Nanomaterials

 

Nanomaterials

A molecularly imprinted ratio fluorescence sensor based on metal-enhanced fluorescence of core–shell structure CaF2-silver nanoparticle for visual detection of dicamba
- Although fluorescence analysis methods are widely used in pesticide residue detection, improving their sensitivity and selectivity remains a challenge. This paper presents a novel ratio...
Dual‐Phase Ligand Engineering Enables 18.21% FAPbI3 Quantum Dot Solar Cells
05/01/2025 - In this work, by incorporating dual‐site ligands, first a dual‐phase ligand exchange strategy is reported by integrating both solution‐phase and solid‐state ligand exchange to synergistically...
A Separator with Double Layers Individually Modified by LiAlO2 Solid Electrolyte and Conductive Carbon for High‐performance Lithium–Sulfur Batteries
29/12/2024 - The charge transfer resistance of Li–S using the modified separator is reduced. In addition, there is no corrosion and the lithium anode is dendrite‐free. The ‘shuttle effect’ of polysulfides...
Scintillating Glass Fiber Arrays Enable Remote Radiation Detection and Pixelated Imaging
23/12/2024 - Perovskite quantum dots with efficient scintillating luminescence are incorporated in glass fibers with low‐loss waveguiding, enabling remote, real‐time radiation detection. More importantly, the...
Chlorine Axial Coordination Activated Lanthanum Single Atoms for Efficient Oxygen Electroreduction with Maximum Utilization
23/12/2024 - This work proposes a universal synthesis method for rare‐earth single‐atom catalysts with Cl axially coordination for oxygen reduction reaction (ORR), which exhibits excellent ORR activity and...
In Situ Reconstructed Hydroxyl‐Rich Atomic‐Thin Bi2O2CO3 Enables Ampere‐Scale Synthesis of Formate from CO2 with Activated Water Dissociation
23/12/2024 - The hydroxyl‐functionalized atomic‐thin bismuth subcarbonate in situ transformed from bismuth hydroxide nanotubes enables highly efficient and durable carbon dioxide electroreduction into...
Defect Engineering of Metal‐Based Atomically Thin Materials for Catalyzing Small‐Molecule Conversion Reactions
20/12/2024 - This review discusses defect engineering strategies for metal‐based atomically thin materials (M‐ATMs) to enhance their catalytic performance in electrochemical reactions, addressing challenges...
Large Scale Synthesis of Red‐Emitting Quantum Dots for Efficient and Stable Light‐Emitting Diodes
20/12/2024 - Herein, a reliable and easily controllable approach is provided to prepare over 0.5‐kilogram colloidal quantum dots (CQDs), which feature high fluorescence quantum yields of over 90%, and afford...
Performance Enhancement of Carbon Nanotube Network Transistors via SbI3 Inner‐Doping in Selected Regions
19/12/2024 - A new structural device is constructed through contact engineering, where carbon nanotubes in the electrode area are filled with SbI3 molecular chains, resulting in low contact resistance, high...
Fully Transparent and Distortion‐Free Monotonically Stretchable Substrate by Nanostructure Alignment
12/12/2024 - For achieving monotonic transparent, stretchable substrates with near‐zero Poisson's ratio, this approach utilizes nanoscopic block copolymer alignment via shear‐rolling. This alignment of...
A New Generation of Multimilliwatt‐Class Colloidal Quantum‐Dot Lasers at Full Colors
12/12/2024 - The full‐color QD lasers relevant for practical implementations are achieved. These QD lasers feature the simultaneous metrics of low threshold, long operating duration, and multimilliwatt output...
Regulating Charge Separation Via Periodic Array Nanostructures for Plasmon‐Enhanced Water Oxidation
11/12/2024 - This study presents a plasmonic photocatalyst with an ordered Au nanoparticle array on SrTiO3, enhancing surface plasmon resonance (SPR) intensity while maintaining constant resonant energy due to...
Suspending Light‐Absorbing Nanoparticles in Silica Aerogel Enables Numerous Superblacks
11/12/2024 - Numerous superblacks are fabricated via generally suspending individual light‐absorbing nanoparticles in man‐made solid smoke.Current strategies for constructing sparse nanostructures for...
Self‐Healing Yet Strong Actuator Materials with Muscle‐Like Diastole and Contraction via Multilevel Relaxations
10/12/2024 - A mechanical robust and healable actuator material with muscle‐like diastole and contraction abilities is fabricated by orientational alignment of dendritic polyphenol‐modified nano‐assembles...
Adaptive In‐Sensor Computing for Enhanced Feature Perception and Broadband Image Restoration
10/12/2024 - A novel phototransistor is introduced by leveraging the unique optoelectronic properties of two low‐dimensional materials. The architecture enhances image perception and restoration quality,...
Linking Nanoscopic Insights to Millimetric‐Devices in Formamidinium‐Rich Perovskite Photovoltaics
09/12/2024 - This review sheds light on the most detrimental nanoscopic phase impurities in FA‐rich perovskite PVs and further, highlights research directions that can mitigate their formation in the final...
Plasmon‐Enhanced Optoelectronic Graded Neurons for Dual‐Waveband Image Fusion and Motion Perception
08/12/2024 - Dual‐waveband image fusion and motion perception have been achieved in optoelectronic synaptic devices featuring nano‐wedge/MoS₂ heterostructure channels. The arrayed optoelectronic graded...
Retroreflective Multichrome Microdome Arrays Created by Single‐Step Reflow
08/12/2024 - Arrays of microdomes with varying radii are formed by transforming micropillars made of the positive photoresist through a single‐step reflow process. These inverted microdomes exhibit...
Metaplasticity‐Enabled Graphene Quantum Dot Devices for Mitigating Catastrophic Forgetting in Artificial Neural Networks
08/12/2024 - A two‐terminal metaplastic resistive memory device is developed by combining graphene quantum dots (GQDs) with iron oxide (FeOx). This research contributes to the field of neuromorphic computing by...
Extended Short‐Wave Infrared Colloidal Quantum Dot Lasers with Nanosecond Excitation
06/12/2024 - Lead sulphide (PbS) colloidal quantum dots (CQDs) are shown to be the first solution‐processed gain medium to achieve lasing in the extended short‐wave infrared (SWIR) spectral region. The...
Synergizing Plasmonic Local Heating and 3D Nanostructures to Boost the Solar‐to‐Vapor Efficiency Beyond 100%
05/12/2024 - A self‐floating plasmonic sponge that harvests full‐solar‐spectrum light for highly efficient water purification.Solving the global challenge of freshwater scarcity is of great significance for...