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Main group element‐based materials are emerging catalysts for ammonia (NH3) production via a sustainable electrochemical nitrogen reduction reaction (N2RR) pathway under ambient conditions. However, their N2RR performances are less explored due to the limited active behavior and unclear mechanism. Here, an aluminum‐based defective metal–organic framework (MOF), aluminum‐fumarate (Al‐Fum), is investigated...
Converting solar energy into hydrogen energy using conjugated polymers (CP) is a promising solution to the energy crisis. Improving water solubility plays one of the critical factors in enhancing the hydrogen evolution rate (HER) of CP photocatalysts. In this study, a novel concept of incorporating hydrophilic side chains to connect the backbones of CPs to improve their HER is proposed. This concept...
Solid‐state batteries have become the most anticipated option for compatibility with high‐energy density and safety. In situ polymerization, a novel strategy for the construction of solid‐state systems, has extended its application from solid polymer electrolyte systems to other solid‐state systems. This review summarizes the application of in situ polymerization strategies in solid‐state batteries,...
Because of their exceptional physical and thermal properties, cellulose nanocrystals (CNCs) are a highly promising bio‐based material for reinforcing fillers. Studies have revealed that some functional groups from CNCs can be used as a capping ligand to coordinate with metal nanoparticles or semiconductor quantum dots during the fabrication of novel complex materials. Therefore, through CNCs ligand...
In this work, monolithic three‐dimensional complementary metal oxide semiconductor (CMOS) inverter array has been fabricated, based on large‐scale n‐MoS2 and p‐MoTe2 grown by the chemical vapor deposition method. In the CMOS device, the n‐ and p‐channel field‐effect transistors (FETs) stack vertically and share the same gate electrode. High k HfO2 is used as the gate dielectric. An Al2O3 seed layer...
All‐in‐One Theranostics
In article number 2104660, Xin Jia, Bo Han, and co‐workers coordinate bismuth ions and natural polyphenols into a metal phenolic network (MPN). Tetracycline is used as a model drug to evaluate the efficacy and drug carrying capacity of the MPN. The results show that the drug delivery system constructed in this work provides a versatile intragastric‐targeting all‐in‐one theranostic...
Bismuth‐containing therapies are suggested as first‐line and rescue alternatives for gastric ulcer (GU) treatment and Helicobacter pylori eradication. The current treatment strategy is called quadruple therapy and includes proton pump inhibitors, bismuth, and two broad‐band antibiotics. This fact may affect medication compliance, leading to a resistance rate of more than 25% to clarithromycin or metronidazole...
2D materials, of which the carrier type and concentration are easily tuned, show tremendous superiority in electronic and optoelectronic applications. However, the achievements are still quite far away from practical applications. Much more effort should be made to further improve their performance. Here, p‐type MoSe2 is successfully achieved via substitutional doping of Ta atoms, which is confirmed...
In article number 2004276, Rong Yang, Guangyu Zhang, and co‐workers develop an in situ oxygen substitutional doping in MoS2 monolayers by one step chemical vapor deposition process and lateral heterostructures with controlled doping concentrations are reliably fabricated. The bandgap tunability (from 2.25 to 1.75 eV) and n‐doping electronic properties are realized. This nondestructive oxygen doping...
In 2D semiconductors, doping offers an effective approach to modulate their optical and electronic properties. Here, an in situ doping of oxygen atoms in monolayer molybdenum disulfide (MoS2) is reported during the chemical vapor deposition process. Oxygen concentrations up to 20–25% can be reliable achieved in these doped monolayers, MoS2‐xOx. These oxygen dopants are in a form of substitution of...
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