Articles tagged with Nanostructures
Researchers have found a way to expand the printable color spectrum with a novel nanostructure system that broadens colors while maintaining high resolution. The new silicon nanostructures can print an art piece with a 121% expanded color gamut, higher color saturation and resolution.
Researchers found that flower petals with nanoscale ridges on their surface produce a 'blue halo' effect, which helps bees locate flowers. The irregularities in these nanostructures appear to be harnessed by evolution to aid floral communication.
Scientists at Fuzhou University have created a macroscopic aerogel from carbonitride nanomaterials that catalyzes the water-splitting reaction under visible-light irradiation. The material offers excellent structural and electronic properties, making it suitable for artificial photosynthesis.
Researchers at Northwestern University have developed a new method that combines design and nanomanufacturing to create optimal nanostructured surfaces for solar cells. The technique uses mathematical functions and machine learning to fabricate quasi-random structures, resulting in increased light absorption and improved efficiency.
A team from HZB and EMPA successfully realized direct electron beam writing of silver nanocrystals using Electron-Beam-Induced Deposition. This breakthrough enables the creation of complex features onto a substrate in a single step, promising applications in nano-optics and information technology.
Researchers developed a cost-effective method to produce biomimetic structural colors, overcoming previous limitations and enabling large-scale and flexible fabrication. The technique uses quasi-ordered scattering and can be fine-tuned by controlling synthesis conditions.
Researchers developed a new antireflection film using moth-eye-like nanostructures, exhibiting low reflection and excellent optical behavior. The film also shows improved scratch resistance and self-cleaning capabilities, making it suitable for flexible displays.
Biomedical researchers have developed a new method to visualize multiple molecular species simultaneously using self-folding DNA structures with digitally programmable optical properties. This approach overcomes the limitation of current microscopy techniques, enabling ultra-high definition imaging of complex samples.
Scientists have developed a new technique to date ancient meteorite strikes using tiny crystal fragments. By analyzing the atomic nanostructure of these crystals, researchers can determine the age of impact and gain insight into the beginnings of life on Earth.
Researchers at UCF have developed a new color changing surface tunable through electrical voltage, potentially leading to three times the resolution for televisions and smartphones. This breakthrough eliminates the need for static subpixels, allowing for reduced pixel size and increased brightness.
Scientists create programmable nanostructures using pH-sensitive DNA locks to control the optical properties of plasmonic metamolecules. This technology has potential applications in sensors, optical switches, and phase shifters with tailored functionalities.
Sharon C. Glotzer received the 2017 MRS Communications Lecture Award for her work on polymer-tethered nanoparticles. Her paper, published in MRS Communications, demonstrates the use of computational tools to design and assemble functional materials nanostructures.
Researchers discovered oxide nanostructures with diameters below 3nm display superior oxidation resistance than larger counterparts. The 'dynamic size effect' mechanism determines the stability of supported nanoparticles, enabling the development of anti-corrosion materials.
Researchers at Duke University have created a new method for printing conductive films using silver nanowire inks, eliminating the need for heat. The resulting printed electronics can be used in various applications such as solar cells, displays, and implantable bio-electronic devices.
A team of Korean researchers has developed a wobulation technique that enhances the resolution of flow-lithography produced nanostructures. By staggering UV patterns and reducing exposure time, they achieved higher-resolution frames without narrowing the field of view.
Scientists at Caltech have developed a method to combine deterministic and random processes for creating complex nanostructures out of DNA. By controlling the design of individual tiles and their interactions, they can produce emergent features with tunable statistical properties, including loop, maze, and tree structures.
Research led by Norwegian University of Science and Technology scientist Jon Otto Fossum created micrometer-thick gel structures in clay-based nanofluids that exhibit mechanical strength to prevent oil droplets from merging. These structures could improve oil recovery from reservoirs and potentially enhance food product shelf life.
Scientists at KIT replicate nanostructures that produce vibrant colors independent of viewing angle, suitable for textile, packaging and cosmetic industries. The innovation could replace toxic pigments with sustainable alternatives.
Researchers at TU Wien have successfully created nanostructures made of pure gold using an additive direct-write lithography technique. The new method allows for the fabrication of three-dimensional gold structures, which are essential for various applications in electronics and sensor technology.
Researchers have developed a flexible, disposable sensor for monitoring proteins in the blood released from damaged heart muscle cells after a heart attack. The sensor uses nanostructures to detect low concentrations of troponins with high accuracy, enabling quick diagnosis and treatment at home.
