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Li H, Li Y, Zhang L, Hu E, Zhao D, Guo H, Qian G. A Thermo-Responsive MOFs for X-Ray Scintillator. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2405535. [PMID: 38862407 DOI: 10.1002/adma.202405535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/05/2024] [Indexed: 06/13/2024]
Abstract
Thermo-responsive smart materials have aroused extensive interest due to the particular significance of temperature sensing. Although various photoluminescent materials are explored in thermal detection, it is not applicable enough in X-ray radiation environment where the accuracy and reliability will be influenced. Here, a strategy is proposed by introducing the concept of radio-luminescent functional building units (RBUs) to construct thermo-responsive lanthanide metal-organic frameworks (Ln-MOFs) scintillators for self-calibrating thermometry. The rational designs of RBUs (including organic ligand and Tb3+/Eu3+) with appropriate energy levels lead to high-performance radio-luminescence. Ln-MOFs scintillators exhibit perfect linear response to X-ray, presenting low dose rate detection limit (min ≈156.1 nGyairs-1). Self-calibrating detection based on ratiometric XEL intensities is achieved with good absolute and relative sensitivities of 6.74 and 8.1%K-1, respectively. High relative light yield (max ≈39000 photons MeV-1), imaging spatial resolution (max ≈18 lp mm-1), irradiation stability (intensity ≈100% at 368 K in total dose up to 215 Gyair), and giant color transformation visualization benefit the applications, especially the in situ thermo-responsive X-ray imaging. Such strategy provides a promising way to develop the novel smart photonic materials with excellent scintillator performances.
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Affiliation(s)
- Hongjun Li
- Department of Physics, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Yi Li
- Department of Physics, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Lin Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Enlai Hu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Dian Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Hai Guo
- Department of Physics, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Guodong Qian
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, School of Materials Science & Engineering, Zhejiang University, Hangzhou, 310027, China
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Zeng T, Liu P, Zeng G, Yu X, Liu H, Zhu X, Huang W, Wang G, Hou L, Zhu M, Fang Y, Wang T. Crystal Field-Engineered Cr 3+-Doped Gd 3(Mg xGa 5-2xGe x)O 12 Phosphors for Near-Infrared LEDs and X-ray Imaging Applications. Inorg Chem 2024; 63:12886-12893. [PMID: 38950326 DOI: 10.1021/acs.inorgchem.4c01417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Inorganic materials doped with chromium (Cr) ions generate remarkable and adjustable broadband near-infrared (NIR) light, offering promising applications in the fields of imaging and night vision technology. However, achieving high efficiency and thermal stability in these broadband NIR phosphors poses a significant challenge for their practical application. Here, we employ crystal field engineering to modulate the NIR characteristics of Cr3+-doped Gd3Ga5O12 (GGG). The Gd3MgxGa5-2xGexO12 (GMGG):7.5% Cr3+ (x = 0, 0.05, 0.15, 0.20, and 0.40) phosphors with NIR emission are developed through the cosubstitution of Mg2+ and Ge4+ for Ga3+ sites. This cosubstitution strategy also effectively reduces the crystal field strength around Cr3+ ions, which results in a significant enhancement of the photoluminescence (PL) full width at half-maximum (fwhm) from 97 to 165 nm, alongside a red shift in the PL peak and an enhancement of the PL intensity up to 2.3 times. Notably, the thermal stability of the PL behaviors is also improved. The developed phosphors demonstrate significant potential in biological tissue penetration and night vision, as well as an exceptional scintillation performance for NIR scintillator imaging. This research paves a new perspective on the development of high-performance NIR technology in light-emitting diodes (LEDs) and X-ray imaging applications.
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Affiliation(s)
- Tianlong Zeng
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Ping Liu
- Department of Gynecology and Obstetrics, West China Second University Hospital of Sichuan University, Chengdu, Sichuan 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan 610041, China
| | - Guoqiang Zeng
- The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Xue Yu
- School of Mechanical Engineering, Institute for Advanced Materials, Chengdu University, Chengdu 610106, China
| | - Haozhe Liu
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Xuanyu Zhu
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Wenlong Huang
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Guohao Wang
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Lihui Hou
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Mengyu Zhu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Yongzheng Fang
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Ting Wang
- College of Materials and Chemistry & Chemical Engineering, The College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
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Hao X, Nie L, Zhu X, Zeng G, Liu C, Teng Z, Liu H, Yue Y, Yu X, Wang T. High-Resolution X-ray Image from Copper-Based Perovskite Hybrid Polymer. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29210-29216. [PMID: 38770774 DOI: 10.1021/acsami.4c03401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Cs3Cu2I5 nanocrystals (NCs) are considered to be promising materials due to their high photoluminescence efficiency, lack of lead toxicity, and X-ray responsiveness. However, during the crystallization process, NCs are prone to agglomeration and exhibit uneven size distribution, resulting in several light scattering that severely affect their imaging resolution. Herein, we successfully developed a high-resolution scintillator film by growing copper-based perovskite NCs within a hybrid polymer matrix. By leveraging the ingenious integration of polyvinylidene fluoride (PVDF) and polymethyl methacrylate (PMMA), the size and distribution uniformity of Cs3Cu2I5 NCs can be effectively controlled. Consequently, a high spatial resolution of 14.3 lp mm-1 and a low detection limit of 105 nGy s-1 are achieved, and the scintillator film has excellent flexibility and stability. These results highlight the promising application of Cs3Cu2I5 scintillator films in low-cost, flexible, and high-performance medical imaging.
