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The precise design of low‐cost, efficient, and definite electrocatalysts is the key to sustainable renewable energy. The urea oxidation reaction (UOR) offers a promising alternative to the oxygen evolution reaction for energy‐saving hydrogen generation. In this study, by tuning the lattice expansion, a series of M‐FeNi layered double hydroxides (M‐FeNi LDHs, M: Mo, Mn, V) with excellent UOR performance...
The development of simple, cost‐effective, rapid, and quantitative diagnostic tools remains critical to monitor infectious COVID‐19 disease. Although numerous diagnostic platforms, including rapid antigen tests, are developed and used, they suffer from limited accuracy, especially when tested with asymptomatic patients. Here, a unique approach to fabricate a nanochannel‐based electrochemical biosensor...
Heterointerface engineering for different identifiable length scales has emerged as a key research area for obtaining materials capable of high‐performance electromagnetic wave absorption; however, achieving controllable architectural and compositional complexity in nanomaterials with environmental and thermal stabilities remains challenging. Herein, metal‐containing silicon carbonitride (SiCN/M)...
Two‐dimensional low‐melting‐point (LMP) metal nanocrystals are attracting increasing attention with broad and irreplaceable applications due to their unique surface and topological structures. However, the chemical synthesis, especially the fine control over the nucleation (reduction) and growth (crystallization), of such LMP metal nanocrystals remains elusive as limited by the challenges of low standard...
Although photodynamic immunotherapy has been promoted in the clinical practice of cholangiocarcinoma, the insensitivity to photodynamic immunotherapy remains to be a great problem. This can be largely attributed to an immune‐suppressive tumor microenvironment (TME) manifested as immature myeloid cells and exhausted cytotoxic T lymphocytes. Here, a three‐in‐one oncolytic adenovirus system PEG‐PEI‐Adv‐Catalase‐KillerRed...
Endogenous electric field is ubiquitous in a multitude of important living activities such as bone repair, cell signal transduction, and nerve regeneration, signifying that regulating the electric field in organisms is highly beneficial to maintain organism health. As an emerging and promising research direction, piezoelectric nanomedicine and materdicine precisely activated by ultrasound with synergetic...
Nitrate is a reasonable alternative instead of nitrogen for ammonia production due to the low bond energy, large water‐solubility, and high chemical polarity for good absorption. Nitrate electroreduction reaction (NO3RR) is an effective and green strategy for both nitrate treatment and ammonia production. As an electrochemical reaction, the NO3RR requires an efficient electrocatalyst for achieving...
Precise design of low‐cost, efficient and definite electrocatalysts is the key to sustainable renewable energy. Herein, this work develops a targeted‐anchored and subsequent spontaneous‐redox strategy to synthesize nickel‐iron layered double hydroxide (LDH) nanosheets anchored with monodispersed platinum (Pt) sites (Pt@LDH). Intermediate metal‐organic frameworks (MOF)/LDH heterostructure not only...
As the emerging modalities for tumor therapy, sonodynamic therapy (SDT) and chemodynamic therapy (CDT) can generate reactive oxygen species (ROS), typically inducing tumor cell apoptosis. However, the construction of more efficient sonosensitizers integrated with excellent Fenton/Fenton‐like catalytic activity to improve the synergistic therapeutic effect of SDT and CDT is still highly challenging...
Metal‐oxo clusters have emerged as advanced proton conductors with well‐defined and tunable structures. Nevertheless, the exploitation of metal‐oxo clusters with high and stable proton conductivity over a relatively wide temperature range still remains a great challenge. Herein, three sulfate groups decorated zirconium‐oxo clusters (Zr6, Zr18, and Zr70) as proton conductors are reported, which exhibit...
Transition‐metal dyshomeostasis has been identified as a critical pathogenic factor for the aggregates of amyloid‐beta (Aβ) peptide, which is associated with the onset and progression of Alzheimer's disease (AD). Excessive transition‐metal ions, especially copper ion (Cu2+), catalyze the formation of reactive oxygen species (ROS), triggering neuroinflammation and neuronal cell apoptosis. Therefore,...
In Situ Crystallization
In article number 2107452, Song Chen, Yu Chen, and co‐workers report a strategy for in‐situ crystallization of CsPbBr3 nanocrystals within silica nanospheres by a carefully designed, multistep, high‐temperature treatment. The image presents the well‐protected CsPbBr3 nanocrystals with excellent thermal stability, referencing the Chinese traditional story of “Bagua furnace alchemy...
The soft hybrid organic–inorganic structure of two‐dimensional layered perovskites (2DLPs) enables broadband emission at room temperature from a single material, which makes 2DLPs promising sources for solid‐state white lighting, yet with low efficiency. The underlying photophysics involves self‐trapping of excitons favored by distortions of the inorganic lattice and coupling to phonons, where the...
Although all‐inorganic perovskite materials present multiple fascinating optical properties, their poor stability undermines their potential application in the field of multi‐color display. Herein, spatially confined CsPbBr3 nanocrystals are in situ crystallized within uniform mesoporous SiO2 nanospheres (MSNs) to regulate their size distribution, passivate their surface defects, shield them from...
Electrocatalytic water splitting is regarded as the most effective pathway to generate green energy—hydrogen—which is considered as one of the most promising clean energy solutions to the world's energy crisis and climate change mitigation. Although electrocatalytic water splitting has been proposed for decades, large‐scale industrial hydrogen production is hindered by high electricity cost, capital...
Emerging Fe bonded with heteroatom P in carbon matrix (FePC) holds great promise for electrochemical catalysis, but the design of highly active and cost‐efficient FePC structure for the electrocatalytic CO2 reduction reaction (CO2RR) and aqueous ZnCO2 batteries (ZCBs) is still challenging. Herein, polyhedron‐shaped bifunctional electrocatalysts, FeP nanocrystals anchored in N‐doped carbon polyhedrons...
The suitable size of multifunctional nanomedicines strongly influences their physicochemical properties and actions in biological systems, for example, prolonged blood circulation time, efficient tumor accumulation, and deep tumor penetration. However, it is still a great challenge to construct size‐transformable nanoparticles (NPs) for both efficient accumulation and penetration throughout tumor...
Mn alloying in thermoelectrics is a long‐standing strategy for enhancing their figure‐of‐merit through optimizing electronic transport properties by band convergence, valley perturbation, or spin‐orbital coupling. By contrast, mechanisms by which Mn contributes to suppressing thermal transports, namely thermal conductivity, is still ambiguous. A few precedent studies indicate that Mn introduces a...
The efficient electrocatalysts toward the ethylene glycol oxidation reaction (EGOR) are highly desirable for direct ethylene glycol fuel cells because of the sluggish kinetics of anodic EGOR. Herein, porous RhCu nanoboxes are successfully prepared through facile galvanic replacement reaction and succedent sodium borohydride reduction strategy. Benefiting from hierarchical pore structure, RhCu nanoboxes...
The performance of lithium–sulfur (Li–S) batteries is greatly hindered by the notorious shuttle effect of lithium polysulfides (LiPSs). To address this issue, in situ topochemical oxidation derivative TiC@carbon‐included TiO2 (TiC@C‐TiO2) core–shell composite is designed and proposed as a multifunctional sulfur host, which integrates the merits of conductive TiC core to facilitate the redox reaction...
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