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Here, an ultra‐highly active Ni‐MOF‐5 catalyst with high Ni loading for ethylene dimerization is reported. The Ni‐MOF‐5 catalysts are synthesized by a facile one‐pot co‐precipitation method at room temperature, where Ni2+ replaces Zn2+ in MOF‐5. Unlike Zn2+ with tetrahedral coordination in MOF‐5, Ni2+ is coordinated with extra solvent molecules except for four‐oxygen from the framework. After removing...
Ammonia is a key chemical feedstock worldwide. Compared with the well‐known Haber–Bosch method, electrocatalytic nitrogen reduction reaction (ENRR) can eventually consume less energy and have less CO2 emission. In this study, a plasma‐enhanced chemical vapor deposition method is used to anchor transition metal element onto 2D conductive material. Among all attempts, Ru single‐atom and Ru‐cluster‐embedded...
Supported ultrasmall metal/metal oxide nanoparticles (UMNPs) with sizes in the range of 1–5 nm exhibit unique properties in sensing, catalysis, biomedicine, etc. However, the metal–support and metal–metal precursor interactions were not as well controlled to stabilize the metal nanoparticles on/in the supports. Herein, DNA is chosen as a template and a ligand for the silica‐supported UMNPs, taking...
Schottky barrier (SB) transistors operate distinctly different from conventional metal‐oxide semiconductor field‐effect transistors, in a unique way that the gate impacts the carrier injection from the metal source/drain contacts into the channel region. While it has been long recognized that this can have severe implications for device characteristics in the subthreshold region, impacts of contact...
Luminescence imaging is one of the most effective noninvasive strategies for detection and stratification of inflammation and oxidative stress that are closely related to the pathogenesis of numerous acute and chronic diseases. Herein biocompatible nanoparticles based on a peroxalate ester derived from vitamin E (defined as OVE) are developed. In combination with different fluorophores, OVE can generate...
Cell membrane coating has recently emerged as a promising biomimetic approach to engineering nanoparticles (NPs) for targeted drug delivery. However, simple cell membrane coating may not meet the need for efficient drug delivery to the brain. Here, a novel molecular engineering strategy to modify the surface of NPs with a cell membrane coating for enhanced brain penetration is reported. By using poly(lactic‐...
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