Jiali Yao, Dan Huang, Xudong Hu, Haiming Cheng, Dayang Wang, Xiaoming Li*, Wensheng Yang* and Renguo Xie*,
{"title":"一维掺铜 Rb2AgI3 作为高性能 X 射线闪烁体具有高效天蓝色发射功能","authors":"Jiali Yao, Dan Huang, Xudong Hu, Haiming Cheng, Dayang Wang, Xiaoming Li*, Wensheng Yang* and Renguo Xie*, ","doi":"10.1021/acsomega.4c04077","DOIUrl":null,"url":null,"abstract":"<p >Scintillators have garnered heightened attention for their diverse applications in medical imaging and security inspection. Nonetheless, commercial scintillators encounter challenges with costly rare-earth metals and toxic elements like thallium (Tl), driving the need for sustainable, cost-effective, and eco-friendly alternatives to meet contemporary X-ray detection demands. This study focuses on exploring the potential of Cu<sup>+</sup>-doped Rb<sub>2</sub>AgI<sub>3</sub> as an effective metal halide (MH) scintillator. One-dimensional (1D) Rb<sub>2</sub>AgI<sub>3</sub> and Cu<sup>+</sup>-doped Rb<sub>2</sub>AgI<sub>3</sub> single crystals (SCs) were synthesized by using the conventional temperature-lowering crystallization method. When excited by UV light, Cu<sup>+</sup>-doped SCs emitted a broad sky-blue light at 490 nm with a high photoluminescence (PL) quantum yield (PLQY) of 76.48%. Remarkably, under X-ray excitation, these Cu<sup>+</sup>-doped SCs demonstrated an outstanding light yield of 36,293 photons MeV<sup>–1</sup>, a relatively low detection threshold of 1.022 μGy<sub>air</sub> s<sup>–1</sup>, and a rapid scintillation decay time of 465 ns. The prepared translucent scintillation film has good uniformity and flexibility, with a high spatial resolution of 10.2 lp mm<sup>–1</sup>. These results position Cu<sup>+</sup>-doped Rb<sub>2</sub>AgI<sub>3</sub> as a leading candidate among promising X-ray scintillators, offering superior scintillation light yield, excellent stability, and nontoxicity.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":null,"pages":null},"PeriodicalIF":3.7000,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsomega.4c04077","citationCount":"0","resultStr":"{\"title\":\"One-Dimensional Copper-Doped Rb2AgI3 with Efficient Sky-Blue Emission as a High-Performance X-ray Scintillator\",\"authors\":\"Jiali Yao, Dan Huang, Xudong Hu, Haiming Cheng, Dayang Wang, Xiaoming Li*, Wensheng Yang* and Renguo Xie*, \",\"doi\":\"10.1021/acsomega.4c04077\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Scintillators have garnered heightened attention for their diverse applications in medical imaging and security inspection. 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Remarkably, under X-ray excitation, these Cu<sup>+</sup>-doped SCs demonstrated an outstanding light yield of 36,293 photons MeV<sup>–1</sup>, a relatively low detection threshold of 1.022 μGy<sub>air</sub> s<sup>–1</sup>, and a rapid scintillation decay time of 465 ns. The prepared translucent scintillation film has good uniformity and flexibility, with a high spatial resolution of 10.2 lp mm<sup>–1</sup>. 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One-Dimensional Copper-Doped Rb2AgI3 with Efficient Sky-Blue Emission as a High-Performance X-ray Scintillator
Scintillators have garnered heightened attention for their diverse applications in medical imaging and security inspection. Nonetheless, commercial scintillators encounter challenges with costly rare-earth metals and toxic elements like thallium (Tl), driving the need for sustainable, cost-effective, and eco-friendly alternatives to meet contemporary X-ray detection demands. This study focuses on exploring the potential of Cu+-doped Rb2AgI3 as an effective metal halide (MH) scintillator. One-dimensional (1D) Rb2AgI3 and Cu+-doped Rb2AgI3 single crystals (SCs) were synthesized by using the conventional temperature-lowering crystallization method. When excited by UV light, Cu+-doped SCs emitted a broad sky-blue light at 490 nm with a high photoluminescence (PL) quantum yield (PLQY) of 76.48%. Remarkably, under X-ray excitation, these Cu+-doped SCs demonstrated an outstanding light yield of 36,293 photons MeV–1, a relatively low detection threshold of 1.022 μGyair s–1, and a rapid scintillation decay time of 465 ns. The prepared translucent scintillation film has good uniformity and flexibility, with a high spatial resolution of 10.2 lp mm–1. These results position Cu+-doped Rb2AgI3 as a leading candidate among promising X-ray scintillators, offering superior scintillation light yield, excellent stability, and nontoxicity.
ACS OmegaChemical Engineering-General Chemical Engineering
CiteScore
6.60
自引率
4.90%
发文量
3945
审稿时长
2.4 months
期刊介绍:
ACS Omega is an open-access global publication for scientific articles that describe new findings in chemistry and interfacing areas of science, without any perceived evaluation of immediate impact.