X-ray imaging

Abstract

Flexible imaging technology has attracted increasing interest in medical diagnosis, security inspection and non-destructive testing due to its operability for curved objects. Herein, we report an in situ fabrication strategy for a flexible BA2PbBr4 NC@PMMA film with an extraordinary stability and a high mechanical flexibility. This flexible film retains 90% and 97% of the initial radioluminescence (RL) intensity value after being immersed in water for 5 days and 600 cycles of bending, respectively. Furthermore, the scintillation film exhibits a favorable linear response correlation with the X-ray dose rate and a fast decay time of 2.07 ns. A series of well-resolved X-ray images of flat objects with a high spatial resolution of 5.5 lp mm−1 are achieved, which can satisfy the demand of many application scenarios. The non-distortion X-ray image is successfully recorded for nonplanar objects using this flexible scintillation film. Thus, these results provide a feasible route for perovskite use in flexible medical imaging.

Graphical abstract: In situ preparation of ultrastable and flexible BA2PbBr4 nanocrystal films for X-ray imaging

  • This article is part of the themed collection: #MyFirstJMCC

Supplementary files

Article information

Article type
Paper
Submitted
15 Eka. 2023
Accepted
29 Abu. 2023
First published
04 Ira. 2023

J. Mater. Chem. C, 2023,11, 12759-12763

In situ preparation of ultrastable and flexible BA2PbBr4 nanocrystal films for X-ray imaging

Y. Li, B. Liu, L. Chen, S. He, J. Liu, X. Wang, N. Zhao, L. Zhou, W. Shu and X. Ouyang, J. Mater. Chem. C, 2023, 11, 12759 DOI: 10.1039/D3TC02083E

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