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Prussian blue analogues (PBAs) have emerged as highly promising cathode materials for sodium‐ion batteries (SIBs) due to their affordability, facile synthesis, porous framework, and high theoretical capacity. Despite their considerable potential, practical applications of PBAs face significant challenges that limit their performance. This review offers a comprehensive retrospective analysis of PBAs'...
Inverted perovskite solar cells (PSCs) are considered as the most promising avenue for the commercialization of PSCs due to their potential inherent stability. However, suboptimal interface contacts between electron transport layer (ETL) (such as C60) and the perovskite absorbing layer within inverted PSCs always result in reduced efficiency and poor stability. Herein, a surface state manipulation...
Tumor heterogeneity remains a significant obstacle in cancer therapy due to diverse cells with varying treatment responses. Cancer stem‐like cells (CSCs) contribute significantly to intratumor heterogeneity, characterized by high tumorigenicity and chemoresistance. CSCs reside in the depth of the tumor, possessing low reactive oxygen species (ROS) levels and robust antioxidant defense systems to maintain...
The development of economical and efficient oxygen reduction reaction (ORR) catalysts is crucial to accelerate the widespread application rhythm of aqueous rechargeable zinc‐air batteries (ZABs). Here, a strategy is reported that the modification of the binding energy for reaction intermediates by the axial N‐group converts the inactive spinel MgAl2O4 into the active motif of MgAl2O4‐N. It is found...
Azobenzene, which activates its geometric and chemical structure under light stimulation enables noninvasive control of mass transport in many processes including membrane separations. However, producing azobenzene‐decorated channels that have precise size tunability and favorable pore wall chemistry allowing fast and durable permeation to solvent molecules, remains a great challenge. Herein, an advanced...
Organic compounds are regarded as important candidates for potassium‐ion batteries (KIBs) due to their light elements, controllable polymerization, and tunable functional groups. However, intrinsic drawbacks largely restrict their application, including possible solubility in electrolytes, poor conductivity, and low diffusion coefficients. To address these issues, an ultrathin layered pyrazine/carbonyl‐rich...
Wounds and the subsequent formation of scars constitute a unified and complex phased process. Effective treatment is crucial; however, the diverse therapeutic approaches for different wounds and scars, as well as varying treatment needs at different stages, present significant challenges in selecting appropriate interventions. Microneedle patch (MNP), as a novel minimally invasive transdermal drug...
Enzyme‐driven micro/nanomotors (MNMs) have demonstrated potentials in the biomedical field because of their excellent biocompatibility, versatility, and fuel bioavailability. However, the fragility of enzymes limits their practical application, because of their susceptibility to denaturation and degradation in realistic scenarios. Herein, a simple yet versatile and effective approach is reported to...
The ethanol oxidation reaction (EOR) is an attractive alternative to the sluggish oxygen evolution reaction in electrochemical hydrogen evolution cells. However, the development of high‐performance bifunctional electrocatalysts for both EOR and hydrogen evolution reaction (HER) is a major challenge. Herein, the synthesis of Pd3Pb@Pt core–shell nanocubes with controlled shell thickness by Pt‐seeded...
The commercialization of Li‐S batteries as a promising energy system is terribly impeded by the issues of the shuttle effect and Li dendrite. Keggin Al13‐pillared montmorillonite (AlMMT), used as the modified film of the separator together with super‐P and poly (vinylidene fluoride) (PVDF), has a good chemical affinity to lithium polysulfide (LiPS) to retard the polysulfide shuttling, excellent electrolyte...
Nanofluidic Devices
A nanofluidic aptamer nanoarray (NANa) enables the stochastic capture of single proteins at normal high concentrations from samples with ultrasmall volumes equivalent to a single cell by following Poisson statistics, forming a readily addressable single‐protein nanoarray. This approach offers a methodology and device that surpass both the concentration and volume limits of single‐protein...
Single‐molecule experiments allow understanding of the diversity, stochasticity, and heterogeneity of molecular behaviors and properties hidden by conventional ensemble‐averaged measurements. They hence have great importance and significant impacts in a wide range of fields. Despite significant advances in single‐molecule experiments at ultralow concentrations, the capture of single molecules in solution...
Electrochemical CO2 reduction reaction (CO2RR) is a promising strategy for waste CO2 utilization and intermittent electricity storage. Herein, it is reported that bimetallic Cu/Pd catalysts with enhanced *CO affinity show a promoted CO2RR performance for multi‐carbon (C2+) production under industry‐relevant high current density. Especially, bimetallic Cu/Pd‐1% catalyst shows an outstanding CO2‐to‐C2+...
Low infiltration of cytotoxic T lymphocytes and their exhaustion manifest the two concurrent main hurdles for achieving effective tumor immunotherapy of triple‐negative breast cancer. It is found that Galectin‐9 blockage can revise the exhaustion of effector T cells, meanwhile the repolarization of protumoral M2 tumor‐associated macrophages (TAMs) into tumoricidal M1‐like ones can recruit effector...
Lithium‐sulfur battery (LSB) is widely regarded as the most promising next‐generation energy storage system owing to its high theoretical capacity and low cost. However, the practical application of LSBs is mainly hampered by the low electronic conductivity of the sulfur cathode and the notorious “shuttle effect”, which lead to high voltage polarization, severe over‐charge behavior, and rapid capacity...
Water pollution caused by the massive use of medicines has caused significant environmental problems. This work first reports the synthesis and characterization of the Cu7S4/CuCo2O4 (CS/CCO) yolk–shell microspheres via hydrothermal and annealing methods, and then investigates their photocatalytic performance in removing organic water pollutants. The 10‐CS/CCO composite with yolk–shell microspheres...
Monolayer molybdenum disulfide (MoS2) nanoenzymes exhibit a piezoelectric polarization, which generates reactive oxygen species to inactivate tumors under ultrasonic strain. However, its therapeutic efficiency is far away from satisfactory, due to stackable MoS2, quenching of piezo‐generated charges, and monotherapy. Herein, chitosan‐exfoliated monolayer MoS2 (Ch‐MS) is composited with atomic‐thin...
An electrocatalyst composed of RuO2 surrounded by interfacial carbon, is synthesized through controllable oxidization‐calcination. This electrocatalyst provides efficient charge transfer, numerous active sites, and promising activity for pH‐universal electrocatalytic overall seawater splitting. An electrolyzer with this catalyst gives current densities of 10 mA cm−2 at a record low cell voltage of...
Developing low‐cost and efficient oxygen evolution electrocatalysts is key to decarbonization. A facile, surfactant‐free, and gram‐level biomass‐assisted fast heating and cooling synthesis method is reported for synthesizing a series of carbon‐encapsulated dense and uniform FeNi nanoalloys with a single‐phase face‐centered‐cubic solid‐solution crystalline structure and an average particle size of...
Li3V2(PO4)3 (LVP) is a promising cathode material for lithium‐ion batteries, especially when used in a wide temperature range, due to its high intrinsic ionic mobility and theoretical capacity. Herein, Ru‐ and Cl‐codoped Li3V2(PO4)3 (LVP‐Rux‐Cl3x) coated with/without a nitrogen‐doped carbon (NC) layer are synthesized. Among them, the optimized sample (LVP‐Ru0.05‐Cl0.15@NC) delivers remarkable performances...
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