Researchers have created charged nanoporous 2D nanosheet membranes that selectively separate silver ions from other metals in waste electronics leachates. The membranes show unprecedented Ag selectivity, rapid separation within two minutes, and rare stability in acidic conditions. They also reveal intra‑ and inter‑lamellar ion transport pathways, including a lead‑specific route. Potential application in recycling silver from WEEE, especially solar panels, is demonstrated.
Researchers have engineered chitosan‑based hydrogel dressings that combine dynamic covalent and non‑covalent cross‑linking to deliver self‑healing, hemostatic, and antimicrobial functions. These smart hydrogels can release therapeutics on demand and respond to pH, temperature, or glucose cues, making them suitable for...
Researchers introduced a dual‑functional CuP/CoF catalyst that maintains over 1000 hours of stable operation in anion‑exchange membrane electrolyzers, achieving 81.2% faradaic efficiency for nitrate‑to‑ammonia conversion at –0.3 V vs. RHE. Coupled with >25%‑efficient silicon PV modules, the integrated PV‑EC system produced ammonia...
Researchers have demonstrated an electrochemical technique that unzips carbon nanotubes into graphene stacks within a molten CaCl2‑NaCl salt. The melt temperature governs the resulting architecture, producing few‑layer turbostratic graphene below 850 °C and Bernal‑type graphite above 900 °C, both with ultralow defect...
Researchers examined epitaxially grown Ni‑Mn‑Ga magnetic shape memory films to reveal how finite dimensions influence ferroelastic martensite microstructures. By comparing constrained (substrate‑bound) and freestanding micro‑patterns, they showed that both retain the variant distribution of the continuous film. Film thickness emerged...
Atomic force microscopy (AFM) is emerging as a versatile platform for probing and manipulating the nanomechanics of one‑ and two‑dimensional materials. The review details AFM‑based techniques that quantify elastic modulus, strength, adhesion, friction, superlubricity and fatigue with piconewton force sensitivity...
Researchers have boosted interfacial electron transfer in CdS/TiO2 S‑scheme heterojunctions by engineering oxygen‑vacancy trap states on fluorine‑doped TiO2 surfaces. In‑situ soft X‑ray absorption and femtosecond transient absorption spectroscopy revealed an ultrafast, trap‑assisted charge‑migration pathway that extends carrier lifetimes and suppresses...
Researchers introduced a molecular engineering approach to create multifunctional electrolyte additives that stabilize zinc metal anodes. By screening twenty functionalized amino acids, they designed N‑Glycyl‑L‑tyrosine (GT), which merges glycine’s carboxyl group and tyrosine’s phenolic hydroxyl and carbonyl groups. GT coordinates...
Researchers have fabricated a freestanding 12 nm MoSiN nanocomposite membrane that combines intermetallic and dielectric phases to act as an efficient mid‑infrared emitter. The membrane exhibits metal‑like emissivity of 0.41 and retains structural integrity at temperatures up to 900 °C, while its...
Researchers have shown that incorporating cesium ions into the layered perovskite derivative (C4H14N2S2)2Cs2InCl9 triggers a structural “domino effect” that breaks lattice symmetry. This asymmetry creates two inequivalent indium chloride octahedra, which, when doped with antimony (Sb3+), produce ultra‑broadband visible photoluminescence...
Researchers demonstrated that ~25 nm polyacrylic acid‑coated MnO₂ nanoparticles can rapidly penetrate barley leaves through stomata when applied as a foliar spray. Within two hours the particles dissolve, releasing Mn²⁺ that restores photosynthetic efficiency in Mn‑deficient plants without causing phytotoxicity, even...
Researchers introduced a cavitated carbon particle (CCP) support for gold catalysts by exploiting interfacial instability in block‑copolymer particles. The resulting Au/CCP features ~130 nm internal cavities that concentrate OH⁻ ions, creating a locally alkaline microenvironment even when the bulk electrolyte is...
Researchers engineered a nerve guidance conduit (NGC) by coating electrospun polycaprolactone (PCL) nanofibers with endothelial cell‑derived matrix (ECd). The ECd@PCL scaffold provides oriented physical cues and bioactive signals that boost axonal extension in PC12 cells and improve intercellular communication in...
Researchers combined operando X‑ray photoelectron spectroscopy and infrared spectroscopy to map how CO₂ interacts with defective indium sulfide (In₂S₃) surfaces. Sulfur vacancies create electron‑rich indium sites that strongly adsorb CO₂, leading to sequential formation of *COOH and *CO intermediates under...
The review outlines the persistent adhesion challenges of thin‑film diamond coatings on non‑diamond substrates and details engineering approaches to overcome them. It highlights how thermal‑expansion mismatches, poor nucleation, and substrate degradation cause delamination. Strategies such as substrate roughening, interlayer insertion,...
Researchers have created an injectable, thermosensitive hydrogel (Bi2S3@Gel) loaded with bismuth sulfide nanorods that activates under near‑infrared light. The material delivers mild photothermal heating, amplifies reactive oxygen species, and depletes glutathione, achieving potent antibacterial action. At the same time, the...
