journal article·2026-04

Solution‐Processable Copper Iodide Scintillator for High‐Resolution Planar‐Curved X‐Ray Imaging

Binbin Su, Chenning Sun, Jiahui Wei, Zhichao Chang, Yayun Zhou, Guojun Zhou, Huidong Xie, Zhiguo Xia

Advanced Optical Materials· Volume 14· Issue 13
Publisher page

Abstract

ABSTRACT The development of high‐performance scintillators is crucial for advancing radiation detection and X‐ray imaging technologies. Herein, we report the rational design and synthesis of a 0D hybrid copper iodide scintillator (CyclamH 4 )Cu 2 I 6 , which exhibits intense radioluminescence centered at 450 nm. This blue emission demonstrates excellent spectral match with the peak photon detection efficiency of modern silicon photomultipliers, thereby facilitating efficient photodetection. The (CyclamH 4 )Cu 2 I 6 scintillator achieves a high light yield of 42 720 photons/MeV, a detection limit of 83.5 nGy air s −1 , and notable radiation resistance stability. Accordingly, the inch‐size flexible (CyclamH 4 )Cu 2 I 6 @PDMS scintillator film achieves superior performance in X‐ray imaging, as evidenced by a high spatial resolution of 13.6 lp/mm. This work validates copper halides as a tunable platform for the design of scintillators, thereby opening new avenues for the innovation of X‐ray imaging technology.
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Research context

OpenAlex topics: Radiation Detection and Scintillator Technologies · Luminescence Properties of Advanced Materials · Advanced Semiconductor Detectors and Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering Xi'an University of Science and Technology Xi'an Shaanxi P. R. China

School of Chemistry and Chemical Engineering Xi'an University of Architecture and Technology Xi'an Shaanxi P. R. China

Guangdong‐Hong Kong‐Macao Joint Laboratory for Intelligent Micro‐Nano Optoelectronic Technology School of Physics and Optoelectronic Engineering Foshan University Foshan P. R. China

School of Chemistry and Chemistry Engineering Shanxi Normal University Taiyuan P. R. China

State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices School of Physics and Optoelectronics South China University of Technology Guangzhou P. R. China

Funding

National Natural Science Foundation of China

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