Miniaturized Self‐Powered Perovskite Spectrometer
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 algorithms, the system operates without external bias and consumes power only for readout and computation. This architecture promises low‑cost, chip‑scale spectrometers for scientific and industrial use.
Anion Component Engineering of Spontaneous Perovskite Passivators for Energy Alignment Modulations in Perovskite Solar Cells
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...
Fully Printed and Integrable Zn‐Ag Battery‐Hierarchical Sensor for Scalable Manufacturing of Monolithic Wearables
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...
Boosting Piezoelectric Catalytic H2O2 Production in Pure Water of Graphitic Carbon Nitride via Defect Engineering With Tunable Oxygen‐Doping
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...
Integrated Single‐Atom and Cluster Catalysts for Electrocatalytic Hydrogen Energy Technologies: Current Achievements and Challenges
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...
Spin Density Modulation by Ru Nanoparticles in ZIF‐67 Framework for Magnetically Enhanced Water Splitting Reaction
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...
Low Temperature Site‐Specific Pulsed Laser Annealing of MoS2
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...
Ga‐Assisted Free‐Standing Growth of CsPbBr3 Nanowires for High‐Performance Optoelectronic Applications
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...
Stress Engineering in Flexible Thermoelectrics
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....
Enzyme‐Activated Programmable Theranostic Platform for Spatiotemporal Imaging of Intracellular MicroRNA and On‐Demand Manipulation‐Mediated Therapy
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...
Design Principles and Experimental Evidence for Semiconducting Heusler Thermoelectrics by Vacancy‐Filling
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...
Ultrathin and High‐Efficiency Passive Daytime Radiative Cooling Coating via Polymer‐Particle Co‐Design
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...
Nanoengineering‐Based Strategies for Enhancing Dynamic Therapy
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...
Efficient, Reversible Lead Adsorption in a Thiol‐Decorated Zirconium‐Metal–Organic Framework
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....
Triboelectric Capacitance Supplementation in Energy Storage Composites with Functionalized Carbon Fiber Electrodes
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...
Multifunctional Superwetting Sea‐Urchin‐Mimetic Nanosheet‐Based Interface for Remote Oil‐Water Separation
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...
Engineering Metastability in Atomic Layer Deposition: Polymorph and Valence Control
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...
Lewis Acid‐Base Effects on Molecular Structure and Charge Density in Solid Polymer Electrolytes for Solid‐State Batteries
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...
Dynamic Adsorption of Molybdate Promoted Self‐Optimization and Self‐Healing of NiFe/NiMo in Alkaline Water Electrolysis
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...
Superconducting Nanowire Memory Array Achieves Significantly Lower Error Rate
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...
Why You Should Not Miss Graphene Connect 2026
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...
Using Amino Acids as Fuels to Make Conductive Graphene
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...
Eco-Friendly Agrochemicals: Embracing Green Nanotechnology
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...
Ultra-Thin Wireless Retinal Implant Offers Hope for Safely Restoring Vision Signals
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...
Harnessing Nanoscale Magnetic Spins to Overcome the Limits of Conventional Electronics
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...
Real‐Time In Vivo Detection of Nanocarrier Number and Velocity in the Cerebrovasculature Using Hot Band Absorption
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...
Size‐Dependent Effect of Ni Nanoparticles Confined in Ni‐Modified Flower‐Like Carbon Toward CO2 Electroreduction Reaction
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...
Comparative WS2‐NbS2 and MoS2‐NbS2 Binary Alloy Nanosheets as Excellent Hydrogen Evolution Reaction Electrocatalysts
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...
Flexoelectric Polarization Control via Defect‐Driven Strain Gradients in Complex Oxide Thin Films
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...
Confinement and Self‐Supply of Carbon Sources by Micro‐Containers Enable Efficient In Situ Growth of Carbon Nanotubes for Li‐Ion Storage
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...
Toward Stable Mn Metal Anodes and Electrolyte Design for Mn‐Based Batteries
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...
Mechanically Robust and Anti‐Biofouling Hybrid Encapsulation via Layered Organic–Liquid Interfaces for Implantable Devices
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...
