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Article
Chemistry, Multidisciplinary
Xinquan Zhou et al.
Summary: A new generation X-ray storage phosphor material, CsCdCl3:Mn2+, Zr4+, was designed and synthesized with improved performance by manipulating Mn2+ site occupation and heterovalent substitution. This material exhibited zero-thermal-quenching radioluminescence and anti-TQ X-ray-activated persistent luminescence, achieving high storage capacities and high-resolution X-ray imaging.
ADVANCED MATERIALS
(2023)
Article
Engineering, Environmental
Mei-Juan Xie et al.
Summary: High-performance and low-cost X-ray detectors are essential for medical imaging, nondestructive industrial detection, and security checks. Semiconductive coordination polymers (CPs) have recently emerged as promising materials in direct X-ray detection due to their designable structures, tunable properties, and high cost-effectiveness. However, most CPs exhibit relatively insufficient exciton dissociation, resulting in low photocurrent output and detection sensitivity, due to the strong Coulomb interactions between photogenerated electrons and holes.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Optics
Kai Han et al.
Summary: A design method is established by considering charge-transfer and recombination efficiencies in doped MHPs materials, improving the luminescence performance of MHP scintillators. Alloying Te4+ into Cs2ZrCl6 significantly enhances scintillation performance, including increased light yield and detection limit, as well as high-resolution X-ray imaging capabilities.
LASER & PHOTONICS REVIEWS
(2023)
Article
Chemistry, Multidisciplinary
Jian Lu et al.
Summary: Two zero-dimensional organic-manganese(II) halide coordination complexes, 1-Cl and 2-Br, were synthesized to improve X-ray scintillation. The introduction of a polarized phosphine oxide increased the stabilities, particularly the self-absorption-free merits, of these Mn-based hybrids. The X-ray dosage rate detection limits for 1-Cl and 2-Br reached 3.90 and 0.81 mu Gyair/s, respectively, surpassing the medical diagnostic standard of 5.50 mu Gyair/s. The fabricated scintillation films demonstrated high spatial resolutions of 8.0 and 10.0 lp/mm, respectively, making them promising for use in diagnostic X-ray medical imaging.
Article
Chemistry, Multidisciplinary
Bao-Yi Li et al.
Summary: This study reveals a one-dimensional conductive transmission path for direct X-ray detection from the perspective of structural chemistry. The semiconductor copper-based coordination polymer 1 single crystal detector exhibits superior sensitivity and low detection limit along the 1D pi-pi stacking direction. This research provides beneficial guidance and deep insight for designing high-performance CP-based X-ray detectors.
Article
Chemistry, Multidisciplinary
Yalun Xu et al.
Summary: Chalcogenide-based semiconductors have the potential to be excellent candidates for optoelectronics due to their low-cost processability, chemical versatility, and tuneable optoelectronic properties. However, their use in photodetection has been limited due to complicated charge transport associated with trap states. By modulating the charge carrier dynamics and employing a filterless, charge collection narrowing strategy, narrowband photodetectors based on chalcogenides have been developed. These devices exhibit extremely fast response times, low dark current and noise, large linear dynamic range, and tunable spectral discrimination from UV to NIR, making them highly promising for imaging and communication applications.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Engineering, Environmental
Wen-Fei Wang et al.
Summary: In this study, a scintillating 1D metal-organic framework was synthesized by a low-cost and short-cycle solvothermal process. The material showed sensitive and steady X-ray response, excellent linearity to X-ray dose rates, and relatively high spatial resolution in X-ray imaging applications.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Wenbo Ma et al.
Summary: X-ray detection relies on inorganic scintillators, but using thermally activated delayed fluorescence molecules as scintillators can significantly increase efficiency and imaging quality, showing the importance of efficient harvesting of triplet excitons under X-ray excitation.
Review
Optics
Yihui He et al.
Summary: The emergence of metal halide perovskites provides new hope for detecting high-energy radiation with semiconductors. These materials combine exceptional optoelectronic properties, versatile chemistry, and simple synthesis methods, challenging traditional approaches in semiconductor development.
Review
Optics
Shuangyi Zhao et al.
Summary: This review provides an overview of inorganic halide perovskites (IHPs) as white light-emitting diodes (WLEDs) for lighting applications. It discusses the generation of luminescence and white light in IHPs, and synthetically analyzes the photoluminescence and electro-luminescence WLEDs with IHPs emitters. The optical performance enhancement of IHPs in WLEDs is demonstrated, and the potential of visible light communication based on IHPs is highlighted. The review concludes with perspectives on the evolution and challenges of IHPs and an outlook on their future development.
