Te 4+ -doped Cs 2 SnCl 6 scintillator for flexible and efficient X-ray imaging screens

The rising demand for X-ray imaging technologies in medical radiography and nondestructive detection calls for novel scintillator materials, particularly those which are cost effective, high resolution, and have a low detection limit. Here we report investigations into the scintillating behavior of...

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Veröffentlicht in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2024-02, Vol.12 (6), p.2241-2246
Hauptverfasser: Wang, Mengyao, Qing, Xiaofei, Du, Tianyun, Wu, Chuanli, Han, Xiuxun
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container_issue 6
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container_title Journal of materials chemistry. C, Materials for optical and electronic devices
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creator Wang, Mengyao
Qing, Xiaofei
Du, Tianyun
Wu, Chuanli
Han, Xiuxun
description The rising demand for X-ray imaging technologies in medical radiography and nondestructive detection calls for novel scintillator materials, particularly those which are cost effective, high resolution, and have a low detection limit. Here we report investigations into the scintillating behavior of vacancy-ordered double perovskite Cs 2 SnCl 6 fabricated via a simple co-precipitation process. By introducing Te 4+ doping, an intense yellow emission was achieved upon X-ray irradiation. Combined with PDMS, flexible imaging screens with tunable size and thickness could be obtained, and demonstrated a high resolution of 20 LP mm −1 , a low detection limit of 132 nGy air s −1 , and high X-ray radiation endurance. Its excellent flexibility enables clear and less vignetted X-ray imaging for nonplanar subjects. The findings open a new avenue towards versatile applications for Sn-based vacancy-ordered double perovskites for other than visible and near-infrared emissions.
doi_str_mv 10.1039/D3TC03818A
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title Te 4+ -doped Cs 2 SnCl 6 scintillator for flexible and efficient X-ray imaging screens
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