Articles tagged with Nanowires
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Researchers at Aalto University have developed a new method to combine different types of nanowires into a single array, improving absorption efficiency. The dual-type nanowire arrays show better light coupling and reduced reflection, making them suitable for applications such as solar cells and LEDs.
Researchers at Helmholtz-Zentrum Berlin developed silicon micro-funnels that absorb light more efficiently than traditional nanowire arrays. The funnels improve solar cell efficiency without requiring special manufacturing processes.
Scientists at Johns Hopkins University have developed a method to control individual vortices in nanowires, trapping them and maintaining resistance-free current in superconductors. This breakthrough has the potential to enhance the performance of devices such as MRI scanners, particle accelerators, and future quantum computers.
Researchers have created a novel solid-state technology platform that enables the use of terahertz photonics in various applications. The new nanodetectors can detect frequencies greater than 3 THz and offer competitive noise equivalent powers with commercially available technologies.
Researchers discovered beaver teeth have a harder, more resistant form of enamel built with iron that surpasses fluoride-treated enamel in acid resistance. This finding could lead to better understanding of human tooth decay and improvement on current treatments.
Researchers at Northwestern University discovered that silver nanowires can partially recover from permanent deformation under cyclic loading, indicating potential for long-term durability in flexible electronics. This breakthrough has significant implications for the development of cost-effective alternatives to indium tin oxide.
A VCU professor has received a five-year grant to extend the lifespan of lithium-ion batteries, reducing their cost and carbon footprint. He aims to develop alternative battery materials that are nontoxic and abundant, enabling the creation of more sustainable energy storage solutions.
Researchers at North Carolina State University have developed a new, wearable sensor that can accurately monitor electrophysiological signals like electrocardiography (EKG) or electromyography (EMG) for long periods. The sensor uses silver nanowires and is more accurate than existing sensors, especially when a patient is moving.
Researchers found that nanowires shorter than 2 micrometres cause no harm to the brain tissue, while longer ones lead to inflammation and neurotoxic effects. The study suggests developing electrodes with smaller and more flexible nanowire coatings for safer neural implants.
Researchers have developed a new type of nanowire crystal that combines semiconducting and metallic materials, exhibiting superconducting properties at low temperatures. The breakthrough could play a central role in the development of future electronics, including chips with billions of identical semiconductor-metal nanowire hybrids.
A novel nanowire coating for clothes generates heat and traps body warmth more effectively than regular clothes. The technology could help reduce our reliance on conventional energy sources and save up to 1,000 kilowatt hours per person every year.
Researchers at Penn have engineered a nanowire system that can combine two light waves to produce a third with a different frequency, using an optical cavity to amplify the intensity of the output. The system achieved high efficiency in mixing frequencies, enabling fundamental computation capabilities.
Researchers use electrostatic force microscopy to visualize charge propagation in Geobacter's protein filaments, demonstrating metallic-like conductivity. The discovery has important environmental and practical implications for energy conversion and production.
Researchers at Carnegie Institution use high pressure to engineer gallium arsenide, a promising semiconductor material for solar cells. The study found that applying pressure can widen the 'band gap' and induce metallic electronic properties in two different crystalline structures of GaAs.
Researchers at the University of Surrey have developed graphene-treated nanowires as a cost-effective alternative to indium tin oxide (ITO) for touchscreen technology. This innovative material can produce flexible displays at a fraction of the current cost, making it an attractive option for manufacturers.
Researchers at Michigan State University have enhanced microbes to clean up nuclear waste by strengthening their pili nanowires. The improved microbes form a biofilm with increased armor, allowing them to neutralize more uranium and survive in higher concentrations.
A team of scientists from Lund University has successfully created artificial cell membranes on vertical nanowires, mimicking the curved shape of natural membranes. This breakthrough could lead to new insights into membrane dynamics and target protein interactions in pharmaceutical research.
Researchers at Monash University have developed copper nanowire aerogels that combine conductivity with flexibility, enabling the creation of stretchable conductive rubbers. The addition of a small amount of poly(vinyl alcohol) improves mechanical strength without impairing conductivity.
Scientists at USC have discovered that bacterial nanowires are not pili, but rather membrane extensions equipped with electron-transfer proteins called cytochromes. This finding challenges the previous understanding of these 'electric bacteria' and opens up new avenues for research on their potential applications in bioelectronic devices.
Researchers at Australian National University developed a technique to cool nanowire probes with lasers, increasing their sensitivity 20 times and enabling detection of tiny forces. This could improve the resolution of atomic force microscopes, measuring nanoscopic structures and molecular interactions.
