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Decorating platinum (Pt) with a single atom offers a promising approach to tailoring their catalytic activity. In this study, for the first time, an innovative assistive active sites (AAS) strategy is proposed to construct high–loading (3.46wt.%) single Fe─N4 as AAS, which are further hybridized with small Pt nanoparticles to enhance both oxygen reduction reaction (ORR) and methanol oxidation reaction...
Currently, the rarity and high cost of platinum (Pt)‐based electrocatalysts seriously limit their commercial application in fuel cells cathode. Decorating Pt with atomically dispersed metal–nitrogen sites possibly offers an effective pathway to synergy tailor their catalytic activity and stability. Here active and stable oxygen reduction reaction (ORR) electrocatalysts (Pt3Ni@Ni–N4–C) by in situ loading...
Infected Tissue Regeneration
In article number 2205941, Xibo Pei, Jian Wang, and co‐workers report a silver nanoparticle (AgNPs) modified metal‐organic‐framework nanosystem (AgNPs@MOFs) with enhanced photodynamic efficiency and chemotherapy ability for infected tissue regeneration. The photodynamic performance under visible light disrupts bacteria translation process. The chemotherapy process causes...
The precise regulation of interactions of specific immunological components is crucial for controllable immunomodulation, yet it remains a great challenge. With the assistance of advanced computer design, programmable nucleic acid nanotechnology enables the customization of synthetic nucleic acid nanodevices with unprecedented geometrical and functional precision, which have shown promising potential...
Drug‐resistant bacterial infection impairs tissue regeneration and is a challenging clinical problem. Metal–organic frameworks (MOFs)‐based photodynamic therapy (PDT) opens up a new era for antibiotic‐free infection treatment. However, the MOF‐based PDT normally encounters limited photon absorbance under visible light and notorious recombination of photogenerated holes and electrons, which significantly...
Atomically dispersed metal catalysts often exhibit high catalytic performances, but the metal loading density must be kept low to avoid the formation of metal nanoparticles, making it difficult to improve the overall activity. Diverse strategies based on creating more anchoring sites (ASs) have been adopted to elevate the loading density. One problem of such traditional methods is that the single...
Single‐Atom Catalysts
The low loading of single‐atom catalysts makes it difficult to improve their overall activity. In article number 2200073, Ang Li, Erjun Kan, Li Song, Jinlong Gong, and co‐workers report a chemical scissors strategy to saturate the anchoring sites for single atoms, which elevates the loading of Pd single atoms even on bare substrate with only a few anchoring sites.
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