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It is a great demand to develop high‐performance electrodes for metal–air batteries to boost cathodic oxygen reduction/evolution dynamics and avoid anodic dendrites. The optimization of catalysis at electrode can be conducted by increasing effective surface exposure, active site density, and unsaturated coordination, via using metal clusters or atomic catalysts, along with conductive or defective...
Ionogels are extremely soft ionic materials that can undergo large deformation while maintaining their structural and functional integrity. Ductile ionogels can absorb energy and resist fracture under external load, making them an ideal candidate for wearable electronics, soft robotics, and protective gear. However, developing high‐modulus ionogels with extreme toughness remains challenging. Here,...
Covalent organic frameworks (COFs), a new class of crystalline materials connected by covalent bonds, have been developed rapidly in the past decades. However, the research on COFs is mainly focused on two‐dimensional (2D) COFs, and the research on three‐dimensional (3D) COFs is still in the initial stage. In 2D COFs, the covalent bonds exist only in the 2D flakes and can form 1D channels, which hinder...
Hierarchical self‐assembly of 2D metal‒organic layers (MOLs) for the construction of advanced functional materials have witnessed considerable interest, due to the increasing atomic utilizations and well‐defined atom‒property relationship. However, the construction of atomically precise MOLs with mono‐/few‐layered thickness through hierarchical self‐assembly process remains a challenge, mostly because...
To manufacture flexible batteries, it can be a challenge for silicon base anode materials to maintain structural integrity and electrical connectivity under bending and torsion conditions. In this work, 1D silicon nanowire array structures combined with flexible carbon chains consisting of short carbon nanofibers (CNFs) and long carbon nanotubes (CNTs) are proposed. The CNFs and CNTs serve as chain...
The next‐generation X‐ray detectors require novel semiconductors with low material/fabrication cost, excellent X‐ray response characteristics, and robust operational stability. The family of organic‐inorganic hybrid perovskites (OIHPs) materials comprises a range of crystal configuration (i.e., films, wafers, and single crystals) with tunable chemical composition, structures, and electronic properties,...
Stretchable electronics have attracted tremendous attention amongst academic and industrial communities due to their prospective applications in personal healthcare, human‐activity monitoring, artificial skins, wearable displays, human‐machine interfaces, etc. Other than mechanical robustness, stable performances under complex strains in these devices that are not for strain sensing are equally important...
The combination of immunotherapy and chemotherapy to ablate tumors has attracted substantial attention due to the ability to simultaneously elicit antitumor immune responses and trigger direct tumor cell death. However, conventional combinational strategies mainly focus on the employment of drug carriers to deliver immunomodulators, chemotherapeutics, or their combinations, always suffering from complicated...
Gene therapy (GT) and photothermal therapy (PTT) have emerged as promising alternatives to chemotherapy and radiotherapy for cancer treatment, offering noninvasiveness and reduced side effects. However, their efficacy as standalone treatments is limited. GT exhibits slow response rates, while PTT is confined to local tumor ablation. The convergence of GT and PTT, known as GT‐PTT, facilitated by photothermal...
MXenes are considered a promising negative electrode material for potassium ion batteries (PIBs) in view of their low potassium ion diffusion barrier and excellent electrical conductivity. However, the stacking phenomenon in practical applications severely reduces their active surface and leads to slow K+ diffusion. Herein, a facile composite template method is proposed to construct stacking‐resistance...
Perovskite solar cells have achieved rapid progress in the new‐generation photovoltaic field, but the commercialization lags behind owing to the device stability issue under operational conditions. Ultimately, the instability issue is attributed to the soft lattice of ionic perovskite crystal. In brief, metal halide perovskite materials are susceptible to structural instability processes, including...
Low‐cost fabric‐based top‐emitting polymer light‐emitting devices (Fa‐TPLEDs) have aroused increasing attention due to their remarkable potential applications in wearable displays. However, it is still challenging to realize efficient all‐solution‐processed devices from bottom electrodes to top electrodes with large‐scale fabrication. Here, a smooth reflective Ag cathode integrated on fabric by one‐step...
Due to their high sensitivity and selectivity, chemical sensors have gained significant attention in various fields, including drug security, environmental testing, food safety, and biological medicine. Among them, organic field‐effect transistor (OFET) based chemical sensors have emerged as a promising alternative to traditional sensors, exhibiting several advantages such as multi‐parameter detection,...
Organic Field‐Effect Transistors
Due to their high sensitivity and selectivity, chemical sensors have gained significant attention in various fields. Research progress on organic field‐effect transistor (OFET)‐based chemical sensors focuses on the enhancement of sensor performance, including sensitivity, selectivity, and stability etc. The main improvement programs are improving the internal and external...
Hydrogen energy is regarded as the ultimate energy source for future human society, and the preparation of hydrogen from water electrolysis is recognized as the most ideal way. One of the key factors to achieve large‐scale hydrogen production by water splitting is the availability of highly active and stable electrocatalysts. Although non‐precious metal electrocatalysts have made great strides in...
Platinum (Pt) drugs are widely used in clinic for cancer therapy, but their therapeutic outcomes are significantly compromised by severe side effects and acquired drug resistance. With the emerging immunotherapy and imaging‐guided cancer therapy, precise delivery and release of Pt drugs have drawn great attention these days. The targeting delivery of Pt drugs can greatly increase the accumulation...
Exploration of advanced carbon anode material is the key to circumventing the sluggish kinetics and poor rate capability for potassium ion storage. Herein, a synergistic synthetic strategy of engineering both surface and structure is adopted to design N, S co‐doped carbon nanotubes (NS‐CNTs). The as‐designed NS‐CNTs exhibit unique features of defective carbon surface, hollow tubular channel, and enlarged...
Ethanol Oxidation Reaction
In article number 2203506, Xinlong Tian and co‐workers prepare 2D ternary Pd3Pt1Rh0.1 nanorings with efficient ethanol oxidation reaction performance via a facile one‐pot solvothermal approach, and systematic studies are carried out to reveal the mechanisms of the enhanced performance and C–C bond selectivity. The density functional theory calculations show that the introduction...
Ethanol as a fuel for direct ethanol fuel cells (DEFCs) has the advantages of being highly energetic, environmentally friendly, and low−cost, while the slow anodic ethanol oxidation reaction (EOR), intermediate poisoning effect, and incomplete oxidation of ethanol became obstacles to the development of DEFCs. Herein, a 2D ternary cyclic Pd3Pt1Rh0.1 nanorings (NRs) catalyst with efficient EOR performance...
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