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Ultrastable Potassium‐Ion Storage
In article number 2300046, Hsing‐Yu Tuan and co‐workers propose a Cu3BiS3 anode material with a self‐healing mechanism for potassium ion storage devices, which shows an electrochemical reconstruction of phase reversibility and morphological reversibility.
Fluorescent polymer particles have witnessed an increasing interest in recent years, owing to their fascinating physicochemical properties as well as wide‐ranging applications. In this review, the state‐of‐the‐art research progress of fluorescent polymer particles in the past five years is summarized. First, the synthesis protocols for fluorescent polymer particles, including emulsion polymerization,...
The formation of nanoaggregates makes a great difference to the improvement of photodynamic therapy (PDT) performance to some extent, but constructing stable aggregates with a clear structure is simultaneously a big challenge for us. Herein, just by electrostatic interaction, cationic 2PAHs and anionic FBA351, regarded as acceptor (A) and donor (D), respectively, are utilized to prepare stable aggregate...
Carbon dots (CDs) are a new class of nanoparticles that gained widespread attention recently because of their easy preparation, water solubility, biocompatibility, and bright luminescence, leading to their integration in various applications. Despite their nm‐scale and proven electron transfer capabilities, the solid‐state electron transport (ETp) across single CDs was never explored. Here, a molecular...
Cerium‐Based Metal–Organic Framework Nanosheets
In article number 2300597, Liang Zhao and co‐workers construct a 3D layered Ce–metal–organic framework (MOF) by rational chloride‐capped metal nodes design and structure‐directed morphology control. The obtained layered MOF can be easily exfoliated into ultrathin 2D monolayer MOF nanosheet, exhibiting excellent performance for the selective oxidation...
The introduction of structural complexity to nanoparticles brings them interesting properties. Regularity breaking has been challenging in the chemical synthesis of nanoparticles. Most reported chemical methods for synthesizing irregular nanoparticles are complicated and laborious, largely hindering the exploration of structural irregularity in nanoscience. In this study, the authors have combined...
Bitten Gold Nanoparticles
Unprecedented bitten gold nanoparticles are produced through a combination of seed‐mediated growth and chemical etching. Each nanoparticle has an irregular nanocavity on it. The presence of an irregular nanocavity causes the bitten gold nanoparticles to exhibit strong single‐particle chiroptical responses. More details can be found in article number 2301476 by Jianfang Wang...
In optimizing perovskites with ionic liquid (IL), the comparative study on Lewis acid‐base (LAB) and hydrogen‐bonding (HB) interactions between IL and perovskite is lacking. Herein, methyl is substituted for hydrogen on 2‐position of imidazolium ring of N‐heterocyclic carbene (NHC) type IL IdH to weaken HB interactions, and the resulting N‐heterocyclic olefin (NHO) type IL IdMe with softer Lewis base...
Synthesis of high quality colloidal Cerium(III) doped yttrium aluminum garnet (Y3Al5O12:Ce3+, “YAG:Ce”) nanoparticles (NPs) meeting simultaneously both ultra‐small size and high photoluminescence (PL) performance is challenging, as generally a particle size/PL trade‐off has been observed for this type of nanomaterials. The glycothermal route is capable to yield ultra‐fine crystalline colloidal YAG:Ce...
Second harmonic generation (SHG) of 2D crystals has been of great interest due to its advantages of phase‐matching and easy integration into nanophotonic devices. However, the polarization‐dependence character of the SHG signal makes it highly troublesome but necessary to match the laser polarization orientation relative to the crystal, thus achieving the maximum polarized SHG intensity. Here, it...
Replacing electrocatalytic oxygen evolution reaction (OER) with amine oxidation reaction is adopted to boost clean and environment‐friendly energy source hydrogen (H2) in water. However, the electrocatalytic reaction is severely restricted by the strong adsorption of product on the catalyst surface. Inspired by the cooperation of flavin adenine dinucleotide and mitochondria membrane in biological...
Uranium extraction from natural seawater is one of the most promising routes to address the shortage of uranium resources. By combination of ligand complexation and photocatalytic reduction, porous framework‐based photocatalysts have been widely applied to uranium enrichment. However, their practical applicability is limited by poor photocatalytic activity and low adsorption capacity. Herein, atomically...
Surface modification of electrocatalysts to obtain new or improved electrocatalytic performance is currently the main strategy for designing advanced nanocatalysts. In this work, highly dispersed amorphous molybdenum trisulfide‐anchored Platinum nanodendrites (denoted as Pt‐a‐MoS3 NDs) are developed as efficient hydrogen evolution electrocatalysts. The formation mechanism of spontaneous in situ polymerization...
Effectively interfering energy metabolism in tumor cells and simultaneously activating the in vivo immune system to perform immune attacks are meaningful for tumor treatment. However, precisely targeted therapy is still a huge challenge. Herein, a mitochondrial‐targeting phototheranostic system, FE‐T nanoparticles (FE‐T NPs) are developed to damage mitochondria in tumor cells and change the tumor...
Polycrystalline boron‐doped diamond is a promising material for high‐power aqueous electrochemical applications in bioanalytics, catalysis, and energy storage. The chemical vapor deposition (CVD) process of diamond formation and doping is totally diversified by using high kinetic energies of deuterium substituting habitually applied hydrogen. The high concentration of deuterium in plasma induces atomic...
The unique properties of self‐healing materials hold great potential in battery systems, which can exhibit excellent deformability and return to its original shape after cycling. Herein, a Cu3BiS3 anode material with self‐healing mechanisms is proposed for use in ultrastable potassium‐ion battery (PIB) and potassium‐ion hybrid capacitor (PIHC). Different from the binder design, Cu3BiS3 anode can exhibit...
DNA origami molds allow a shape‐controlled growth of metallic nanoparticles. So far, this approach is limited to gold and silver. Here, the fabrication of linear palladium nanostructures with controlled lengths and patterns is demonstrated. To obtain nucleation centers for a seeded growth, a synthesis procedure of palladium nanoparticles (PdNPs) using Bis(p‐sulfonatophenyl)phenylphosphine (BSPP) both...
Solution‐processable conducting polymers (CPs) are a compelling alternative to inorganic counterparts because of their potential for tuning chemical properties and creating flexible organic electronics. CPs, which typically comprise either only an electron donor (D) or its alternative combinations with an electron acceptor (A), exhibit charge transfer behavior between the units, resulting in an electrical...
Selective hydrogenation is one of the most important reactions in fine chemical industry, and the activation of H2 is the key step for hydrogenation. Catalysts play a critical role in selective hydrogenation, and some single‐atom catalysts (SACs) are highly capable of activating H2 in selective hydrogenation by virtue of the maximized atom utilization and the highly uniform active sites. Therefore,...
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