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Non‐aqueous solvents, in particular N,N‐dimethylaniline (NMP), are widely applied for electrode fabrication since most sodium layered oxide cathode materials are readily damaged by water molecules. However, the expensive price and poisonousness of NMP unquestionably increase the cost of preparation and post‐processing. Therefore, developing an intrinsically stable cathode material that can implement...
Copper is a vital micronutrient for lives and an important ingredient for bactericides and fungicides. Given its indispensable biological and agricultural roles, there is an urgent need to develop simple, affordable, and reliable methods for detecting copper in complicated matrixes, particularly in underdeveloped regions where costly standardized instruments and sample dilution procedures hinder progress...
The CO2 electroreduction to fuels is a feasible approach to provide renewable energy sources. Therefore, it is necessary to conduct experimental and theoretical investigations on various catalyst design strategies, such as electronic metal–support interaction, to improve the catalytic selectivity. Here a solvent‐free synthesis method is reported to prepare a copper (Cu)‐based metal–organic framework...
With the rapid development of artificial intelligence and neural network computing, the requirement for information storage in computing is gradually increasing. Floating gate memories based on 2D materials has outstanding characteristics such as non‐volatility, optical writing, and optical storage, suitable for application in photonic in‐memory computing chips. Notably, the optoelectronic memory...
In article number 1902612, Fengqiang Zhang, Changhai Li, Jia Zhang, and Zhenlong Wang report a microtopographic substrate guided strategy for controlling the distribution of multi‐materials with an accuracy of up to ≈18 nm. For generalization, a mathematical model is developed to guide the distribution of position, size, shape, and type of material on an arbitrary section for the given morphology...
Distribution of multimaterials at arbitrary positions with nanoscale resolution and over a large area substrate is essential to future advances in functional graded materials. Such stringent requirements are highly beyond the reach of current techniques, although newly developed 3D printing technologies are addressed. Here, a radial gradient circle array film with the distribution accuracy up to ≈18...
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