Know What's Happening in Nanotech
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Graphene 'nano‑aquariums' capture atomic‑scale videos of gold atoms in liquid
Scientists at the University of Manchester have engineered graphene‑based nano‑aquariums that seal attoliter‑scale liquid pockets between atom‑thin sheets, enabling transmission electron microscopy to film individual gold atoms moving in liquid. The technique works across a broad range of organic solvents, overcoming the vacuum requirement that previously limited liquid‑phase imaging.
Researchers demonstrated a fully printed zinc‑silver (Zn‑Ag) battery paired with a hierarchical pressure sensor using screen‑printing technology. A mild ZnCl2 electrolyte curtails cathode dissolution, boosting battery stability, while the sensor’s multi‑scale structure delivers a record‑high sensitivity of 413.03 kPa⁻¹. The two components operate independently yet integrate seamlessly, enabling gesture‑based monitoring on flexible wearables. This approach promises low‑cost, high‑throughput manufacturing of monolithic wearable electronics.
Researchers introduced tunable oxygen defects into graphitic carbon nitride (g‑C₃N₄) via a one‑step co‑calcination process, creating a metal‑free piezoelectric catalyst that converts mechanical energy into hydrogen peroxide. The optimized material, designated CN‑40, achieves a H₂O₂ production rate of 671 µmol g⁻¹ h⁻¹, roughly...
The review highlights integrated single‑atom and cluster catalysts (ISACCs) as a breakthrough for electrocatalytic hydrogen technologies. By coupling atom‑level precision with multi‑site reactivity, ISACCs dramatically improve the kinetics of HER, OER, ORR and HOR while cutting dependence on scarce platinum‑group...
Researchers engineered a Ru nanoparticle‑decorated ZIF‑67 framework (RuNP/ZIF‑67) that reshapes cobalt oxidation states and boosts spin density, inducing ferromagnetism. The magnetic catalyst, tested under a 240 mT field, cuts the hydrogen evolution reaction overpotential from 68 mV to 51 mV and the oxygen...
The study introduces a non‑thermal, ultrashort pulsed laser annealing technique that selectively modifies CVD‑grown MoS2 thin films at fluences below 12 mJ cm⁻², well under the damage threshold. High‑overlap laser scanning on SiO₂‑Si substrates converts amorphous regions to crystalline MoS2, as confirmed...
Researchers have developed a gallium‑assisted method to directly grow free‑standing CsPbBr3 nanowires, allowing easy transfer onto any substrate. The transferred nanowires act as high‑Q optical cavities, achieving single‑mode lasing with a polarization ratio of 0.908. Integrated photodetectors based on these...
Flexible thermoelectric generators (F-TEGs) are emerging as a viable route to harvest low‑grade heat from both flat and irregular surfaces. The review highlights stress engineering as a pivotal technique to reconcile the long‑standing trade‑off between thermoelectric efficiency and mechanical pliability....
Researchers have engineered a cerium‑based metal‑organic framework (Ce‑MOF) loaded with DNA hairpins that responds to intracellular APE1 and miRNA‑21. The dual activation triggers a hybridization chain reaction, producing a Cy3‑Cy5 FRET signal for spatiotemporal imaging of miRNA expression in living...
Researchers applied a vacancy‑filling strategy to selectively occupy 4d sites in Heusler alloys, creating an energy gap between occupied t2g and empty eg states while dramatically reducing lattice thermal conductivity to 2.77 W·m⁻¹·K⁻¹ at room temperature. The TiFeₓCoᵧSb system, constrained by...
Researchers have created an ultrathin passive daytime radiative cooling (PDRC) coating using a polymer‑particle co‑design approach. By matching functional‑group resonances and applying Lorenz‑Mie scattering theory to size particles, the coating reaches 93.8 % solar reflectance and 97.1 % mid‑infrared emissivity. The film...
Dynamic therapy, a ROS‑driven cancer treatment, is gaining traction for its high efficacy and low systemic toxicity. Recent nanoengineering advances focus on redesigning sensitizer nanostructures, deploying sophisticated nanocarriers, and modulating the tumor microenvironment to boost reactive oxygen species production. The...