Researchers introduced a photo‑induced electron capacitor (MKCN) by self‑assembling Ti3C2 MXene nanosheets with potassium‑ and strong‑base‑treated nitrogen‑rich carbon nitride (g‑C3N5). The hybrid functions as a dual‑electrode system where g‑C3N5 generates electrons and MXene captures them, enabling spatial charge separation and...
The research introduces glancing angle deposition (GLAD) to fabricate nanoporous La0.6Sr0.4Co0.2Fe0.8O3‑δ (LSCF) thin‑film cathodes for low‑temperature solid oxide fuel cells (LT‑SOFCs). By adjusting sputtering pressure and film thickness, the team achieved a nanocolumnar structure with 21.5% porosity, cutting polarization resistance...
Researchers developed a PVDF‑HFP‑based ionogel doped with various cations, achieving a thermopower of 23.7 mV K⁻¹ and a power density of 102.8 µW m⁻² K⁻². Precise temperature‑difference control induces a nonlinear temperature‑voltage response due to dynamic ion‑concentration reconstruction. An 18‑unit ionic thermoelectric device produced 2.09 V,...
Researchers are integrating stimulus‑responsive materials into perovskite solar cells to turn external stressors—light, heat, humidity—into stabilizing actions. These operando smart‑responsive layers dynamically adjust their physicochemical state, curbing ion migration and extending device lifetimes. The review outlines recent mechanisms, from reversible...
The study presents a confined tellurization technique that uses recyclable metal‑tellurium (M‑Te) alloys as controllable tellurium sources to grow wafer‑scale metal telluride (MxTey) films. Cohesive‑energy calculations and experiments identify Au‑Te and Ag‑Te alloys as optimal, delivering steady Te flux while...
Researchers have demonstrated atmospheric‑pressure chemical vapor deposition (APCVD) of large‑area Bi2O2Se nanosheets, achieving domain sizes up to 0.4 mm. The nanosheets exhibit high carrier mobility—110 cm² V⁻¹ s⁻¹ at room temperature and over 3700 cm² V⁻¹ s⁻¹ at 2.3 K—while maintaining structural integrity under repeated bending. Detailed experiments...
Researchers developed a ligand‑driven method to fine‑tune T2 relaxivity of 12 nm iron‑oxide nanoparticles for ultra‑high‑field MRI. By exchanging five surface coatings—PAA, PMA, PMAO, citric acid and silica—they achieved up to a 333 mm⁻¹ s⁻¹ increase in r₂, with citric‑acid‑coated particles reaching record...
Researchers have engineered a heterogeneous photocatalyst comprising a titanium‑dioxide core, an oxygen‑vacancy‑rich shell, and platinum nanoclusters. The Pt/TiO2@VO‑shell catalyst dramatically improves sunlight‑driven decarboxylation of L‑lysine, achieving 73.5% cadaverine selectivity and a productivity of 154.5 mM per gram, far surpassing conventional TiO2....
The review surveys how size, shape, composition, surface ligands, metal‑ion doping, temperature, and heterostructure engineering influence the excited‑state dynamics of lead halide perovskite nanocrystals. It contrasts these perovskite NCs with traditional chalcogenide quantum dots, highlighting distinct defect states and relaxation...
Researchers have engineered oxygen‑vacancy‑rich high‑entropy oxide nanozymes (Vo‑HEO) that mimic haloperoxidase activity to produce both hydroxyl radicals and long‑lived hypobromous acid (HOBr). The dual catalytic system delivers rapid oxidative damage at the surface while HOBr diffuses into bulk water, suppressing...
The research introduces a heteroatom‑tuned covalent organic framework (COF) strategy that dramatically boosts photocatalytic H2O2 synthesis. By incorporating sulfur atoms and optimizing linker geometry, the thiourea‑based COF‑127 delivers a record 6672 µmol g⁻¹ h⁻¹ production rate and an 11.03% apparent quantum yield without...
Researchers examined how the internal architecture of poly(N‑isopropylacrylamide) (PNIPAM) microgels affects Pickering foam formation. They found that microgels with a distinct core‑shell structure generate larger foam volumes, smaller bubbles, and higher liquid fractions compared with less‑structured particles. Faster interfacial adsorption...
Researchers introduced a chloride‑ion‑assisted etching technique to grow cobalt‑doped FeOOH porous nanosheets directly on iron foam, creating a high‑surface‑area anode for nickel‑iron batteries. The resulting electrode achieves an areal capacity of 1.4 mAh cm⁻² at 4 mA cm⁻² with 94 % coulombic efficiency over 1,000...
Researchers engineered palladium‑integrated indium oxide with abundant structural defects to create a high‑performance sonocatalyst for hepatocellular carcinoma. The Pd component provides catalase‑like and peroxidase‑like activities, relieving tumor hypoxia and increasing hydroxyl‑radical generation under ultrasound. This dual action triggers a synergistic...
Researchers have developed a multiscale Cu–Zn hybrid film that combines structured metal interfaces with polymer composites to achieve both high optical absorption and efficient heat transport. The electrodeposited Cu–Zn nanostructures form continuous thermal pathways along flake edges, delivering in‑plane thermal...