PHOTONICS RESEARCH
(2022)
Editorial Material
Chemistry, Physical
Yang Zhou et al.
Summary: Flexible copper halide films with outstanding mechanical stability, excellent film uniformity, nearly 100% photo-luminescence quantum yields, and resistance to water and heat were fabricated. Scintillators based on these films exhibit superior scintillation performance with a detection limit as low as 48.6 nGy/s and 17 lp/mm X-ray imaging resolution, representing the highest imaging resolution for powder-based screens.
ACS ENERGY LETTERS
(2022)
Article
Optics
Baiqian Wang et al.
Summary: Metal halide perovskite-based high-performance X-ray scintillator is considered a promising candidate in medicine, industry, and science. However, the stability of current perovskite-based X-ray scintillators is a limiting factor for their widespread use. In this study, a template assembled method is used to prepare large-size, flexible, and stable CsPbBr3@Polymethyl methacrylate composite films, and their detection performance is investigated.
LASER & PHOTONICS REVIEWS
(2022)
Article
Materials Science, Multidisciplinary
Atanu Jana et al.
Summary: Halide perovskites are promising materials in various applications such as solar energy, optoelectronics, and medical imaging. With their excellent performance and low cost, halide perovskites could potentially replace traditional materials and play a significant role in high-energy radiation detection.
Article
Materials Science, Multidisciplinary
Bohan Li et al.
Summary: This study demonstrates the fabrication of a large transparent medium with high transparency and scintillation performance using a simple melt-quenching strategy, which shows potential for medical and industrial X-ray imaging applications.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Ming Li et al.
Summary: In this study, a new type of chiral scintillator that displays circularly polarized radioluminescence (CPRL) was discovered. These compounds exhibit high quantum yield and luminescence dissymmetric factors, as well as high X-ray absorption coefficients. The assembly of polarized scintillator crystals provides a new strategy to enhance X-ray imaging quality by controlling the radioluminescence propagation.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Binxia Jia et al.
Summary: In this study, an airflow-controlled solvent evaporation system was designed to grow a large-sized two-dimensional metal halide perovskite single crystal. The single crystal exhibited excellent luminescent properties and fast response time under X-ray irradiation, meeting the requirements for high-speed X-ray imaging. By integrating the perovskite single crystal into an X-ray imager, a high spatial resolution was achieved, demonstrating its potential application in nondestructive medical diagnosis.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Fei Zhang et al.
Summary: This study demonstrates a large-scale and cost-efficient solution synthesis method for vacancy-ordered double perovskite Cs2ZrCl6, which exhibits thermal activation delayed fluorescence (TADF) under X-ray irradiation. Flexible X-ray scintillator screens with excellent scintillation properties and high-quality imaging results are prepared using this material.
ADVANCED MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Jian-Xin Wang et al.
Summary: Aggregation-induced emission luminogens (AIEgens) have great potential in biomedical imaging and optical wireless communication due to their tight molecular packing and highly restricted vibrational motions.
ACS MATERIALS LETTERS
(2022)
Article
Materials Science, Multidisciplinary
Jiali Peng et al.
Summary: Metal-halide perovskites have great potential as next-generation X-ray detectors due to their low cost, processability, and tunable optoelectronic properties. Researchers have developed a ion-exchange strategy to fabricate two-dimensional (2D)-3D perovskite thick films for X-ray detection, achieving high sensitivity and low detection limit.
Review
Chemistry, Physical
Xiao-Ke Liu et al.
Summary: Perovskite emitters have shown promising optoelectronic properties suitable for light-emitting applications, with rapid progress in the development of PeLEDs reaching external quantum efficiencies of over 20%. The key focus is on improving the performance, stability, and reducing toxicity hazards of PeLEDs.
Article
Nanoscience & Nanotechnology
Zhaoming Wang et al.
Summary: This study prepared perovskite nano-crystal-polymethyl methacrylate (PNC-PMMA) films with red and yellow emission for use as broad-band color converters in visible light communication (VLC). The method was able to generate a qualified warm white light with high bandwidth and quality.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Muyi Zhang et al.
Summary: The all-inorganic lead-free halides Cs-Cu-I system, consisting of Cs3Cu2I5 and CsCu2I3, has been attracting attention for their good photophysical characteristics, with potential applications in light-emitting devices. This study focuses on the CsCu2I3 compound and its use in X-ray scintillator detectors, leveraging its one-dimensional crystal structure, congruent-melting feature, and high spectral matching to photosensors. By utilizing an oriented nanorod structure and novel fabrication techniques, a CsCu2I3 detector achieved high spatial resolution of 7.5 Ip mm(-1) in X-ray imaging.