Researchers have introduced a zirconium‑based metal‑organic framework (Zr‑DMSA) functionalized with thiol groups that captures lead(II) ions from water with high efficiency. The material leverages mixed sulfur/oxygen chelation via flexible dangling ligands, as confirmed by solid‑state NMR and pair‑distribution function analyses....
Researchers demonstrate that surface‑functionalized carbon‑fiber electrodes combined with electrospun polymer nanofiber separators can substantially boost the performance of structural supercapacitors. The triboelectric effect at the carbon‑fiber/separator interface generates additional charge, while a hybrid piezo‑triboelectric layer further raises voltage and specific...
Researchers have developed a fluorine‑free, barium carbonate‑functionalized reduced graphene oxide (FBC‑rGO) coating that exhibits superhydrophobic (water contact angle >154°) and superoleophilic properties, enabling rapid oil uptake of 15‑65 g per gram and >97% separation efficiency. The coating’s hierarchical sea‑urchin‑like nanostructure stabilizes...
The review outlines how atomic layer deposition (ALD) can be engineered to access metastable material phases, focusing on structural polymorphs and multivalence states. It details strategies such as temperature modulation, substrate lattice matching, grain‑size control, doping, solid‑solution formation, and precursor...
Researchers examined solid polymer electrolytes (SPEs) based on PVDF‑HFP incorporating LiFSI, LiTFSI, and a 1:1 binary mixture. They found that salt polarity and Lewis basicity dictate dehydrofluorination, crystallinity, and charge density, directly influencing ionic conductivity and mechanical robustness. The binary...
Researchers have engineered a NiFe/NiMo heterojunction catalyst that delivers exceptional bifunctional performance in alkaline water electrolysis. The material achieves 100 mA cm⁻² at only 99 mV overpotential for the hydrogen evolution reaction (HER) and 233 mV for the oxygen evolution reaction (OER). Free molybdate...
MIT researchers have demonstrated a 4 × 4 superconducting nanowire memory array that operates at 1.3 K and delivers a bit‑error rate of roughly 10⁻⁵, a ten‑fold improvement over earlier designs. The cell architecture combines temperature‑dependent switches with a kinetic inductor, enabling precise...
A team led by KAIST professor Yongsoo Yang used liquid‑helium‑cooled 4D‑STEM to directly image charge‑density‑wave (CDW) amplitude in 2H‑NbSe₂ across its phase transition. The nanoscale maps reveal that CDW strength is highly inhomogeneous, with regions of strong order interspersed with...
Graphene Connect 2026, a virtual conference hosted on the TechBlick platform, will take place March 11‑12, bringing together industry leaders, researchers, and innovators in graphene and 2D materials. The two‑day program includes deep technical sessions on industrial‑scale production, standards, energy...
Researchers have demonstrated that blending graphene oxide with common amino acids and heating the mixture in a conventional furnace produces a highly conductive form of reduced graphene oxide (C‑rGO). The combustion of the amino acids supplies sufficient heat to graphitize...
UCLA researchers have identified metallic theta‑phase tantalum nitride (θ‑TaN) as the most thermally conductive metal ever measured, achieving roughly 1,100 W m⁻¹ K⁻¹—about three times copper’s performance. The breakthrough was confirmed with ultrafast optical spectroscopy, X‑ray scattering, and theoretical modeling that reveal unusually...
The agrochemical sector is turning to green nanotechnology to create eco‑friendly pesticides and fertilizers. Researchers report that nano‑encapsulation can cut active ingredient use by up to 70% while maintaining pest control efficacy. Biodegradable nanomaterials ensure rapid breakdown, minimizing soil residues...
Researchers at Rice University have shown that Thomas Edison’s 1879 carbon‑filament light bulbs likely generated turbostratic graphene through flash Joule heating. By applying a 110‑volt DC pulse for just 20 seconds, the carbon filaments reached 2,000‑3,000 °C, a temperature regime known...
