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Tissue Regeneration
In article number 2304324, Yi Deng, Kunneng Liang, and co‐workers report the innovative P‐N bio‐heterojunction (bio‐HJ) material with infection‐primed H2S liberation. In this system, fast sterilization is achieved through the self‐built‐in electric field intensified photodynamics therapy and photothermal therapy. Meanwhile, H2S generated in situ from bio‐HJs accelerates revascularization...
Zn dendrite formation is the main obstacle to commercializing aqueous zinc–ion batteries (ZIBs). α‐cyclodextrin (α‐CD) is proposed as an environmentally friendly macromolecule additive in the ZnSO4‐based electrolyte to obtain stable and reversible Zn anodes. The results show that α‐CD molecules’ unique 3D structure can effectively regulate the mass transfer of the electrolyte components and isolate...
Bio‐Based Microgels
In article number 2303783, Andrij Pich and co‐workers report a versatile method to tune the porosity of dextran‐based microgels. The size of mesopores (≤50 nm) in diameter is regulated by the variation of the polymer concentration. For the generation of the macropores (300 to 690 nm), pH‐degradable supramacromolecular nanogels are used as a sacrificial colloidal template. Different...
Water splitting is a promising technique in the sustainable “green hydrogen” generation to meet energy demands of modern society. Its industrial application is heavily dependent on the development of novel catalysts with high performance and low cost for hydrogen evolution reaction (HER). As a typical non‐precious metal, cobalt‐based catalysts have gained tremendous attention in recent years and shown...
This study presents a novel approach to decontaminate ferrocyanide‐contaminated wastewater. The work effectively demonstrates the use of bimetallic Mo/Zr‐UiO‐66 as a super‐adsorbent for rapid sequestration of Prussian blue, a frequently found iron complex in cyanide‐contaminated soils/groundwater. The exceptional performance of Mo/Zr‐UiO‐66 is attributed to the insertion of secondary metallic sites,...
The demand for high‐performance and cost‐effective energy storage solutions for mobile electronic devices and electric vehicles has been a driving force for technological advancements. Among the various options available, transitional metal oxides (TMOs) have emerged as a promising candidates due to their exceptional energy storage capabilities and affordability. In particular, TMO nanoporous arrays...
The design of an efficient catalytic system with low Pt loading and excellent stability for the acidic oxygen reduction reaction is still a challenge for the extensive application of proton‐exchange membrane fuel cells. Here, a gas‐phase ordered alloying strategy is proposed to construct an effective synergistic catalytic system that blends PtM intermetallic compounds (PtM IMC, M = Fe, Cu, and Ni)...
The vigorous nanomedicine offers significant possibilities for effective therapeutics of various diseases, and nanovesicles (NVs) represented by artificial liposomes and natural exosomes and cytomembranes especially show great potential. However, their complex interactions with cells, particularly the heterogeneous extracellular adsorptions, are difficult to analyze spatiotemporally due to the transient...
Structural and compositional design of multifunctional materials is critical for electrocatalysis, but their rational modulation and effective synthesis remain a challenge. Herein, a controllable one‐pot synthesis for construction of trifunctional sites and preparation of porous structures is adopted for synthesizing dispersed MoCoP sites on N, P codoped carbonized substance. This tunable synthetic...
Compared with the traditional electrolysis of water to produce hydrogen, urea‐assisted electrolysis of water to produce hydrogen has significant advantages and has received extensive attention from researchers. Unfortunately, urea oxidation reaction (UOR) involves a complex six‐electron transfer process leading to high overpotential, which forces researchers to develop high‐performance UOR catalysts...
Obtaining partial methane oxidation reaction (MOR) with various oxygenates via a mild electrochemical method is practically difficult because of activation of stable C─H bond and consequent reaction pathway regulation. Here, a real‐time tandem MOR with cascaded plasma and electrocatalysis to activate and convert the methane (CH4) synergistically is reported for the first time. Boosted CH4 conversion...
Flexible electronic sensors show great potential for health monitoring but are usually limited to single sensing functionality. To enrich their functions, complicated device configurations, sophisticated material systems, and preparation processes are typically involved, obstructing their large‐scale deployment and widespread application. Herein, to achieve a good balance between simplicity and multifunctionality,...
This work presents a new strategy to achieve highly stable electrochromic devices and bilayer film construction. A novel solution‐processable electrochromic polymer P1‐Boc with quinacridone as the conjugated backbone and t‐Boc as N‐substituted non‐conjugated solubilizing groups is designed. Thermal annealing of P1‐Boc film results in the cleavage of t‐Boc groups and the formation of N─H⋯O═C hydrogen‐bonding...
The synthesis of large‐scale 2D conductive metal‐organic framework films with tunable thickness is highly desirable but challenging. In this study, an Interface Confinement Self‐Assembly Pulling (ICSP) method for in situ synthesis of 4‐in. Ni‐BHT film on the substrate surface is developed. By modulating the thickness of the confined space, the thickness of Ni‐BHT films could be easily varied from...
Heterogeneous oxides with multiple interfaces provide significant advantages in electrocatalytic activity and stability. However, controlling the local structure of these oxides is challenging. In this work, unique heterojunctions are demonstrated based on two oxide types, which are formed via pyrolysis of a ruthenocene metal–organic framework (Ru‐MOF) at specific temperatures. The resulted Ru‐MOF‐400...
Ultrasensitive Plasmonic Sensors
In article number 2303026, Lixuan Liu, Yu Shu, Tianyu Xue, and co‐workers present the ferroelectric 2D Bi2O2Se materials, which exhibit an ultralow detection limit of 1 fM for protein molecule detection using plasmonic biosensors. Notably, the unique ferroelectric property of Bi2O2Se materials enhances the signal of plasmonic biosensors. It is anticipated that the...
Glioblastoma is one of the most aggressive central nervous system malignancies with high morbidity and mortality. Current clinical approaches, including surgical resection, radiotherapy, and chemotherapy, are limited by the difficulty of targeting brain lesions accurately, leading to disease recurrence and fatal outcomes. The lack of effective treatments has prompted researchers to continuously explore...
The severely insufficient operational lifetime of perovskite light‐emitting diodes (LEDs) is incompatible with the rapidly increasing external quantum efficiency, even as it approaches the theoretical limit, thereby significantly impeding the commercialization of perovskite LEDs. In addition, Joule heating induces ion migration and surface defects, degrades the photoluminescence quantum yield and...
Defects on metal oxide have attracted extensive attention in photo‐/electrocatalytic CO2 reduction. Herein, porous MgO nanosheets with abundant oxygen vacancies (Vos) and three‐coordinated oxygen atoms (O3c) at corners are reported, which reconstruct into defective MgCO3·3H2O exposing rich surface unsaturated ‐OH groups and vacancies to initiate photocatalytic CO2 reduction to CO and CH4. In consecutive...
Rechargeable batteries play an integral role toward carbon neutrality. Environmentally sustainable batteries should consider the trade‐offs between material renewability, processability, thermo‐mechanical and electrochemical performance, as well as transiency. To address this dilemma, we follow circular economy principles to fabricate fungal chitin nanofibril (ChNF) gel polymer electrolytes (GPEs)...
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