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Single Organic CationEngineeringCu(I)-Based Ionic andCoordinate TypeHalides asHigh-EfficiencyHydrogel Scintillator Li TianruiTang BaolingJin Jiance2025 год

Single Organic Cation Engineering Cu(I)-Based Ionic and Coordinate Type Halides as High-Efficiency Hydrogel Scintillator : научное издание
статья из журнала

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Библиографическое описание: Single Organic Cation Engineering Cu(I)-Based Ionic and Coordinate Type Halides as High-Efficiency Hydrogel Scintillator : научное издание / T. Li [et al.]. - Текст : непосредственный // Advanced Materials. - 2025. - Т.37, №42. - P. e09478. - ISSN 0935-9648. - ISSN 1521-4095, DOI 10.1002/adma.202509478.
Аннотация: <jats:title>Abstract</jats:title> <jats:p> Cu(I)-based halide scintillators are promising candidates for X-ray detection due to excellent scintillation and low-cost solution processability. However, the rational design of Cu(I)-based halide scintillators remains challenging due to insufficient theoretical frameworks elucidating their structure-property correlations. In this work, two Cu(I)-based hybrid metal halides, Cu <jats:sub>2</jats:sub> I <jats:sub>4</jats:sub> -IC (Ionic compound) are designed and Cu <jats:sub>4</jats:sub> I <jats:sub>4</jats:sub> -CC (Coordination compound) via bonding mode control engineering. The Cu <jats:sub>2</jats:sub> I <jats:sub>4</jats:sub> -IC exhibits blue emission, and the Cu <jats:sub>4</jats:sub> I <jats:sub>4</jats:sub> -CC exhibits yellow emission, and the photoluminescence quantum yield (PLQY) of Cu <jats:sub>2</jats:sub> I <jats:sub>4</jats:sub> -IC and Cu <jats:sub>2</jats:sub> I <jats:sub>4</jats:sub> -IC are 91% and 100% respectively. The non-radiative transitions are reduced due to the high rigidity of Cu <jats:sub>4</jats:sub> I <jats:sub>4</jats:sub>, resulting in a light yield up to 67 500 photons MeV <jats:sup>−1</jats:sup> and a detection limit as low as 47.3 nGy s <jats:sup>−1</jats:sup> of Cu <jats:sub>4</jats:sub> I <jats:sub>4</jats:sub> -CC. Additionally, a high-performance scintillator hydrogel based on Cu <jats:sub>4</jats:sub> I <jats:sub>4</jats:sub> -CC with polyvinyl alcohol (PVA),H <jats:sub>2</jats:sub> O and dimethyl sulfoxide (DMSO) is innovatively developed. Owing to the high transmittance, the large-area scintillator hydrogel film (10 × 10 cm <jats:sup>2</jats:sup> ) achieves an X-ray imaging resolution of 14 lp mm <jats:sup>−1</jats:sup>. Furthermore, the synergistic effects of hydrogen bonding and coordination bonding endow the hydrogel scintillator with excellent plasticity and flexible stretchability. The Cu <jats:sub>4</jats:sub> I <jats:sub>4</jats:sub> -CC@PVA hydrogel proves promising for X-ray imaging with excellent stability in harsh environments, matching state-of-the-art scintillators. </jats:p>
Год издания: 2025
Авторы: Li Tianrui , Tang Baoling , Jin Jiance , Han Kai , Zhang Haoran , Zhao Hailian , Zhang Xuejie , Molokeev Maxim , Wang Yuzhen , Xia Zhiguo , Lei Bingfu
Издательство: VCH Verlag GmbH & CO. KGaA
Источник: Advanced Materials
Выпуск: Т.37, №42
Номера страниц: 09478
Держатель оригинала документа: International Research Center of Spectroscopy and Quantum Chemistry - IRC SQC Siberian Federal University Krasnoyarsk 660041 Russia, Key Laboratory for Biobased Materials and Energy of Ministry of Education College of Materials and Energy South China Agricultural University Guangzhou 510642 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 510641 P. R. China
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