Scientists are working on seamless marriage between electronics and brain signaling to treat devastating diseases. They're developing ultraflexible circuits and injecting tiny electronics into the brain to integrate with existing biological networks.
Scientists successfully integrated compound semiconductor crystals made of indium arsenide into silicon nanowires, overcoming a major obstacle in chip technology. The production method, which involves ion implantation and heat treatment, enables the creation of 'hetero-nanowires' with improved performance.
Researchers from NUS use a focused laser beam to 'draw' micropatterns on nanomaterials, enhancing electrical conductivity and photoconductivity by over 10 times. This technique has potential for advanced applications in electronics and optoelectronics.
Yu Chen and colleagues find that superconductivity and dissipation can coexist under generic conditions in a universal manner, thanks to a peculiar nonequilibrium state of quasiparticles. The researchers also discover an unexpected property: when a magnetic field is applied, the superconducting area expands and is enhanced.
Engineers at UC Davis developed three-dimensional nanowire transistors using a new approach to integrate semiconductors on silicon substrates. This technology enables devices to operate in high temperatures, handle high power or voltages, and optical applications.
NTNU researchers have discovered that by tuning a small strain on single nanowires, they can become more effective in LEDs and solar cells. The discovery enables the creation of highly effective solar cells that produce a higher electric power.
Researchers at Johannes Gutenberg University Mainz have achieved a breakthrough in inducing synchronous motion of domain walls in ferromagnetic nanowires using pulsed magnetic fields. This allows for controlled displacement of domain walls, essential for permanent data storage.
Researchers in China have developed a convenient way to selectively prepare germanium sulfide nanostructures, including nanosheets and nanowires. These nanostructures show outstanding photoresponsive behavior, indicating their potential use in solar energy conversion systems and optoelectronics.
A team of researchers from South Korea has developed a novel technique to authenticate goods by creating unique patterns made from tiny, randomly scattered silver nanowires. The 'fingerprints' are almost impossible to replicate due to their natural randomness and difficulty in manipulating the tiny materials.
NC State researchers have created a new, stretchable antenna that can be used in wearable health monitoring systems. The antenna can be stretched, rolled, or twisted and still transmit signals effectively.
Researchers at the University of Cincinnati have developed a new method of light-matter interaction analysis, which appears to be a good way of helping make better semiconductor nanowires. The technique uses Rayleigh scattering to probe band structures and electron-hole dynamics in single indium phosphide nanowires.
Researchers at the University of Cincinnati have identified a zero-dimensional quantum dot structure that can confine electronic excitations within semiconductor nanowires. This discovery has significant implications for harnessing solar energy, creating stronger lasers, and developing more sensitive medical diagnostic devices.
University of Cincinnati researchers are working on a new technology that manipulates light to create super-lenses with seven times the strength of a standard microscope, allowing for better viewing of tiny objects. The team also explores hiding objects in plain sight by cloaking them with metamaterial films.
Developers have created a metal oxide shell that increases the stability of nanowire devices, which can detect disease biomarkers and record heart cells. This coating allows nanoelectronic devices to last several months in human body conditions.
Researchers at NC State University have developed wearable, stretchable sensors using silver nanowires that can measure strain, pressure, human touch, and bioelectronic signals. These sensors hold promise for creating responsive prosthetics and robots that can interact with their environment.
Scientists have demonstrated laser action in semiconductor nanowires that emit light at technologically useful wavelengths and operate at room temperature. The nanowire lasers could represent the next step in developing smaller, faster, more energy-efficient sources of light for various applications.
Researchers at Duke University have developed copper nanowire catalysts that can efficiently harness solar energy to split water into hydrogen, a promising step towards cheaper and sturdier fuel cells. The material is abundant, inexpensive, and flexible, making it ideal for use in various applications beyond solar energy production.
Researchers at MIT have found a way to add genetically modified viruses to the production of nanowires, which can serve as one of a battery's electrodes. This increases the surface area, allowing for more efficient charging and discharging.
Researchers at the University of Copenhagen have developed a new method that combines advanced tools in physics and biology to improve diagnostic accuracy. By using nanowires to hold proteins, they can measure multiple biomarkers simultaneously, increasing signal quality and making diagnosis faster, cheaper, and more precise.
Researchers used computer modeling to predict electronic and optical properties of silicon structures with potential applications for solar energy collection. The study found that amorphous quantum dot chains significantly increase light absorption with increased interactions between individual nanospheres in the chain.