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Affiliation(s)
- Xue Hao
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Lin Nie
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Xuanyu Zhu
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Guoqiang Zeng
- Nuclear Technology Key Laboratory of Earth Science, Chengdu University of Technology, Chengdu 610059, China
| | - Chunhai Liu
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Zhaowei Teng
- Second Affiliated Hospital, Kunming Medical University, Kunming 650500, China
| | - Haozhe Liu
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Yang Yue
- School of Mechanical Engineering, Institute for Advanced Materials, Deformation and Damage from Multi-Scale, Chengdu University, Chengdu 610106, China
| | - Xue Yu
- School of Mechanical Engineering, Institute for Advanced Materials, Deformation and Damage from Multi-Scale, Chengdu University, Chengdu 610106, China
| | - Ting Wang
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
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Kang L, Wang S, Xu Q, Wu J, Wu Y, Huang L, Chen Q, Lin Z. Passivation of Organic-Inorganic Hybrid Perovskite with Poly(lactic Acid) to Achieve Stable Red-Light Flexible Films. Inorg Chem 2024; 63:7053-7062. [PMID: 38575504 DOI: 10.1021/acs.inorgchem.4c00693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Low-dimensional organic-inorganic hybrid perovskites (OIHPs) have shown significant potential in the optoelectronic field due to their adjustable structure and properties. However, the poor air stability and flexibility of the OIHP crystals limit their further development. Herein, three OIHP crystals have been synthesized using cadmium chloride and the isomer of phenylenediamine as raw materials. Mn2+ doping turns on the red-light emission of Cd-based OIHPs at around 625 nm. Interestingly, the organic ligands with different steric hindrance can induce a transition of the OIHP structure from two dimensions (2D) to one dimension (1D), thereby regulating the quantum yield of red luminescence in the range of 38.4% to nearly 100%. It is found that the surface-exposed amino groups are easy to oxidize, resulting in the instability of these OIHP crystals. Therefore, poly(lactic acid) (PLA) is selected to passivate OIHPs through hydrogen bonding between C═O of PLA and -NH2 on the surface of OIHPs. As a result, the production of OIHP-based flexible films with highly efficient and stable red emission can be obtained after being encapsulated by PLA. They demonstrate enormous application potential in flexible X-ray imaging. This study not only realizes stable perovskite films but also provides an effective design idea for red flexible scintillators.
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Affiliation(s)
- Liwen Kang
- Fujian Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
| | - Shuaiqi Wang
- Fujian Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
| | - Qiaohong Xu
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Junyan Wu
- Fujian Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
| | - Yuechuan Wu
- Fujian Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
| | - Limei Huang
- Fujian Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
| | - Qiushui Chen
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Zhenghuan Lin
- Fujian Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
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Xiang W, Shen D, Zhang X, Li X, Liu Y, Zhang Y. Transparent and Planar Cs 3Cu 2Cl 5 Crystals for Micrometer-Resolution X-ray Imaging Screen. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4918-4924. [PMID: 38237115 DOI: 10.1021/acsami.3c15764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Copper-based (I) halide perovskites have emerged as a promising candidate for scintillation screens in X-ray inspection and imaging areas due to their solution processability and high light yield. Here, a centimeter-sized Cs3Cu2Cl5 single crystal was grown by a slow-cooling method. The planar orientation was controlled in a space-confined chamber, generating a planar crystal which is readily used for a scintillation screen without any further shaping. The crystal exhibited a unity photoluminescence quantum yield and superior scintillation performance. The Cs3Cu2Cl5 single crystal exhibited a high light yield up to 95,000 photons/MeV, which enabled an X-ray detector of a detection limit down to 2.7 μGyair/s. The homemade imager demonstrated a spatial resolution of 105 lp/mm, representing an unprecedented micrometer resolution in laboratory. Importantly, the stability of Cs3Cu2Cl5 was significantly improved by a new surface passivation procedure, whereby the passivated crystal reserved its phase after 6 months' storage in a vial. This work introduced a new solution-based synthetic method for two-dimensional scintillating crystals, opening many avenues to high-performance X-ray imaging applications.
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Affiliation(s)
- Weijia Xiang
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, P. R. China
| | - Depeng Shen
- Shandong Institute of Mechanical Design and Research, School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, China
| | - Xiangzhou Zhang
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, P. R. China
| | - Xiuling Li
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, P. R. China
| | - Yeqi Liu
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, P. R. China
| | - Yuhai Zhang
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, P. R. China
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