Scientists at Brookhaven National Laboratory have developed a method to guide the self-assembly of multiple molecular patterns within a single material, creating new nanoscale architectures. This technique enables the spontaneous formation of complex nanostructures without exhaustive preliminary patterning.
An international team has discovered an elegant way to decouple organic nanosheets grown on metal surfaces. By exposing the networks to iodine vapour, they reduced the adhesion between the network and the metal, allowing the molecules to behave almost as if they were free-standing.
Researchers at PNNL have developed a stronger titanium alloy using a novel nanostructure, with potential applications in lightweight vehicle parts. The alloy achieved a 10-15% increase in strength, making it suitable for high-strength-to-cost ratio and greater fuel economy.
Researchers at RMIT University have developed a method to grow nanostructures that degrade organic matter when exposed to light, directly onto textiles. The technology has the potential to create fully self-cleaning textiles that can spontaneously clean stains and grime with minimal effort.
A team of scientists has developed a colorless, non-toxic ink for use in inkjet printers, inspired by the nanostructure of squid skin for natural camouflage. The ink, made from titanium dioxide, can be deposited on various surfaces without high-temperature fixing and does not fade from UV exposure.
A new research by L. Mahadevan and his team discovered a fundamental origami fold, the Miura-ori, that can be used to create almost any three-dimensional shape. The team developed an algorithm that can create certain shapes using the Miura-ori fold, repeated with small variations.
Researchers at McGill University have developed a method to assemble gold nanoparticles using DNA structures, allowing for the creation of novel materials with unique properties. This 'printing press' for nanoparticles has the potential to facilitate use in electronic and medical applications.
Researchers develop aluminum nanostructure pixels using plasmon resonance to create vibrant colors across the entire visible spectrum. The new approach enables the production of high-resolution images and improved display performance.
Researchers at INRS develop a new strategy for fabricating atomically controlled carbon nanostructures using molecular self-assembly and chain polymerization. The technique produces network of long-range poly(para-phenylene) (PPP) nanowires on copper surface, displaying quasi one-dimensional dispersion in conductive polymeric nanowires.
A recent study reveals that tiny nanostructures in the exoskeletons of blue-haired tarantulas are responsible for their vibrant color. The researchers believe this discovery could lead to new ways to improve computer and TV screens using biomimicry.
Researchers have developed a new computed tomography method that uses scattering to visualize nanostructures in objects measuring just a few millimeters. This technique allows for the precise three-dimensional visualization of collagen fibers in human teeth, revealing their detailed structure for the first time.
Scientists have successfully developed a method to control both heat and electricity conduction in thermoelectric materials using nanostructures. By introducing ultrasmall Ge nanodots into Si, they achieved high electric conductivity and low thermal conductivity, enabling simultaneous control of both.
By 'crumpling' hybrid nanostructures, researchers increased surface area and improved SERS detection sensitivity. The new design enables enhanced nanoplasmonic sensing applications for environmental analysis, pharmaceuticals, and biomedical research.
Researchers created a compact photonic switch on silicon nanostructures, enabling ultrafast optical pulse switching at femtosecond rates. This device could revolutionize computing by transferring data at tens and hundreds terabits per second, outperforming traditional electronic devices.
Researchers discovered that umbrella-shaped diamond nanostructures with metal mirrors can collect photons three to five times more efficiently than bulk diamond. This breakthrough could lead to applications in magnetic sensors and quantum computing.
Researchers successfully grew atomically thin 2D sheets of organic-inorganic hybrid perovskites from solution, exhibiting efficient photoluminescence, color-tunability, and unique structural relaxation. The ultrathin sheets have square-shaped geometry, high quality crystallinity, and large size, facilitating their integration into futu...
Researchers from Aalto University have developed DNA nanostructures for smart drug-delivery vehicles and molecular devices. These structures provide new applications in molecular medicine, such as targeting cancer cells with tailored payloads.
Researchers at Ludwig-Maximilians-Universität München have developed a novel photonic crystal that changes color in response to moisture, enabling humidity-sensitive contactless control. The nanosheet-based material displays unparalleled sensitivity and response time, making it ideal for next-generation touchless navigation systems.
The researchers used broad ion beams to create nanostructured arrays on a gallium arsenide wafer, resulting in well-defined structures reminiscent of sand dunes. The process involves heating the sample during ion bombardment and compensating for missing atom bonds by forming pairs of gallium atoms.
The 'dancing droplets' phenomenon allows small droplets to launch themselves from moderately hydrophobic surfaces, enabling efficient removal of accumulated droplets in fibrous webs. This technology has potential applications in water purification and oil refining by reducing clogging and improving efficiency.