Researchers introduced a thin taurine interlayer between tin‑oxide electron‑transport layers and perovskite absorbers, dramatically slowing oxygen‑induced decay. The antioxidant quenches superoxide radicals, regenerates via a peroxide cycle, and reduces interfacial trap density, enabling 97% efficiency retention after 450 h at 65 °C....
An international team led by Prof. Dr. Sedat Nizamoğlu at Koç University has created an ultra‑thin, wireless retinal implant that uses a photovoltaic nano‑assembly to convert near‑infrared light into precise electrical stimulation. The device operates at light intensities far below...
A UNIST research team unveiled a one‑step synthesis that directly intercalates up to 42 different metal cations into layered‑titanate nanostructures. The proton‑rich H‑LT precursor exchanges its H⁺ ions for a broad spectrum of metals, from alkali to rare‑earth elements, without...
Researchers at the Chinese Academy of Sciences have created a metal‑organic framework (MOF) that simultaneously removes fluoride ions from water and emits a visible fluorescence signal. By engineering interfacial water to expose specific crystal facets, the dual‑metal La/Fe‑MOF achieves high...
Researchers at Stony Brook University have introduced a quantum‑mechanical framework that accurately models nanocapacitors, overcoming the failures of conventional physics at the nanoscale. The method cleanly separates electrode and dielectric contributions, establishing fundamental size limits and enabling first‑principles evaluation of...
Researchers at Kyushu University demonstrated that inserting a 0.3 nm gadolinium layer into a Pt/Co/Ni stack dramatically enhances spin‑orbit torque, enabling magnetic skyrmions to move faster with lower electrical currents. The engineered Pt/Gd/Co/Ni multilayer preserved skyrmion stability while shifting the balance...
The study introduces DNA‑stabilized silver nanoclusters (DNA640) that emit anti‑Stokes fluorescence via hot‑band absorption, encapsulated in cationic mesoporous silica nanoparticles and coated with liposomes for enhanced brightness and chloride resistance. Using adeno‑associated virus‑driven albumin‑mNeonGreen to label mouse cerebrovasculature, researchers combined...
Researchers engineered a flower‑like nitrogen‑doped carbon framework to confine nickel species, enabling coexistence of Ni‑N‑C sites and size‑controlled Ni nanoparticles. Moderate Ni loading (0.2–1 mmol) stabilized small particles, delivering a CO faradaic efficiency of ~90% at –1.0 V vs RHE and maintaining...
Researchers synthesized binary alloy nanosheets W1‑xNb xS2 and Mo1‑xNb xS2 via colloidal routes, achieving uniform atomic mixing across the full composition range. Incorporating niobium transforms the semiconducting WS2 and MoS2 into a more metallic phase, which DFT calculations confirm. In...
Researchers have demonstrated deterministic control of in‑plane flexoelectric polarization in epitaxial LaAlO₃ thin films by engineering oxygen‑vacancy gradients. Electrically written vacancy‑rich lines induce localized lattice expansion, generating converging strain gradients that produce a strong shear‑type electromechanical response observed via lateral...
Researchers have introduced a scalable method that uses expanded graphite micro‑containers to confine carbon and nitrogen precursors, enabling rapid in situ growth of nitrogen‑doped carbon nanotubes (N/CNTs). The confined environment supplies sufficient carbon/nitrogen locally, achieving a high yield (>14%) and...
Manganese metal anodes promise higher capacity and a lower redox potential than zinc, positioning them as a next‑generation battery candidate. However, rapid hydrogen evolution, corrosion, and dendritic growth have limited practical deployment. Recent research highlights concentrated aqueous electrolytes, halogen‑mediated non‑aqueous...
Researchers introduced a Multi‑layered Organic‑based Liquid Encapsulation (MOLE) that merges amine‑functionalized silicone elastomer with Parylene‑C to protect implantable bioelectronics. The outer silicone layer, infused with silicone oil, cuts protein adsorption to under 1% and repels biofilm formation. MOLE delivers an...
Researchers unveiled a multilayer stretchable microelectrode array patch (MEAP‑S) that combines photolithographically patterned gold electrodes with an ultrathin SEBS dielectric. The device delivers conductivity above 10^5 S m⁻¹, stretches up to 100 % strain, and packs 100 channels per cm² while suppressing crosstalk....
