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Core–Shell Microcapsules
Nanoparticle‐empowered core‐shell capsules, inspired by cell compartments, enable storage and on‐demand delivery of diverse functions. In article number 2311897, Wenle Li and co‐workers provide a critical overview of recent progress and future directions in this field, highlighting the programmable functionalities achieved through spatially organized nanofeatures.
Compartmentalization is a powerful concept to integrate multiscale components with diverse functionalities into miniature architectures. Inspired by evolution‐optimized cell compartments, synthetic core–shell capsules enable storage of actives and on‐demand delivery of programmed functions, driving scientific progress across various fields including adaptive materials, sustainable electronics, soft...
Triboelectric Nanogenerator (TENG) has proven highly effective in converting mechanical energy into electrical energy. Previous research on manipulating microstructure for performance enhancement primarily focused on the surface of TENGs. In this study, an innovative bottom–up strategic design to control the internal nano‐architecture for the enhanced output of TENG is proposed. This multiscale structural...
A new form of pancake bouncing is discovered in this work when a droplet impacts onto micro‐structured superhydrophobic surfaces in an environment pressure less than 2 kPa, and an unprecedented reduction of contact time by ≈85% is obtained. The mechanisms of forming this unique phenomenon are examined by combining experimental observation, numeical modelling and an improved theoretical model for the...
Exploring covalent triazine frameworks (CTFs) with high capacitative activity is highly desirable and challenging. Herein, the S‐rich CTFs cathode is pioneeringly introduced in Zn‐ion hybrid supercapacitors (ZSC), achieving outstanding capacity and energy density, and satisfactory anti‐freezing flexibility. Specifically, the S‐bridged CTFs are synthesized by a bifunctional template‐catalytic strategy,...
A crystalline porous bipyridine‐based Bpy‐COF with a high BET surface area (1864 m2 g−1) and uniform mesopore (4.0 nm) is successfully synthesized from 1,3,5‐tris‐(4’‐formyl‐biphenyl‐4‐yl)triazine and 5,5'‐diamino‐2,2'‐bipyridine via a solvothermal method. After Cu(I)‐loading, the resultant Cu(I)‐Bpy‐COF remained the ordered porous structure with evenly distributed Cu(I) ions at a single‐atom level...
Intervertebral disc degeneration (IVDD) is a significant contributor to low back pain, characterized by excessive reactive oxygen species generation and inflammation‐induced pyroptosis. Unfortunately, there are currently no specific molecules or materials available to effectively delay IVDD. This study develops a multifunctional full name of PG@Cu nanoparticle network (PG@Cu). A designed pentapeptide,...
Intervertebral Disc Degeneration
In article number 2308167, Pooyan Makvandi, Yunlong Zhou, Aimin Wu, and co‐workers prepared a multifunctional metal polyphenol nanoparticle that exhibited the ability to escape lysosomal capture and effectively targeted mitochondria to scavenge excess reactive oxygen species. The results of in vitro and in vivo experiments showed that the nanoparticles retarded disc...
The Sabatier principle defines the essential criteria for an ideal catalyst in heterogeneous catalysis, while reaching the Sabatier optimum is still challenging in catalyst design. Herein, an elegant strategy is described to reach the Sabatier optimum of Ni electrocatalyst in CO2 reduction reaction (CO2RR) by atomically Zn doping. The incorporation of 3% Zn single atom into Ni lattice leads to the...
Peptide assemblies are promising nanomaterials, with their properties and technological applications being highly hinged on their supramolecular architectures. Here, how changing the chirality of the terminal charged residues of an amphiphilic hexapeptide sequence Ac‐I4K2‐NH2 gives rise to distinct nanostructures and supramolecular handedness is reported. Microscopic imaging and neutron scattering...
Peptide Supramolecular Handedness
In article number 2304424, Hai Xu, Jun Yang, Jiqian Wang, and co‐workers report how changing the chirality of the terminal charged residues of an amphiphilic hexapeptide sequence Ac‐I4K2‐NH2 gives rise to distinct nanostructures and supramolecular handedness. The formation of wide nanotubes arises from the co‐assembly of right‐ and left‐handed β‐strands while thin,...
The use of poly(1,3‐dioxolane) (PDOL) electrolyte for lithium batteries has gained attention due to its high ionic conductivity, low cost, and potential for large‐scale applications. However, its compatibility with Li metal needs improvement to build a stable solid electrolyte interface (SEI) toward metallic Li anode for practical lithium batteries. To address this concern, this study utilized a simple...
Bimetallic layered double hydroxides (LDHs) are promising catalysts for anodic oxygen evolution reaction (OER) in alkaline media. Despite good stability, NiCo LDH displays an unsatisfactory OER activity relative to the most robust NiFe LDH and CoFe LDH. Herein, a novel NiCo LDH electrocatalyst modified with single‐atom silver grown on carbon cloth (AgSA‐NiCo LDH/CC) that exhibits exceptional OER activity...
Solid‐state lithium–sulfur batteries (SSLSBs) have attracted tremendous research interest due to their large theoretical energy density and high safety, which are highly important indicators for the development of next‐generation energy storage devices. Particularly, safety and “shuttle effect” issues originating from volatile and flammable liquid organic electrolytes can be fully mitigated by switching...
Lithium‐rich layered oxide (LRLO) materials have attracted significant attention due to their high specific capacity, low cost, and environmental friendliness. However, owing to its unique capacity activation mechanism, the release of lattice oxygen during the first charge process leads to a series of problems, such as severe voltage decay, poor cycle stability, and poor rate performance. Herein,...
Ammonia (NH3) is a promising hydrogen (H2) carrier for future carbon‐free energy systems, due to its high hydrogen content and easiness to be liquefied. Inexpensive and efficient catalysts for ammonia electro‐oxidation reaction (AOR) are desired in whole ammonia‐based energy systems. In this work, ultrasmall delafossite (CuFeO2) polyhedrons with exposed high‐index facets are prepared by a one‐step...
Atomically dispersed nitrogen‐coordinated 3d transition‐metal site on carbon support (M‐NC) are promising alternatives to Pt group metal‐based catalysts toward oxygen reduction reaction (ORR). However, despite the excellent activities of most of M‐NC catalysts, such as Fe‐NC, Co‐NC et al., their durability is far from satisfactory due to Fenton reaction. Herein, this work reports a novel Si‐doped...
The pursuit of single‐assembled molecular cage reactors for complex tandem reactions is a long‐standing target in biomimetic catalysis but still a grand challenge. Herein, nanozyme‐like organic cages are reported by engineering air‐stable radicals into the skeleton upon photoinduced electron transfer. The generation of radicals is accompanied by single‐crystal structural transformation and exhibits...
Exploiting active and stable non‐precious metal electrocatalysts for alkaline hydrogen evolution reaction (HER) at large current density plays a key role in realizing large‐scale industrial hydrogen generation. Herein, a self‐supported microporous Ni(OH)x/Ni3S2 heterostructure electrocatalyst on nickel foam (Ni(OH)x/Ni3S2/NF) that possesses super‐hydrophilic property through an electrochemical process...
Chemical communication via neurotransmitters is central to brain functions. Nevertheless, in vivo real‐time monitoring of neurotransmitters released in the brain, especially the electrochemically inactive molecules, remains a great challenge. In this work, a novel needle field‐effect transistor (FET) microsensor based on an acupuncture needle is proposed, which is demonstrated to be capable of real‐time...
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