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author:

Wu, Yiheng (Wu, Yiheng.) [1] | Chen, Dayi (Chen, Dayi.) [2] | Li, Yan (Li, Yan.) [3] | Xu, Liuwei (Xu, Liuwei.) [4] | Wang, Shuaihua (Wang, Shuaihua.) [5] | Wu, Shaofan (Wu, Shaofan.) [6]

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EI

Abstract:

Ce3+ or Tb3+ single-doped and Ce3+/Tb3+ co-doped oxyfluoride scintillation glass samples were prepared by high temperature melting method. The structures were analyzed by X-ray diffraction (XRD), the optical and luminescent properties were studied by transmittance, photoluminescence excitation, photoluminescence, X-ray excited luminescence (XEL) and fluorescence decay. The luminescence intensity in the Ce3+/5 mol% Tb3+ co-doped (CT5) glass sample under 304 nm light and Xray excitation is significantly enhanced compared to 5 mol% Tb3+ single-doped (T5) glass sample. The maximum integrated XEL intensity of CT5 glass sample is about 67% of the standard Bi4Ge3O12 (BGO) crystal. Through the study of energy transfer mechanism, the results indicate that there is an energy transfer from Gd3+ ions or Ce3+ ions to Tb3+ ions. The lifetime of CT5 glass sample is 2.13 ms. The obtained results confirm that CT5 glass sample could be a promising scintillating material used in X-ray imaging. So we have demonstrated X-ray imaging using Ce3+/1–15 mol% Tb3+ co-doped (CT1-15) glass samples and confirmed they can reach a spatial resolution of 10.0 lp/mm. Further, the X-ray imaging effect of CT5 glass sample is the best, and the capability of CT5 glass sample for X-ray imaging application is confirmed. © 2022 Elsevier B.V.

Keyword:

Bismuth compounds Energy transfer Gadolinium compounds Germanium compounds Glass Ions Photoluminescence Scintillation Terbium compounds

Community:

  • [ 1 ] [Wu, Yiheng]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 2 ] [Wu, Yiheng]University of the Chinese Academy of Sciences, Beijing; 100049, China
  • [ 3 ] [Chen, Dayi]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 4 ] [Chen, Dayi]University of the Chinese Academy of Sciences, Beijing; 100049, China
  • [ 5 ] [Li, Yan]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Xu, Liuwei]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 7 ] [Wang, Shuaihua]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 8 ] [Wu, Shaofan]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou; 350002, China

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Source :

Journal of Luminescence

ISSN: 0022-2313

Year: 2022

Volume: 245

3 . 6

JCR@2022

3 . 3 0 0

JCR@2023

ESI HC Threshold:55

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 24

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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