Synthesis and thermoluminescence characterization of Ba₆Y₂W₃O₁₈ perovskite nanosensors for dosimetry

IF 3.8 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2024-10-22 DOI:10.1016/j.optmat.2024.116310

Soad M. Tadros , Mohamed El-Kinawy , R. Kamal , M. Saif , Nabil El-Faramawy

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Abstract

Through the citrate-assisted sol-gel method, barium gadolinium tungstate (Ba₆Y₂W₃O₁₈) perovskite samples were synthesized, and their luminescence properties were investigated. Through X-ray diffraction (XRD) the crystal structure of the prepared samples was examined. The tunnelling electron microscopy (TEM) analysis has confirmed the agglomeration of the nanoparticles into rods with an average diameter and length of 71 and 214 nm, respectively. The thermoluminescence (TL) properties were investigated by; first, estimating the number of composing TL components using both experimental and computational methods; second, studying the dose-response of the glow curves in response to the irradiated beta dose. The third step in the study of the TL properties was to assess the reusability of the prepared samples in TL dosimetry and the fourth step was to estimate the minimum detectable dose of the phosphor samples. The Computerized Glow Curve Deconvolution (CGCD) method was then used to extract the kinetic parameters of the composing TL peaks.

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用于剂量测定的 Ba₆Y₂W₃O₁₈ 包晶石纳米传感器的合成和热释光表征

通过柠檬酸盐辅助溶胶-凝胶法合成了钨酸钆钡（Ba6Y2W3O18）包晶石样品，并研究了它们的发光特性。通过 X 射线衍射 (XRD) 分析了所制备样品的晶体结构。隧道电子显微镜（TEM）分析证实，纳米粒子聚集成棒状，平均直径和长度分别为 71 纳米和 214 纳米。研究热致发光（TL）特性的方法包括：首先，使用实验和计算方法估算组成 TL 的成分数量；其次，研究辉光曲线对照射β剂量的剂量响应。热辐射特性研究的第三步是评估制备的样品在热辐射剂量测定中的可再利用性，第四步是估算荧光粉样品的最小可检测剂量。然后使用计算机化辉光曲线解卷积（CGCD）方法提取组成 TL 峰的动力学参数。

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.