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A facile strategy is developed to fabricate 3 nm RuIrOx nanocrystals anchored onto N‐doped hollow carbon for highly efficient and pH‐universal overall water splitting and alkaline seawater electrolysis. The designed catalyst exhibits much lower overpotential and superior stability than most previously reported Ru‐ and Ir‐based electrocatalysts for hydrogen/oxygen evolution reactions. It also manifests...
Long‐term exposure to low concentration indoor VOCs of acetaldehyde (CH3CHO) is harmful to human health. Thus, a novel isogenous heterojunction CeO2/Ce‐MOF photocatalyst is synthesized via a one‐step hydrothermal method for the effective elimination of CH3CHO in this work. This CeO2/Ce‐MOF photocatalyst performs well in CH3CHO removal and achieves an apparent quantum efficiency of 7.15% at 420 nm,...
Molybdenum selenium (MoSe2) has tremendous potential in potassium‐ion batteries (PIBs) due to its large interlayer distance, favorable bandgap, and high theoretical specific capacity. However, the poor conductivity and large K+ insertion/extraction in MoSe2 inevitably leads to sluggish reaction kinetics and poor structural stability. Herein, Coinduced engineering is employed to illuminate high‐conductivity...
Silicon (Si) is regarded as one of the most promising anode materials for high‐performance lithium‐ion batteries (LIBs). However, how to mitigate its poor intrinsic conductivity and the lithiation/delithiation‐induced large volume change and thus structural degradation of Si electrodes without compromising their energy density is critical for the practical application of Si in LIBs. Herein, an integration...
Tumor‐dependent glucose and glutamine metabolisms are essential for maintaining survival, while the accordingly metabolic suppressive therapy is limited by the compensatory metabolism and inefficient delivery efficiency. Herein, a functional metal–organic framework (MOF)‐based nanosystem composed of the weakly acidic tumor microenvironment‐activated detachable shell and reactive oxygen species (ROS)‐responsive...
Appearing as an innovative and efficient strategy, a facile strategy of a plasma ball mill is carried out to prepare few‐layer black phosphorus nanosheets (BPNSs), for abating the fire risk of epoxy resin (EP). A spear and shield‐inspired Ar plasma emergeed through a plasma ball mill to prevent Ar@BP nanosheets from oxidation compared with the preparation of BP nanosheets (MBPNSs) in a mechanical...
With the development of renewable energy systems, clean hydrogen is burgeoning as an optimal alternative to fossil fuels, in which its application is promising to retarding the global energy and environmental crisis. The hydrogen evolution reaction (HER), capable of producing high‐purity hydrogen rapidly in electrocatalytic water splitting, has received much attention. Abundant research about HER...
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...
Nanofluidics
In article number 2102150, Hui Yang and co‐workers report a high‐throughput nanofluidic device for loading of various cargos into exosomes. The exosomes treated by the device can deliver their drug cargos to cancer cells and induce cell death, indicating the potential opportunities of the device for developing new exosome‐based delivery vehicles for further biomedical applications.
Efficient loading of various exogenous cargos into exosomes while not affecting their integrity and functionalities remains a major challenge. Here, a nanofluidic device named “exosome nanoporator (ENP)” is presented for high‐throughput loading of various cargos into exosomes. By transporting exosomes through nanochannels with height comparable to their dimension, exosome membranes are permeabilized...
Designing elaborate nanostructures and engineering defects have been promising approaches to fabricate cost‐efficient electrocatalysts toward overall water splitting. In this work, a controllable Prussian‐blue‐analogue‐sacrificed strategy followed by an annealing process to harvest defect‐rich Ni‐Fe‐doped K0.23MnO2 cubic nanoflowers (Ni‐Fe‐K0.23MnO2 CNFs‐300) as highly active bifunctional catalysts...
Asymmetric supercapacitors (ASCs) are emerging as a new class of energy storage devices that could potentially meet the increasing power and energy demand for next‐generation portable and flexible electronics. Yet, the energy density of ASC is severely limited by the low capacitance of the anode side, which commonly uses the carbon‐based nanomaterials. Here, the demonstration of sulfur‐doped MoO3−...
In article number 1901650, Jia Liang, Jun Lou, and co‐workers synthesize lead‐free double perovskite Cs2SnX6 (X = Br, I) with a well‐defined vacancy‐ordered defect‐variant crystal structure via a facile hydrothermal method. The as‐obtained perovskite displays excellent stability against moisture, light, and high‐temperature.
Long‐term instability and possible lead contamination are the two main issues limiting the widespread application of organic–inorganic lead halide perovskites. Here a facile and efficient solution‐phase method is demonstrated to synthesize lead‐free Cs2SnX6 (X = Br, I) with a well‐defined crystal structure, long‐term stability, and high yield. Based on the systematic experimental data and first‐principle...
The development of cost‐effective and flexible electrodes is demanding in the field of energy storage. Herein, flexible FexOy/nitrogen‐doped carbon films (FexOy/NC‐MOG) are prepared by facile electrospinning of Fe‐based metal–organic gels (MOGs) followed by high‐temperature carbonization. This approach allows the even mixing of fragile coordination polymers with polyacrylonitrile into flexible films...
In article number 1804058, Xian‐He Bu and co‐workers prepare flexible FexOy/nitrogen‐doped carbon (FexOy/NC‐MOG) electrode by facile electrospinning of Fe‐based metal–organic gels (MOGs) followed by high‐temperature carbonization. The tiny FexOy active sites are dispersed in nitrogen‐doped carbon substrates due to the homogeneous distribution of Fe‐based MOGs in the polyacrylonitrile matrix. The special...
In article number 1704049, Xijun Liu, Jun Luo, and co‐workers report an ultrathin MoTe2 nanosheets electrode/ionic liquid electrolyte system for electroreduction of carbon dioxide. This system demonstrates significantly enhanced electrocatalytic activities for methane production with long‐term stability, which synergistically originates from the ultrathin structure and solvent‐assisted contributions...
The electroreduction of CO2 to CH4 is a highly desirable, challenging research topic. In this study, an electrocatalytic system comprising ultrathin MoTe2 layers and an ionic liquid electrolyte for the reduction of CO2 to methane is reported, efficiently affording methane with a faradaic efficiency of 83 ± 3% (similar to the best Cu‐based catalysts reported thus far) and a durable activity of greater...
Wearable healthcare presents exciting opportunities for continuous, real‐time, and noninvasive monitoring of health status. Even though electrochemical and optical sensing have already made great advances, there is still an urgent demand for alternative signal transformation in terms of miniaturization, wearability, conformability, and stretchability. Mechano‐based transductive sensing, referred to...
Ice accumulation poses a series of severe issues in daily life. Inspired by the nature, superwettability surfaces have attracted great interests from fundamental research to anti‐icing and ice‐phobic applications. Here, recently published literature about the mechanism of ice prevention is reviewed, with a focus on the anti‐icing and ice‐phobic mechanisms, encompassing the behavior of condensate microdrops...
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