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Selective photocatalytic production of high‐value acetaldehyde concurrently with H2 from bioethanol is an appealing approach to meet the urgent environment and energy issues. However, the difficult ethanol dehydrogenation and insufficient active sites for proton reduction within the catalysts, and the long spatial distance between these two sites always restrict their catalytic activity. Here, guided...
To obtain anode materials with high capacity/energy density for lithium‐ion batteries, a polyanionic compound Li2FeGeO4 is prepared, which combines the conversion‐type Fe‐based oxide and the alloy‐type Ge‐based oxide at the atomic scale. The influence of citric acid in the sol–gel process on the structure and performance of the calcined products (LFG0, LFG1, and LFG2) is investigated. The results...
Electrochemical bioassays based on oxidase reactions are frequently used in biological sciences and medical industries. However, the enzymatic reaction kinetics are severely restricted by the poor solubility and slow diffusion rate of oxygen in conventional solid‒liquid diphase reaction systems, which inevitably compromises the detection accuracy, linearity, and reliability of the oxidase‐based bioassay...
Sodium‐ion batteries (SIBs) have received increasing attention because of their appealing cell voltages and cost‐effective features. However, the atom aggregation and electrode volume variation inevitably deteriorate the sodium storage kinetics. Here a new strategy is proposed to boost the lifetime of SIB by synthesizing sea urchin‐like FeSe2/nitrogen‐doped carbon (FeSe2/NC) composites. The robust...
Inspired by molecular self‐assemblies in nature, this article reports a versatile strategy for confined encapsulation of single‐atomic metal into high‐quality rGO nanosheets by the microwave‐assisted emulsion micelle method. Multilayer self‐assembly of organometallics–surfactants micelles into the interlayer of nanosheets can not only promote microwave exfoliation and reduction of GO but also precisely...
Fabrication of organic–metal‐halide perovskite micro‐nano array structures draws attention to the potential application in polarized light, high‐resolution X‑ray imaging, light‐emitting diodes, and lasers. However, it is still challenging to achieve the growth of controllable long‐range ordered nanostructure arrays by chemical solution‐based techniques. Herein, controllable epitaxial growth of long‐range...
The advancement of electromagnetic (EM) protection technology promotes the urgent demand for the structural design of electromagnetic functional materials. Here, tadpole‐like Fe@SiO2@C‐Ni (FSCN) composites with magnetic core–shell and nonspherical hollow architectures through multiple hydrolysis‐polymerization reactions are reported. The Fe core and well‐distributed Ni nanoparticles greatly promote...
1D tubular micro‐nano structural materials have been attracting extensive attention in the microwave absorption (MA) field for their anisotropy feature, outstanding impedance matching, and electromagnetic energy loss capability. Herein, unique double‐shelled Sn@Mo2C/C tubes with porous Sn inner layer and 2D Mo2C/C outer layer are successfully designed and synthesized via a dual‐template method. The...
Three‐dimensional (3D) materials assembled by 2D layered lamella can provide abundant interfaces which are greatly advantageous for high‐performance microwave absorbers. Herein, accordion‐like CeO2−x/reduced graphene oxide (CeO2−x/RGO) hybrid materials can be successfully synthesized by a solvothermal and hydrothermal method, which are composed of laminated RGO sheets and confined CeO2−x nanoparticles...
Contamination of industrial sewage by organic dye pollutants is one of the most common challenges to the daily life. De‐contamination can be achieved by adsorption and photodegradation of the pollutants. However, the former technique is generally limited by the poor loading capacity of the adsorbent and/or the difficulty in its regeneration for reuse, while the latter often suffers from sluggish reaction...
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