Articles tagged with Nanowires
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.
Researchers discover that specific aromatic amino acids are necessary for bacterial nanowires to conduct electricity, enabling potential applications in fuel cells and bioelectronics. The study shows that removing these key components renders the wires non-conductive.
Researchers at Lund University have successfully implanted an ultrathin nanowire-based electrode into a laboratory animal's brain, capturing signals from the nerve cells. This breakthrough allows for potential long-term monitoring and treatment of conditions like Parkinson's disease.
The researchers developed a new type of nanoscale structure that combines one-dimensional and two-dimensional structures, creating a material with large surface area and efficient charge transfer. This 3D structure holds promise for developing next-generation sensors, photodetectors, solar cells, and energy storage technologies.
Scientists from NREL and partners successfully demonstrated self-assembling quantum dots in a nanowire system for quantum photonics. The breakthrough could improve solar cell efficiency, quantum computing, and lighting devices due to the precise positioning of quantum dots within the nanowire.
Researchers at USC have created a new lithium-ion battery design that uses silicon nanoparticles to improve capacity and recharge more quickly. The batteries hold three times as much energy as comparable graphite-based designs and can recharge within 10 minutes.
Scientists use single quantum dots to excite plasmons in metal wires, creating precise images of electric field intensity with 12-nm accuracy. This technique enables new hybrid electronics by combining photonics and electronics for efficient sensing and processing.
Researchers from Lund University have made a significant breakthrough in solar cell technology, demonstrating the potential for nanowires to produce 13.8% efficient energy. The nanowire solar cells can absorb sunlight more efficiently than traditional silicon cells, offering higher efficiency at a lower cost.
Researchers at the University of Southampton's Optoelectronics Research Centre have created the strongest, lightest weight silica nanofibres, 15 times stronger than steel. These nanofibres can be manufactured in lengths of potentially thousands of kilometres and are expected to transform industries such as aviation and marine safety.
Researchers developed a new nanotech tool to probe solar-energy conversion, revealing exquisite chemical details with a resolution thought impossible. The tool combines scan/probe microscopy and optical spectroscopy, enabling scientists to examine nanoscale chemistry and interactions with light.
Researchers at Lund University have developed a new method for manufacturing semiconductors, which could make production thousands of times quicker and cheaper. The technology uses freely suspended nanoparticles of gold to grow structures, eliminating the need for expensive semiconductor wafers.
Researchers at NTNU have patented a method to grow semiconductor nanowires on graphene, offering excellent optoelectronic properties. This technology has the potential to enable new types of device systems, including solar cells and self-powered nanomachines, with large market potential.
Researchers at the University of Pennsylvania have developed an all-optical photonic switch made from cadmium sulfide nanowires, enabling faster and more efficient light manipulation. This breakthrough paves the way for significant advancements in photonics and its applications in computing.
A new method, called laser shock-induced shaping, enables the tuning of nanowires by altering electrical and optoelectrical properties critical for electronic components and instruments. Graphene was also successfully shaped using this technique.
Scientists at NC State University have developed elastic conductors made from silver nanoscale wires, enabling the creation of stretchable electronic devices. These conductors can withstand significant stretching without compromising conductivity.
Researchers at Boston College have successfully harnessed the power of sunlight to synthesize basic compounds of pain-killing drugs using silicon nanowires. The process offers high selectivity required to produce complex organic intermediaries, differing from earlier attempts to harness carbon dioxide with sunlight.
Researchers at the University of Pennsylvania have gained insight into how phase change materials switch between states, a key step towards creating universal memory storage devices. By using nanowires, they were able to observe the phase change in real-time and discovered a new mechanism that could lead to more efficient memory devices.
A research team at Case Western Reserve University discovered that gold catalysts in the form of a triangle or higher order structures can produce longer, faster-growing nanowires. These wires could be used to build next-generation invisible computer chips and highly-sensitive sensors.
Duke University chemists created copper-nickel nanowires with improved stability and conductivity compared to plain silver and copper. The new material is an attractive option for printed electronics applications, including solar cells, LEDs, and clothing. Its low cost and high speed make it suitable for mass production.
Engineers at Stanford University have developed a novel method to decorate nanowires with nanoparticles, increasing surface area and altering surface chemistry. This technique may lead to improved lithium-ion batteries, more efficient thin-film solar cells and enhanced catalysts.
