journal article·2022-09-14

Anthracene Single-Crystal Scintillators for Computer Tomography Scanning

Mingxi Chen, Lingjie Sun, Zhongzhu Hong, Hongyun Wang, Yan Xia, Si Liu, Xiaochen Ren, Xiaotao Zhang, Dongzhi Chi, Huanghao Yang, Wenping Hu

ACS Applied Materials & Interfaces· Volume 14· Issue 36
Publisher page

Abstract

X-ray imaging and computed tomography (CT) technology, as the important non-destructive measurements, can observe internal structures without destroying the detected sample, which are always used in biological diagnosis to detect tumors, pathologies, and bone damages. It is always a challenge to find materials with a low detection limit, a short exposure time, and high resolution to reduce X-ray damage and acquire high-contrast images. Here, we described a low-cost and high-efficient method to prepare centimeter-sized anthracene crystals, which exhibited intense X-ray radioluminescence with a detection limit of ∼0.108 μGy s–1, which is only one-fifth of the dose typically used for X-ray diagnostics. Additionally, the low absorption reduced the damage in radiation and ensured superior cycle performance. X-ray detectors based on anthracene crystals also exhibited an extremely high resolution of 40 lp mm–1. The CT scanning and reconstruction of a foam sample were then achieved, and the detailed internal structure could be clearly observed. These indicated that organic crystals are expecting to be leading candidate low-cost materials for low-dose and highly sensitive X-ray detection and CT scanning.
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Research context

OpenAlex topics: Medical Imaging Techniques and Applications · Radiation Detection and Scintillator Technologies · Nuclear Physics and Applications

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

Affiliations

Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Sciences, Tianjin University, Tianjin 300072, China

Agency for Science, Technology and Research (A*STAR), Institute of Materials Research and Engineering, Innovis, 2 Fusionopolis Way, Singapore 138634, Singapore

MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fuzhou 350207, China

State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China

State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, No.345# Lingling Road, Shanghai 200032, China

Institute of Molecular Aggregation Science of Tianjin University, Tianjin 300072, China

Funding

Natural Science Foundation of Tianjin City · Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · National Research Foundation

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