Researchers developed nanowires that block lithium diffusion, promoting layer-by-layer lithiation and potentially minimizing cracking and improving durability. This breakthrough could lead to more effective electrode architectures for lithium-ion batteries.
Researchers at Johannes Gutenberg University Mainz directly observe magnetization dynamics in magnetic nanowires, discovering oscillating domain wall velocities. The study's findings have important implications for the development of ultra-fast rotating sensors and new information storage mediums.
A Drexel-led team of researchers has developed a new method to measure the band offset in nanoscale devices using laser-induced current spectroscopy. This breakthrough enables the design of more efficient and effective nanoscale components, such as solar cells, LEDs, and high-speed electronics.
Researchers at Penn University have developed a computer model to optimize the properties of metal nanowire networks for flexible touchscreens. The model helps identify the optimal balance between transparency and electrical resistance, leading to improved device performance.
Researchers at Georgia Institute of Technology develop a sensor device that converts mechanical pressure into light signals, allowing for high-resolution optical detection. The device has the potential to provide an artificial sense of touch and improve human-machine interfaces.
Scientists have successfully created self-integrating nanowires whose position, length and direction can be fully controlled. This breakthrough enables the production of electronic circuits with hundreds of transistors simultaneously, opening doors to various technological applications including LED devices, lasers, and solar cells.
Using sound waves, researchers can create repeatable patterns of metallic nanomaterials onto substrates that are incompatible with conventional lithography methods. The technique allows for the patterning of nanowires with tunable spacing and density, enabling potential applications in various fields.
Researchers at Ulsan National Institute of Science and Technology have developed a hybrid transparent and stretchable electrode combining graphene and silver nanowires. The new material exhibits high electrical and optical performance, preserving mechanical flexibility and resistivity even when bent or folded.
Researchers at Purdue University have created a new type of transparent electrode that combines graphene and silver nanowires to overcome the drawbacks of traditional materials like indium tin oxide. The hybrid material has a low sheet resistance and remains flexible even when bent, making it suitable for applications such as solar cel...
Northwestern University researchers have discovered a new method for extracting gold that uses cornstarch instead of cyanide, leaving behind other metals. The process is environmentally benign and more efficient than current commercial methods.
Researchers have developed piezoelectric 'taxel' arrays that can convert mechanical motion into electronic controlling signals, enabling robots to perceive touch more accurately. The arrays use zinc oxide nanowires and can detect pressure changes as low as 10 kilopascals, comparable to human skin sensitivity.
Researchers at the University of Illinois have discovered a new paradigm in epitaxy by growing nanowires on graphene. The self-assembled wires have a unique core-shell structure, which is spontaneous and produces a perfect interface. This finding has significant implications for advanced electronics applications.
Researchers at University of Cincinnati have made a groundbreaking discovery in semiconductor nanowires, opening doors to better ways of harnessing solar energy and improving air quality sensors. The new structure has unique properties that could lead to advances in photovoltaic cells and stronger security measures.
Scientists have demonstrated a process where quantum dots can self-assemble at optimal locations in nanowires, improving the efficiency of solar cells, quantum computing, and lighting devices. The breakthrough enables precise positioning of quantum dots relative to the nanowire's center, leading to high optical properties.
Researchers at EPFL created a nanowire solar cell that captures up to 12 times more light than traditional flat solar cells, producing more energy with lower costs.
Researchers at Polytechnique Montréal and international partners create a new method for self-doping nanowires, allowing for precise control of electronic properties. This breakthrough enables the development of novel nanoscale devices with tailored shape and composition.
Researchers have discovered that nanowires can naturally draw liquid upward in a thin film coating the wire's surface. This phenomenon has potential applications in inkjet printing, biomedical research, and microfluidic devices, enabling small-scale liquid transport and manipulation.
Researchers have discovered a single nanowire can concentrate sunlight up to 15 times the normal intensity, raising the potential for highly efficient solar cells. The breakthrough could lead to a significant impact on solar cell development and energy extraction.
Researchers at UMass Amherst have identified the importance of amino acids in facilitating electrical conductivity in bacterial pili, a paradigm shift from traditional understanding of biological electron transfer. This discovery has significant implications for environmental cleanup and renewable energy sources.
Research team at UNIST developed high-performance NW-OPTs, showing enhanced charge-carrier mobility and higher external quantum efficiencies compared to thin-film OPTs. This breakthrough enables bottom-up fabrication of optoelectronic nanodevices with high operational stability and easy control of photoswitching voltages.