Researchers at Cornell University have created a polymer mold that can shape liquid silicon into perfect, 3-D single crystal nanostructures. The breakthrough uses extremely short laser pulses to heat the silicon without degrading the polymer mold.
A team of scientists has developed a new method to visualize the growth of complex self-assembled nanostructures in liquids, enabling detailed understanding of their formation. This breakthrough will facilitate future advances in nanotechnology.
Researchers at Rice University have developed a method to fine-tune the acoustic response of nanoparticles by varying the thickness of their attachment layer, opening doors for new applications in photonics and wireless communications. This breakthrough uses ultrafast laser pulses to induce atomic vibrations in gold nanodisks.
Scientists have successfully recorded sound and audio files onto a non-magnetic plasmonic nanostructure, increasing storage capacity by 5,600 times. The technology uses novel gold nanoantennas to store audio information as a temporally varying intensity waveform or frequency varying intensity waveform.
The new electrode boasts nearly 1415 farad per gram capacitance, high current density, low resistance, and high power density. It also exhibits long-term cycling stability, retaining up to 95% of initial capacitance after 3000 cycles.
Scientists at Berkeley Lab have developed a new design tool to predict the nonlinear optical properties of metamaterials. This breakthrough enables efficient design and creation of high-performance materials for applications such as coherent Raman sensing, entangled photon generation, and frequency conversion.
Researchers from Poland and Denmark demonstrate spontaneous formation of Turing patterns at the nanoscale, which can be used for surface modification of materials. The patterns can be 'imprinted' in other chemical compounds, opening doors to interesting applications.
Researchers from North Carolina State University have developed a new lithography technique that uses nanoscale spheres to create three-dimensional structures. The new method reduces the cost of nanolithography and allows for the creation of complex nanostructures without expensive equipment.
Researchers have discovered how a desert beetle collects dew on its back, which could lead to improved water yield in man-made dew condensers. The beetle's unique nanostructure allows for near-perfect infrared emissivity, enabling efficient cooling and dew formation.
Scientists at Forschungszentrum Juelich re-measured the van der Waals force for single molecules, revealing a superlinear increase with growing molecular size. The study highlights the importance of van der Waals forces in biomolecules and adhesives, such as geckos' ability to climb smooth walls.
A University of Texas at Arlington research team has developed a new method to fabricate transparent nanoscintillators that could advance medical safety and homeland security. The resulting scintillator material has better energy resolution than currently used materials, making it more effective for radiation detection.
A new synthesis method enables the creation of nanostructures that efficiently split water into hydrogen fuel using sunlight. The approach allows for the design and construction of higher-order nanostructures with specific symmetries or shapes, enabling potential applications in quantum computing, sensors, and clean energy.
An international team of researchers has synthesized a new form of magnesium carbide with unique atomic structure. The substance retains its structure after pressure and temperature reduction, making it a promising element for synthesizing other compounds.
Researchers have discovered a new quantum mechanism that triggers the emission of tunable light at terahertz frequencies, enabling unprecedented efficiency. This breakthrough uses asymmetric 2D nanostructures to enhance light emission in a challenging spectral range.
Researchers have demonstrated a technique for producing acoustic phonons at 10 GHz, promising unprecedented resolution for acoustic imaging. The team used nanostructures to generate and detect the phonons, which can be used to 'see' subsurface structures in nanoscale systems.
Researchers are designing ultrathin solar cells with photovoltaic nanostructures to increase efficiency and reduce material costs. These nanostructures behave like a molecular hall of mirrors to trap photons inside the cells.
Researchers at the University of Kentucky have discovered methods to build heat-resistant RNA nanostructures and arrays, showcasing its potential as a stable alternative to conventional polymers. The breakthrough offers new possibilities for controlling RNA nanoparticles for therapeutic applications.
Researchers at UCSB created a compound semiconductor with embedded nanostructures that can manipulate light energy in the mid-infrared range. The technology has potential applications in solar cells, medical applications and plasmonics.
Researchers found that reducing indium nitride's dimensions can produce green light with higher energy, leading to more efficient LEDs. The nanostructures can be tailored to emit different colors of light, enabling the creation of natural-looking white lighting.
Scientists explored how Staphylococcus cells adhere to nanostructures and found that surface features can inhibit bacterial adhesion. The researchers developed nickel nanostructures with various shapes, including tubular-shaped pillars, which showed higher bacteria survival rates.