Researchers engineered Ti2COXClY MXene single‑atom catalysts to probe how mixed O and Cl surface terminations affect the oxygen reduction and evolution reactions. By systematically varying the O/Cl ratio on a Ti2C substrate, they demonstrated that the adsorption energy of the...
Researchers have developed an electronic confinement strategy that embeds ultrafine platinum nanoparticles within multilayer graphene enriched with localized electrons and encapsulated by cobalt particles. The Pt/Co@NC catalyst delivers a reaction rate of 33.1 mol p‑CAN gPt⁻¹ h⁻¹ and a turnover frequency of 6,449 h⁻¹ for...
Researchers employed an AI‑guided workflow to engineer pH‑ and redox‑responsive Lignin@GO@ZIF‑8 nanocarriers that co‑deliver 5‑fluorouracil and metformin for prostate cancer treatment. Machine‑learning models, particularly XGBoost trained on 500 formulation data points, achieved R² values of 0.86‑0.89 for predicting drug loading,...
Researchers demonstrated that an AgOx/SnSe2 memristor can toggle between digital and analog operation simply by varying the AgOx layer thickness. A 75 nm thick AgOx film produces abrupt, high‑contrast switching with an ON/OFF ratio above 10⁶, sub‑10 mV/dec subthreshold swing, and 5,000‑second...
Researchers engineered a nickel‑iron (NiFe) electrode with selective activation and structured geometry to control bubble dynamics in alkaline oxygen evolution. The device combines micromilling, PTFE coating, and electrodeposition, creating deactivated regions that channel electrolyte and guide bubbles unidirectionally. This design...
The study introduces Drop Impact Printing (DIP), a nozzle‑free method that deposits highly concentrated inks onto untreated porous substrates such as paper in a single pass. By ejecting microdroplets through a sieve‑impact mechanism, DIP limits lateral spread and solvent penetration,...
Researchers have developed titanium‑oxide nanoparticles functionalized with a mixed aromatic ligand shell containing benzoic acid and fluorobenzoic acid. The fluorinated mixed‑ligand design yields a characteristic particle size of 12 nm and achieves line‑width roughness (LWR) of about 1.3 nm in electron‑beam lithography...
Researchers have anchored isolated iodine atoms onto ultrathin graphitic carbon nitride (g‑C3N4), creating a single‑atom catalyst that stabilizes the material and accelerates in‑plane charge separation. The C‑I covalent bond acts as a direct hole‑transfer channel, while orbital hybridization with CO2...
Researchers introduced a two‑photon polymerization direct‑laser‑writing platform that fabricates microscale 3D cages to confine single mesenchymal stromal cells. The cages enable nanometer‑scale traction‑force measurements while independently controlling cell volume and shape. Experiments showed that pure 3D geometry triggers vertical actin...
The review evaluates how magnetron sputtering advances metallic thin‑film anodes for Li‑ion batteries, targeting three core barriers: slow Li‑ion kinetics, pronounced volume expansion, and low initial Coulombic efficiency (ICE). It details nanostructure engineering, hybridization, and alloying strategies applied to Si,...
A recent review spotlights confined‑channel membranes as a breakthrough for sustainable lithium extraction from aqueous sources, including low‑grade seawater. By engineering sub‑nanometer pathways, these membranes achieve high lithium selectivity through size exclusion, pore‑wall interactions, and specific chemical affinities. The paper...
Researchers demonstrated a triphenylmethane‑based molecular tripod that anchors a terminal alkyne upright on Au(111), creating a reactive center aligned with intense electric fields generated by an STM tip. Low‑temperature STM and tip‑enhanced Raman scattering (TERS) verified the vertical orientation and...
Researchers introduced a weak‑interaction‑driven self‑positioning strategy that enables multi‑site modification of n‑i‑p perovskite solar cells without extra deposition steps. Metal phthalocyanine modifiers dissociate during film formation, causing alkali metal ions to migrate to the SnO2/perovskite interface while ligands enrich the...
Researchers have demonstrated unsorted carbon nanotube (UCNT) transistors gated by an ion‑gel that achieve efficient conductance modulation without any sorting steps. The devices deliver an ON/OFF current ratio of about 25 and exhibit linear potentiation across 50 conductance states together...
Researchers Yugo Araújo Martins, Caroline Tapparel and colleagues introduced POSTAN, a lipid‑based nanoparticle that mimics heparan sulfate proteoglycans and viral lipid rafts. By exploiting the same entry pathways viruses use, POSTAN physically disrupts viral envelopes, halting replication. The platform showed...
Researchers demonstrated post‑growth hydrogen implantation to raise the bandgap of GaAsN core‑shell nanowires by up to 460 meV, a shift far beyond what is achievable in planar epilayers. The process forms nitrogen‑hydrogen complexes that push the bandgap toward the GaAs value...
Researchers report a straightforward thermal vacuum annealing process that uses bulk aluminum as an active oxygen getter to trigger a topotactic phase transition from perovskite to brownmillerite in epitaxial La0.7Sr0.3MnO3‑δ thin films. X‑ray diffraction confirms the structural conversion, while SQUID...