Researchers at NIST and partners have demonstrated that the thickness of the electrolyte layer is crucial in determining the performance of nanoscale lithium batteries. The team found that below a threshold of 200 nanometers, electrons can cause a short circuit, leading to rapid discharge and breakdown of the electrolyte.
Researchers at MIT have developed a method to precisely control the width and composition of nanowires as they grow, enabling complex structures optimally designed for specific applications. This technique could facilitate new semiconductor devices with better functionality than conventional thin-film devices.
Researchers at the University of Pittsburgh have created a self-assembly method to grow gold nanowires, which can be used to detect poisonous gases such as hydrogen sulfide in natural gas. The gold nanowires are highly conductive and can detect gas levels comparable to existing sensing techniques.
Researchers at Stanford have created a novel nanowire welding technique using plasmonics that enables precise heating without damaging the wires. This breakthrough allows for the production of stronger, more efficient meshes for various electronic devices and solar applications.
Researchers at Northwestern University have discovered that individual gallium nitride nanowires exhibit strong piezoelectricity in three dimensions, with efficiency up to six times greater than bulk material. This finding has significant implications for the development of nanogenerators capable of powering self-powered devices.
Researchers developed a nanowire-based optical probe for single-cell endoscopy, overcoming the diffraction barrier in visible light microscopy. The endoscope can deliver genes, proteins, or therapeutic drugs into cells without damaging them.
Scientists at Sandia Labs discover unexpected voltage increases of up to 25% in closely packed nanowires, which may impact the development of next-generation handheld devices and solar arrays. The findings also shed light on the unique properties of one-dimensional conductors and their interactions with electrons.
Researchers at UCLA have developed a highly efficient method for producing transparent electrodes using silver nanowires in combination with other nanomaterials. The new electrodes are flexible and highly conductive, overcoming the limitations of indium tin oxide (ITO) materials.
Researchers have successfully fabricated ultrananocrystalline diamond nanowires with exceptional electrical properties, including sensitivity to gas molecule adsorption at grain boundaries. The discovery offers new possibilities for advanced nanoscale sensors.
Researchers have developed a technique to create low-cost, high-performance copper nanowire films for displays and solar cells. The new copper nanowire films outperform current indium tin oxide (ITO) films, which are highly transparent but expensive and prone to cracking.
Engineered patches with gold nanowires improve electrical conductivity and cell contraction in heart tissue, outperforming existing patches in clinical trials. The technology could be applied to other electrically excitable tissues, including the brain and spinal cord.
Researchers studied individual phase slips in aluminum nanowires, observing the nature and temperature at which they occur. The findings provide information to build ultra-thin superconducting wires without phase slips, which could play a role in ultra-miniaturized electronics.
Researchers at Brown University found that carbon nanotubes enter cells tip-first and at a 90-degree angle, often causing repeated inflammation. The team's study suggests that understanding how nanomaterials interact with cells is crucial for designing products that help cells rather than harm them.
Researchers have developed a novel antireflective coating using randomly oriented silicon nanowires, capturing a broad spectrum of light waves and increasing solar cell efficiency. The process is relatively inexpensive and could be scaled up for large manufacturing operations.
Researchers at Michigan State University have discovered that Geobacter bacteria can generate electricity while cleaning up uranium contamination in soil. The nanowires on the surface of these tiny micro-organisms play a key role in this process, effectively immobilizing uranium and preventing its mobility.
A new study from Rice University reveals that gold nanowires less than 20 nanometers wide can become brittle-like under stress, exhibiting unique properties on the nanoscale. Researchers found twins in nanowires to be a key factor in reducing ductility, leading to premature fracture.
The UMass Amherst team discovered a fundamental property of microbial nanowires in Geobacter sulfurreducens that allows for long-range electron transport. This breakthrough could lead to cheaper, nontoxic nanomaterials for biosensors and solid-state electronics.
Researchers at Rice University have developed a hybrid energy storage device packed into a single nanowire, which shows promise as a rechargeable power source for nanoelectronics. The devices have good capacity but require further optimization to improve performance.
Scientists at the University of Pennsylvania have developed a nanoscale plasmonic cavity that drastically reduces emission lifetime in semiconductors. By engineering high-intensity electromagnetic fields and controlling confinement, they achieve an unprecedented record-breaking emission lifetime measured in femtoseconds.