Researchers introduced 3,3-difluoropyrrolidine hydrochloride (GOSO-005), a fluorinated dipolar molecule, to neutralize positively charged defects in organic‑inorganic perovskites. The dipole‑charge interaction reduces electron‑trapping radius, enhancing charge transport and suppressing Shockley‑Read‑Hall recombination. Devices incorporating GOSO-005 achieved a certified power conversion efficiency of...
Researchers have engineered a mitochondria‑targeted nanocatalyst, Co‑SA‑TPP@CQ, that couples cobalt single‑atom catalysis with triphenylphosphine localization and chloroquine co‑delivery. Once inside tumor mitochondria, the catalyst produces superoxide anions and oxygen, disrupting the electron transport chain and creating a self‑sustaining oxidative‑stress amplification...
Researchers introduced percolative graphite (PG), a moderate‑surface‑area conductive additive, to address the insulating nature of MnO2 in rechargeable alkaline Zn–MnO2 batteries. By replacing large amounts of low‑surface‑area graphite or reactive nanocarbons, PG forms an effective conductive network while maintaining high...
Researchers have engineered lipase‑activated nanomotors that generate their own chemical gradients to drive motion in ion‑rich aqueous environments. By hydrolyzing acylated dextran, the motors release carboxylate fragments that accumulate at the particle interface, creating localized concentration differences that propel the...
Researchers have engineered a D‑π‑A‑π‑D small molecule, XSOTA, that exhibits hybridized local and charge‑transfer (HLCT) excited‑state behavior. This HLCT architecture delivers an exceptional fluorescence quantum yield of 89.2% and a reactive oxygen species (ROS) generation efficiency of 56.3%. When formulated...
Researchers have engineered an oral hydrogel, PMC@Gel, that co‑encapsulates a Pt/Mn3O4 nanozyme and curcumin to treat radiation‑induced intestinal injury. The nanozyme provides catalase‑ and SOD‑like activity, rapidly scavenging reactive oxygen species, while curcumin restores autophagy and modulates inflammation. The pH‑responsive...
Researchers synthesized a novel octanuclear nickel(II) double cubane cluster using a Schiff‑base ligand and confirmed its structure by single‑crystal X‑ray diffraction. When immobilized on activated carbon cloth (CC‑3), the catalyst achieved a low OER overpotential of 290 mV at 10 mA cm⁻² in...
Researchers introduced a van der Waals (vdW) wrapping strategy to build a (SnS)1.15TaS2 superlattice that combines puckered SnS layers with conductive 1H‑TaS2. The architecture stabilizes the structure, accelerates charge‑transfer kinetics, and preserves atomically smooth ion‑transport channels. In capacitive deionization tests...
A monolithic acoustic droplet centrifuge array (SAWA) integrates nine miniaturized units on a 13 cm² chip, using a single surface‑acoustic‑wave activation to spin and analyze droplets in parallel. The platform enriches tumor cells and trace microRNAs within droplets, boosting fluorescence signal...
A combined genetic algorithm and machine‑learning workflow was applied to metal‑carbon nanocomposites, optimizing five synthesis variables across three evolutionary generations. The approach more than tripled the enhanced absorption bandwidth, raising it from 1.24 GHz to 4.08 GHz, while pushing the minimum reflection...
Researchers engineered tellurium vacancies in ultrathin Bi2Te3 films to create a multifunctional optoelectronic synapse. The defect‑engineered device achieves a record‑low energy consumption of 37.2 fJ per spike and exhibits 191.7% paired‑pulse facilitation. Demonstrations include 93.3% facial‑recognition accuracy, 86.7% urban‑traffic segmentation, optical...
Researchers have developed a heavy‑metal‑free liquid scintillator using ZnSeTe core‑shell quantum dots combined with the energy‑transfer donor PPO. By tuning the Te/Se ratio and applying halogen surface passivation, the QDs achieve a blue emission with a light yield of 11,222...