Article
Optics
Haixing Meng et al.
Summary: This study reports a highly stable manganese(II) complex with a unique coordination mode, showing strong yellow emission and high photoluminescence quantum yield. The complex produces bright yellow emission under low-dose X-ray irradiation, exhibits excellent linear response to X-ray, suitable for X-ray contrast imaging, and demonstrates good radiation hardness, humidity resistance, and heat stability, indicating broad application potential.
LASER & PHOTONICS REVIEWS
(2021)
Review
Chemistry, Physical
Shuangyi Zhao et al.
Summary: Due to their nontoxicity, stability, and unique optoelectronic properties, all-inorganic lead-free halide semiconductors with perovskite and perovskite-like structures have emerged as promising optoelectronic materials for various applications, with a focus on the enhanced performances of ILFP single crystals compared to low dimensional and polycrystalline ILFP materials.
Review
Multidisciplinary Sciences
Xiangyu Ou et al.
Summary: X-ray imaging technology is a low-cost, powerful technology widely used in medical diagnosis and industrial inspection, with rapid development and various applications in different fields over the past few decades. Future research directions and challenges mainly focus on developing next-generation materials for the fabrication of flexible, low-dose, high-resolution X-ray imaging detectors.
Article
Materials Science, Multidisciplinary
Shuangyi Zhao et al.
Summary: The sol-gel reaction using tetraethoxysilane (TEOS) as a coating precursor for Cs3Cu2Cl5@SiOx NCs enhances their stability and photoluminescence quantum yield, leading to the fabrication of high-quality warm white light-emitting diodes. Additionally, the good white light emission enables potential applications in visible light communication.
ADVANCED OPTICAL MATERIALS
(2021)
Article
Engineering, Electrical & Electronic
Lei Zhang et al.
Summary: Digitally programmable metasurfaces can be used for wireless communication to implement both space- and frequency-division multiplexing, encoding messages through multiple channels to transmit directly to different users at different locations simultaneously without the need for digital-to-analogue conversion and mixing processes. Using a dual-channel wireless communication system based on a two-bit space-time-coding digital metasurface, two different pictures were transmitted to two users simultaneously in real time.
NATURE ELECTRONICS
(2021)
Article
Engineering, Environmental
Xianwen Li et al.
Summary: In this study, stable DDAB-capped CsPbBr3 QDs coated with silica were prepared using a simple method, leading to improved PLQY and stability. These QDs were then applied in high-performance WLEDs, demonstrating excellent luminescent performance and potential for visible light communication.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Optics
Binhai Yu et al.
Summary: Lead halide perovskite quantum dots display remarkable photoelectric performance, but their development in solid-state light applications is limited by weak stability in air and water. Centrifugal spinning was used to fabricate stable luminous CsPbBr3 PQD nanofibers, which showed high stability in water and promising performance for solid-state light and visible light communication applications, demonstrating potential for practical applications.
PHOTONICS RESEARCH
(2021)
Review
Materials Science, Multidisciplinary
Haodi Wu et al.
Summary: This review discusses the excellent X-ray detection performance of metal halide perovskites and their future prospects, covering topics such as X-ray interaction with materials, scalable fabrication methods, recent device performance, integration with readout integrated circuits, and techniques to minimize cross-talk and improve spatial resolution in flat panel detectors. The paper also provides cautions for evaluating detector performance and suggestions for further enhancing performance.
Article
Materials Science, Multidisciplinary
Tielyr D. Creason et al.
ADVANCED OPTICAL MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Zhishan Luo et al.
Article
Chemistry, Multidisciplinary
Hanzhou Liu et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Physical
Linyuan Lian et al.
CHEMISTRY OF MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Linyuan Lian et al.
Article
Optics
Wenjuan Zhu et al.
LIGHT-SCIENCE & APPLICATIONS
(2020)
Article
Multidisciplinary Sciences
Liang-Jin Xu et al.
NATURE COMMUNICATIONS
(2020)
Article
Optics
Qingsong Shan et al.
LIGHT-SCIENCE & APPLICATIONS
(2020)
Review
Chemistry, Physical
Faguang Zhou et al.
Article
Engineering, Electrical & Electronic
Chunxiong Bao et al.
NATURE ELECTRONICS
(2020)
Article
Chemistry, Physical
Shunran Li et al.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2019)
Article
Chemistry, Multidisciplinary
Bo Yang et al.
ADVANCED MATERIALS
(2019)
Article
Chemistry, Physical
Paz Sebastia-Luna et al.
CHEMISTRY OF MATERIALS
(2019)
Article
Optics
Chun Hong Kang et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
