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Dual-Mode Thermal Indicator for Cold-Chain Logistics Using Multipiezo Li0.12Na0.88NbO3:Pr3+
2025 / Advanced Optical MaterialsEffective cold-chain monitoring is crucial for safeguarding vaccine quality and efficacy, particularly under harsh sub-zero conditions. However, conventional temperature monitoring frequently encounters challenges, including limited operational performance at low temperatures, narrow tracking windows, susceptibility to photobleaching, and poor reproducibility, seve...
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Cation-self-shielding strategy promises high-voltage all-Prussian-blue-based aqueous K-ion batteries
2025 / Nature CommunicationsPrussian blue analogues (PBAs) are promising electrode candidates for aqueous batteries because the inevitable interstitial water is generally thought to have little impact on battery performance. Currently, mounting researches have focused on optimizing PBA properties by varying transition metal composition, but less attention has been paid to interstitial water...
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Unveiling the Capacity Boosting Mechanism of the MoS2 Electrode by Focusing on the Under Potential Deposition in All-Solid-State Batteries Prepared by One-Pot One-Step Liquid Phase Mixing
2025 / Advanced Sustainable SystemsMolybdenum disulfide (MoS2) is a high theoretical capacity (670 mAh g−1) electrode material. However, several researchers report that rechargeable batteries using MoS2 often exhibit a discharge capacity of 1000 mAh g−1 that exceeds the theoretical discharge capacity. Although various speculations are proposed, only a limited number of reports have provi...
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Carbon fibre production using an ecofriendly water-soluble precursor
2025 / Nature CommunicationsCarbon fibre (CF) is a lightweight next-generation material with numerous applications. CF production is predominantly based on the polyacrylonitrile (PAN) precursor because of the high tensile strength of PAN-based CFs (PAN-CFs). However, expensive and toxic organic solvents are required for PAN-CF production. Moreover, the corresponding thermal stabilisation pr...
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Flash-Thermal Reduction of Graphene Oxide with Flexible Electronics Platform for Highly Sensitive Wearable Temperature Sensor
2025 / Advanced Eletronic MaterialsAccurate and continuous temperature monitoring is essential for effective diagnosis and management of health conditions, particularly amid global challenges such as the COVID-19 pandemic and the rising prevalence of age-related diseases and cancer. However, conventional temperature measuring devices suffer from inherent limitations, including rigidity, bulkiness, a...
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Advancing Molten Alkali Borate Sorbents for High-Temperature Carbon Capture by Structural Elucidation of the Ionic-Oxide Reaction Mechanism
2025 / Advanced Sustainable SystemsThe structural complexity of alkali borates, evident in the wide range of distinct structures that typically comprise these compounds, is responsible for the significant differences observed in the physicochemical properties of their corresponding melts. In this work, the structural transformations arising from carbon capture using molten lithium-sodium orthoborate...
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Temperature Dependence of Photocatalytic Water Splitting under Visible Light Irradiation over Ir- and Sb-Codoped SrTiO3:Al
2025 / The Journal of Physical Chemistry CTemperature dependence of photocatalytic water splitting over CrOx/Rh and CoOOH cocatalyst-coloaded SrTiO3:Al codoped with Ir and Sb single-particulate photocatalysts (CrOx/Rh/SrTiO3:Ir,Sb,Al/CoOOH) under visible light irradiation was investigated. When the reaction temperature was increased from 280 to 340 K, the activity became low, and degradation became signifi...
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In Vitro Modeling of Atherosclerosis Using iPSC-Derived Blood Vessel Organoids
2024 / Advanced Healthcare MaterialsAs modeling of atherosclerosis requires recapitulating complex interactions with vasculature and immune cells, previous in vitro models have limitations due to their insufficient 3D vascular structures. However, induced pluripotent stem cell-derived blood vessel organoids (BVOs) are applicable for modeling vascular diseases, containing multiple cell types, includ...
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Highly Sensitive and Stable In Situ Acetylene Detection in Transformer Oil Using Polyimide-Embedded Carbon Nanotubes
2024 / Advanced MaterialsThis study presents an acetylene gas sensor capable of in situ monitoring transformer oils. This sensor utilizes carbon nanotubes (CNTs) embedded in polyimide (PI) synthesized by floating catalyst chemical vapor deposition. Unlike conventional sensors that target hydrocarbon gases dissolved in oil and measure the gas extracted from the oil, the proposed CNT-PI se...
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Various Applications of Gadolinium Molybdate Down-Conversion and Up-Conversion Fluorescent Nanoparticles
2024 / Advanced Optical MaterialsCrystalline α-Gd2(MoO4)3 is synthesized by sintering at 800 °C using a coprecipitation method to prepare the precursor. The resulting α-Gd2(MoO4)3 displayed a monocrystalline structure with a strong main peak (-221) in the X-ray diffraction signal. To develop a light-emitting material, rare earth ions are added during synthesis. By doping with Tb3...
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Combinatorial composition-gradient and -aligned CsPb(Br1−xIx)3 films by IR-laser MBE
2024 / Journal of Applied PhysicsWe investigated the combinatorial synthesis and characterization of a halide perovskite CsPb(Br1−xIx)3 composition-gradient film deposited on a SrTiO3(001) substrate using infrared laser molecular beam epitaxy. In halide perovskite materials, the diffusion speed of the halogen ions is high, making it difficult to form a continuous composition-gradient film....
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Conformational isomerism breaks the electrolyte solubility limit and stabilizes 4.9 V Ni-rich layered cathodes
2024 / Nature CommunicationsBy simply increasing the concentration of electrolytes, both aqueous and non-aqueous batteries deliver technical superiority in various properties such as high-voltage operation, electrode stability and safety performance. However, the development of this strategy has encountered a bottleneck due to the limitation of the intrinsic solubility, and its comprehensiv...
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Spider Silk: Rapid, Bottom-Up Self-Assembly of MaSp1 into Hierarchically Structured Fibers Through Biomimetic Processing
2024 / Advanced Functional MaterialsSpider dragline silk’s exceptional mechanical performance, coupled with its benign production pathway, have inspired the design of diverse smart materials. Remarkably, relatively little is known about the self-assembly process of major ampullate spidroin 1 (MaSp1) – the main protein constituent of dragline fiber – during its rapid conversion from ...
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Understanding soil factors in corrosion and conservation of buried bronze statuettes: insights for preservation strategies
2024 / Scientific ReportsThe findings reveal that soil constituents significantly affect the corrosion process. Moisture content and pH promote the formation of corrosion products, while high chloride concentrations accelerate corrosion. Conversely, high organic matter content inhibits corrosion by limiting oxygen diffusion to the metal surface. The effectiveness of conservation treatmen...
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Reactivity of Sulfur Vacancy-Rich MoS2 to Water Dissociation
2024 / The Journal of Physical Chemistry CExposed Mo atoms on the surface of MoS2 can catalyze certain useful chemical reactions, including the dissociation of water to produce hydrogen. However, a comprehensive understanding of water reactivity on defective MoS2 surfaces remains elusive. Here, we use in situ near ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) to investigate water dissociation...
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