Photonic‑crystal light sail demonstrates 90% reflectivity for laser propulsion
Researchers have built a photonic‑crystal light sail (PCLS) using a three‑dielectric nanostructure of germanium pillars, air holes, and a polymer matrix. Simulations and electron‑beam fabricated prototypes show about 90 % reflectivity at a 1.2 µm wavelength and the ability to generate continuous thrust when illuminated by a 100‑kW laser.

Researchers have engineered a granzyme B‑mimic nanozyme that selectively attacks cancer cells by replicating the proteolytic activity of the immune‑system enzyme granzyme B. Laboratory tests show the nanozyme cleaves tumor‑specific membrane proteins, triggering apoptosis while sparing healthy tissue. In mouse models, a single dose reduced tumor volume by up to 70% with no observable systemic toxicity. The technology is produced via a scalable nanomaterial synthesis route, positioning it for rapid pre‑clinical development.
Researchers at the University of Osaka have engineered amphiphilic Janus nanoparticles that physically breach the outer membrane of drug‑resistant Gram‑negative bacteria. By creating pores, these two‑faced particles enable conventional antibiotics to enter cells and kill pathogens such as Escherichia coli...
Australian researchers at James Cook University and Flinders University have demonstrated a sustainable route to graphene by converting woody‑derived nanocellulose into bio‑char and then exfoliating it in a vortex fluidic device (VFD) using only water. The process operates at 500‑800 °C,...
Researchers introduced a multi‑crosslinked polyvinyl alcohol hydrogel reinforced with carboxylated cellulose nanofibers (MCPH) and blended it into thermoplastic polyurethane. The hydrogel supplies both hydration lubrication and reversible bonding that dissipates mechanical energy, dramatically improving the composite’s friction and damping behavior....
Researchers compared planar and stacked architectures for 2D perovskite thick‑film detectors targeting 5 MeV protons. The stacked configuration, featuring a vertical electric field, delivered superior charge collection, higher sensitivity, and stable, energy‑independent response across 3–5 MeV. Experiments spanning fluxes from 10⁸ to...
Researchers have created a customizable fluorescence platform using chiral polymer‑coated perovskite quantum dots (CsPbBr3@PAAR/PAAS). The system delivers quasi‑mirror symmetric emission, allowing naked‑eye discrimination of (R)- and (S)-2‑butanol enantiomers. The achiral counterpart (CsPbBr3@PAA) differentiates C1–C4 monohydric alcohols, sulfoxides, and formamides through...
The perspective outlines how Li2S‑based lithium‑sulfur batteries are reshaping cell design by tackling sulfur’s insulating nature and polysulfide shuttling. It highlights atomic‑level catalytic engineering, hierarchical carbon scaffolds, and electrolyte‑solvation co‑design as levers to activate Li2S and achieve reversible cycling. These...
Researchers have introduced a room‑temperature liquid NaK‑enabled alloy‑to‑alloy method to produce porous, multiphase Fe/Co/Ni magnetic electrocatalysts. The process avoids high‑temperature calcination and toxic etchants, delivering yields above 80 % and enabling solvent recovery. The resulting amorphous materials exhibit mesoporosity up to...
Researchers employed time‑resolved small‑angle X‑ray scattering (TR‑SAXS) to monitor polymerization‑induced self‑assembly (PISA) of liquid‑crystalline spherical micelles. The data reveal that nucleation occurs early and particle growth proceeds through a structural shift from interdigitated to non‑interdigitated core conformations, a shift governed...
Researchers engineered ultrafine high‑entropy nitride (HEN) nanoparticles that exploit elemental synergy to shift the d‑band center, accelerating *OH adsorption and desorption. Tungsten plays a pivotal role by reconstructing the electronic environment of the other metals. The resulting catalyst delivers an...
Researchers have introduced a bifunctional Cu‑Sn oxide catalyst that simultaneously drives nitrate reduction and glucose oxidation in a paired electrochemical cell. The catalyst delivers an NH₃ yield of 26.57 mg h⁻¹ cm⁻² with 85.3% Faradaic efficiency, while generating formate at 44.88 mg h⁻¹ cm⁻² and 81.8%...
Researchers employed a controlled partial‑reduction protocol to introduce oxygen vacancies into cobalt‑vanadium layered double hydroxides (CoV‑LDH). Density functional theory showed that these vacancies narrow the bandgap and increase electronic states near the Fermi level, boosting conductivity. Machine‑learning models linked synthesis...
Researchers at Nanjing University of Aeronautics and Astronautics have created a nanocomposite cellulose membrane for hydrovoltaic electricity generation. By depositing bismuth oxyiodide (BiOI) nanoparticles onto cellulose nanofibers via a two‑step liquid‑vapor method, the membrane achieves an open‑circuit voltage of ~3.7 V,...
Researchers introduced a low‑corrosive maleic‑acid hydrothermal pretreatment to selectively strip hemicellulose from coconut shells, enriching lignin and cellulose while recovering xylose and furfural. The resulting hard‑carbon precursor exhibits a reduced closed‑pore size (1.64 nm) and increased closed‑pore volume (0.236 cm³ g⁻¹) after carbonization....
Researchers have introduced liquid‑metal‑architected silicone composites that use mechanochemical encapsulation of aluminum nitride with eutectic gallium‑indium to eradicate processing‑induced voids. The void‑free architecture creates continuous thermal pathways, delivering 4.60 W m⁻¹ K⁻¹ in‑plane and 5.27 W m⁻¹ K⁻¹ out‑of‑plane conductivity at just 50 vol.% filler loading. Simultaneously,...
The review outlines how thick perovskite light‑emitting diodes—ranging from 100 nm to several micrometers—offer distinct physics, material, and architectural advantages over conventional thin stacks. By increasing the emitter‑metal separation, these devices suppress plasmonic loss, boost photon‑recycling, and achieve higher out‑coupling efficiency....
Researchers introduced sulfur into a three‑dimensional Ni‑Sb‑SnO2 (DLS‑NATO/TiF) electrode, creating a dual‑function catalyst for electrochemical ozone production (EOP) and chlorine evolution reaction (CER). The sulfur‑doped electrode achieved a Faradaic efficiency of 50.10% for ozone and 95.70% for chlorine under acidic...
The review surveys recent breakthroughs in cryogenic aqueous zinc batteries, focusing on electrolyte engineering, cathode design, anode stabilization, and separator modification. Researchers have introduced liquid, suspension, and gel polymer electrolytes that disrupt hydrogen‑bond networks and improve Zn2+ solvation, enabling operation...
Researchers have demonstrated low-temperature, wafer-scale metal-organic chemical vapor deposition (MOCVD) of phase-pure two-dimensional indium selenide (InSe) on c-plane sapphire. By systematically varying the Se/In precursor ratio and growth temperature, they mapped the In-rich to Se-rich InxSey phase space and identified...
Researchers have built a miniaturized perovskite spectrometer that uses only eight self‑powered photodetectors to deliver high‑resolution spectral data. The device achieves a peak external quantum efficiency of 75% and resolves wavelengths at ~5 nm across the 680–800 nm band. By leveraging compressive‑sensing...
Researchers introduced n‑octylammonium bis(fluorosulfonyl)imide additives (OA‑FSI, OA‑TFSI, OA‑PFSI) to the spiro‑OMeTAD hole‑transport layer of perovskite solar cells. The anion component of these additives modulates the ionization energy of the HTM, shifting energy levels and improving charge extraction. Larger C‑F groups...
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...
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...
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...
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...