Researchers create ultra-portable electronic devices by connecting molecular components using conductive nanowires. The breakthrough enables cheaper, higher-performance alternatives to conventional silicon-based devices.
Researchers at Harvard University developed a coating that improves nanowire efficiency and sensitivity for photodetectors and energy harvesting applications. The coated wires showed a 90-fold increase in photosensitivity, reducing surface recombination nearly two orders of magnitude.
Researchers have developed a new semiconductor nanowire laser technology that can potentially kill viruses, increase storage capacity of DVDs, and provide superfast data processing. The discovery uses p-type zinc oxide nanowires, which can offer smaller sizes, lower costs, and higher powers.
Researchers at NIST have developed a tungsten-silicon alloy that significantly improves the efficiency of ultrafast single-photon detectors, enabling their use in quantum communications and computing systems. The new detection method can capture photons across longer wavelengths, including those used in telecommunications.
Researchers have developed nano-sized sensors that detect harmful pollutants at lower concentrations and with greater reliability than traditional commercial gas sensors. The new nanowire sensors operate at room temperature, reducing power consumption and enabling more widespread use.
A new study by NIST and George Mason University researchers may have found the optimal characteristics for a type of computer memory based on nanowires. The technology has the potential to store information faster and at lower voltage, making it suitable for applications such as portable computers and cell phones.
Researchers at the University of Pennsylvania have made significant progress in controlling the characteristics of lead selenide nanowires, a promising material for semiconductors. By manipulating the exposure to oxygen and chemical hydrazine, they can alter the conductive properties between p-type and n-type devices.
Lawrence Livermore researchers have developed a nanosensor that relies on semiconductor nanowires to detect various molecules quickly and selectively responds to different types of solvent molecules. The device is simple, highly sensitive and could be the first step in making an easily deployable chemical sensor for the battlefield.
Engineers at Harvard University have discovered that individual, vertical silicon nanowires can display vibrant colors of the spectrum, dependent on their diameter. The finding has potential applications in increasing efficiency and detecting color without filters in nanoscale image sensor devices.
Yale engineers have developed miniscule nanowires made of a novel material that boosts long-term performance in fuel cells. The nanowires' high surface area exposes more catalyst, increasing efficiency.
Scientists have developed a fast-recharge, three-dimensional lithium-ion battery that recharges in minutes, not hours. The new battery has a longer lifespan and can store more energy per unit volume, making it ideal for electric cars.
Scientists have developed the first commercially viable nanogenerator that can generate electricity using body movements like a finger pinch. The device is powered by zinc oxide nanowires and has improved power output by thousands times and voltage by 150 times.
Researchers have gained a deeper understanding of how nanowires form, thanks to a new theoretical model. The discovery reveals that the shape of catalyst particles controls the growth of nanowires and their crystal structure.
The new method developed by NC State researchers allows for the controlled assembly of nanowires on rubber substrates, facilitating research into device applications such as nanoelectronics and nanosensors. By stretching the rubber substrate, the alignment and density of the nanowires can be precisely controlled.
Stevens researchers create reliable nano-actuators that can benefit diverse applications, including biomaterials and nano robots. The precise arrangement of nanowires is crucial for practical applications, but current techniques face limitations.
Engineers at Harvard and MITRE create the world's first programmable nanoprocessor, capable of performing arithmetic and logical functions. The prototype represents a significant advancement in computer circuit complexity, enabled by advances in nanowire design and synthesis.
Researchers at Northwestern University have found that piezoelectricity in GaN and ZnO nanowires increases by two orders of magnitude as the diameter decreases. This could lead to more efficient energy harvesting devices.
Researchers at North Carolina State University have successfully created the first coils of silicon nanowires on a stretchable substrate that can be stretched to more than double their original length. The new design improves the stretchability of electronic materials without compromising their electric functionality.
Dutch researchers have successfully controlled qubits using electrical fields instead of magnetic ones, paving the way for a future super-fast quantum computer. They also embedded these qubits into semiconductor nanowires, which are ideal for quantum information processing.
Researchers at Sandia National Laboratories have created the world's smallest battery using a single tin oxide nanowire anode, which nearly doubles in length during charging. The discovery provides new insights into lithium batteries and could improve power and energy density.