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Found 1,184 Results / Page 4 of 79
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Nanocellulose-Derived Hierarchical Carbon Framework-Supported P-Doped MoO2 Nanoparticles for Optimizing Redox Kinetics in Lithium–Sulfur Batteries
2025 / Advanced MaterialsThe integration of nanocatalysts into the separators of lithium–sulfur batteries (LSBs) boosts the polysulfide conversion efficiency. However, the aggregation of catalyst nanoparticles diminishes the active surface area. Moreover, densely packed catalyst-modified layers often hinder ion transport rates and impede access to the catalytic sites. To overcome t...
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Light-Dynamic Chirality Inversion of Circularly Polarized Organic Ultralong Room-Temperature Phosphorescence Enabled by Soft Helical Superstructure
2025 / Advanced Optical MaterialsDynamic and reversible manipulation of circularly polarized luminescence (CPL) in soft materials is highly desirable for advanced chiroptical devices, information encryption, and labeling technology. However, this remains a formidable challenge in circularly polarized organic ultralong room-temperature phosphorescence (CP-OURTP) materials. Herein, a bilayered chi...
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Targeted Imaging of Estrogen Receptor-Positive Cancer Cells Using Fluorescent Estradiol Probes
2025 / Advanced Optical MaterialsBreast cancer remains the second most common cause of cancer-related deaths in women worldwide, with ≈70% of cases linked to the overexpression of Estrogen Receptor (ERα). Existing imaging tools often fail to reliably differentiate between ER-positive and ER-negative cancer cells. To address this limitation, two novel fluorescent probes, E2N and E2R, ...
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Waveguide Microactuators Self-Rolled Around an Optical Fiber Taper
2025 / Advanced MaterialsPrecisely capturing and manipulating microscale objects, such as individual cells and microorganisms, is fundamental to advancements in biomedical research and microrobotics. Photoactuators based on optical fibers serving as flexible, unobstructed waveguides are well-suited for these operations, particularly in confined locations where free-space illumination is ...
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Improving Cyclability and Structural Stability of Co-Free Layered Cathode by Controlling Porosity and Cracks in Secondary Particles for Low-Cost and High-Energy LIBs
2025 / Advanced Functional MaterialsThe Co-free Li[Ni0.75Mn0.25]O2 (NM7525) cathode offers the significant advantage of low production costs. However, it requires a high-voltage charging process (≥4.5 V vs Li/Li⁺) to achieve the energy density level of high-Ni Li[NixCoyMnz]O2 (x ≥ 0.8) cathodes, which leads to severe structural and morphological degradation in the secondary particles during p...
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Magnetic Field Driven Ceria Nanosystems for Mitochondria Targeted Therapy of Ischemic Stroke
2025 / Advanced Functional MaterialsNanomedicine based brain targeting strategies have emerged as a promising avenue for ischemic stroke (IS) treatment. However, conventional targeting approaches face significant challenges in manipulating biodistribution and achieving efficient brain targeting to attain adequate therapeutic effects. Here, this limitation is overcame by developing a magnetic field ...
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Exploring the Origin of White Emission in TAPC: Electron Transport Layer Based Exciplex Devices
2025 / Advanced Optical MaterialsThis study investigated white organic light-emitting diodes (OLEDs) with a single emissive layer and comprising a hole transport material 1,1-Bis[(di-4-tolylamino)phenyl]cyclohexane (TAPC) and two electron transport materials 1,3,5-Tris(1-phenyl-1H-benzimidazol-2-yl)benzene (TPBi) and 1,3,5-tris(3-pyridyl-3-phenyl)benzene (TmPyPB). The devices exhibited unique em...
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Tunable and Responsive Circularly Polarized Luminescence of Self-Organized Cellulose Nanocrystal Chiral Superstructures Loaded with AIE Luminogen
2025 / Advanced Functional MaterialsCircularly polarized luminescence (CPL) holds great potential for next-generation display techniques. However, dynamic, multicolor CPL with high luminescent quantum yield (PLQY) and tunable dissymmetry factor (glum) based on cost-effective, sustainable materials is scarcely attainable. Herein, a straightforward approach is proposed for engineering cellulose nanoc...
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High-Performance Organic Ultralong Room Temperature Phosphorescence Based on Biomass Macrocycle
2025 / Advanced MaterialsThe pursuit of sustainable, high-performance organic ultralong room temperature phosphorescence (OURTP) materials with stimulus-responsive properties presents a significant and enticing yet formidable challenge. Herein, an efficient strategy to confining boric acid-based compounds into biomass macrocycle γ-cyclodextrin through multiple interactions is devel...
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Activating Halogen Circulation Enables Efficient and Stable Wide-Bandgap Mixed-Halide Perovskite Solar Cells
2025 / Advanced MaterialsDeveloping strategies to manage ion-migration-induced phase segregation in wide-bandgap (WBG) perovskites is crucial for achieving high-performance perovskite-silicon tandem solar cells (TSCs). However, maintaining continuous suppression of phase segregation from the film crystallization process to device operation remains a significant challenge. The present stu...
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Cyano-Substituted Distyrylbenzene Derivative for Laser Media: High Solid-State Luminescence and Processabilities by Tert-Butyl Appending Design
2025 / Advanced Optical MaterialsTo create effective organic laser media, it is essential to design molecules with high photoluminescence (PL) quantum efficiency (ΦPL), solubility-processability for facile crystal resonator formation, and structural tunability. Cyano-β-substituted distyrylbenzene (CDSB) is recognized as a potential solid-luminogen but is limited by its quantum efficienc...
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Distinctive Doping Behavior of Conjugated Polymers With Pendant-Side Conjugation for Enhanced Thermoelectric Properties
2025 / Advanced Functional MaterialsOrganic thermoelectric (OTE) materials are continuously evolving through the development of novel conjugated polymers and corresponding doping methods. FeCl3 doping is the most commonly used method because of its affordability and strong oxidizing power. However, at high dopant concentrations, FeCl3 interferes with the molecular ordering and negatively impacts on...
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Homogeneously Blended Donor and Acceptor AgBiS2 Nanocrystal Inks Enable High-Performance Eco-Friendly Solar Cells with Enhanced Carrier Diffusion Length
2025 / Advanced Energy MaterialsColloidal semiconductor nanocrystals (NCs) have garnered significant attention as promising photovoltaic materials due to their tunable optoelectronic properties enabled by surface chemistry. Among them, AgBiS2 NCs stand out as an attractive candidate for solar cell applications due to their environmentally friendly composition, high absorption coefficients, and ...
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Chemical Substitution-Driven Design of a High-Performance Noncentrosymmetric Bismuth Molybdenum Selenite
2025 / Advanced Optical MaterialsThe hydrothermal synthesis and characterization of a novel bismuth molybdenum selenite material, Bi2F2(MoO3)2(SeO3)2·H2O, designed using a chemical substitution-based approach, is reported. This material represents the first example of its kind in the Bi–Mo–Se system, providing new insights into noncentrosymmetric (NCS) crystal engineering. The...
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Nucleation-Controlled Crystallization of Chiral 2D Perovskite Single Crystal Thin Films for High-Sensitivity Circularly Polarized Light Detection
2025 / Advanced Materials2D Dion−Jacobson (DJ) chiral perovskite materials exhibit significant promise for developing high-performance circularly polarized light (CPL) photodetectors. However, the inherently thick nature of DJ-phase 2D perovskite single crystal limits their ability to differentiate CPL photons with the two opposite polarization states. In addition, the growth of DJ...
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