High‐Conductive Stretchable Electrode Array Patch for Real‐Time High‐Fidelity Electromyography Monitoring
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....
Neutralizing Charge Centers Radius via Dipole‐Charge Interaction in Perovskites
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...
Nanocatalytic Mitochondrial Oxidative Stress Amplification and Mitophagy Disruption for Efficient Tumor Catalytic Therapy
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...
Activating High‐Loading Cathodes Using Percolative Graphite in Rechargeable Alkaline Zn–MnO2 Batteries
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...
Self‐Generated Chemical Gradients for Controlling the Locomotion of Artificial Nanomotors
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...
Multifunctional Hybridized Local and Charge‐Transfer Small Molecular Fluorophore for Imaging‐Guided Photodynamic Anticancer Therapy
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...
Multifunctional Oral Hydrogel Containing Dual‐Active Pt/Mn3O4 Nanozyme for Synergistic Pyroptosis Suppression and Gut Microenvironment Reprogramming to Alleviate Radiation Intestinal Injury
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...
Decoding the Oxygen Evolution Reaction Mechanism in a Novel Octanuclear Nickel(II) Double Cubane Cluster: Unleashing the Electrocatalytic Performance
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...
High‐Efficiency Water Desalination in Metal Chalcogenide Superlattice via Natural Van Der Waals Wrapping
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...
Monolithic Acoustic Droplet Centrifuge Array for Enhancing Point‐of‐Care Detection of Trace MicroRNAs
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...
Machine Learning‐Optimized Electromagnetic Wave Absorption in Metal/C Nanocomposites
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...
Tellurium‐Vacancy Engineering in Ultrathin Bi2Te3 Enables Broadband Multifunctional Optoelectronic Synapse for Energy‐Efficient Neuromorphic and Optical Information Processing
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...
Heavy‐Metal‐Free ZnSeTe Quantum Dots‐Based Liquid Scintillators for Scalable X‐Ray Imaging
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...
Multifunctional Cyanuric Fluoride‐Mediated Crystallization and Defect Passivation for 2D Sn‐Based Perovskite Thin‐Film Transistors
Researchers introduced cyanuric fluoride (Cy‑F) as a multifunctional additive into 2D PEA₂SnI₄ perovskite films, simultaneously regulating crystallization and passivating defects. The optimized 12 vol% Cy‑F formulation yielded a record‑high thin‑film transistor mobility of 1.88 cm² V⁻¹ s⁻¹, over ten times the pristine device, while...
Polyimide Microwave Absorption Foam Reinforced With Epoxy Resin and Integrated With Multifunctionality
Researchers introduced a novel molecular‑design and component‑regulation strategy that grafts epoxy groups onto polyimide (PI) chains and incorporates rigid segments, forming a cross‑linked, interpenetrated network. This approach simultaneously boosts the foam’s mechanical strength and microwave absorption performance, maintaining structural integrity...
Aspartame Peptide‐Based Piezoelectric Supramolecular Material Toward Energy Harvesting
Researchers have demonstrated that aspartame dipeptide crystals self‑assemble into a non‑centrosymmetric supramolecular lattice that exhibits a piezoelectric coefficient of 37.9 pC/N. A prototype device built from these crystals generated approximately 0.62 V and 2.08 nA under a 50 N mechanical load. The output remained...
Atom‐Efficient Ir Nanoclusters in Laser‐Engineered MoC@N‐Carbon for Ultralow‐Overpotential Hydrogen Evolution
Researchers used pulsed laser irradiation in liquids to embed iridium nanoclusters within a MoC/N‑doped carbon matrix, creating defect‑driven interfacial polarization. The resulting IrNC/MoC@NC catalyst delivers ultralow overpotentials of 25 mV for the hydrogen evolution reaction at 10 mA cm⁻² and 338 mV for hydrazine...
Biomimetic Multifunctional Scaffolds for Osteochondral Regeneration: Bridging Material Design and Functional Integration
The review outlines a systematic framework for engineering biomimetic osteochondral scaffolds, integrating four coordinated components: functional properties, bioactive material systems, advanced fabrication methods, and hierarchical structural designs ranging from monophasic to gradient configurations. By aligning these modules, researchers aim to...