Articles tagged with Nanoribbons
Scientists at Berkeley Lab and UC Berkeley have developed a new method to synthesize graphene nanoribbons from pre-designed molecular building blocks, enabling the creation of width-varying nanoribbons with enhanced properties. This breakthrough represents progress towards controllably assembling molecules into desired shapes.
Researchers have created a theoretical model to tune the conductivity of graphene zigzag nanoribbons by applying periodic ultra-short pulses. This could lead to the development of ultrafast electronic switches and graphene-based devices that only conduct electricity when an external pulse is applied.
Rice University scientists have developed a transparent coating for glass that can keep surfaces free of ice and fog while maintaining radio frequency transparency. The graphene nanoribbon film, refined for consistency, retains its heat-conductive properties when applied to glass or plastic surfaces.
Scientists create doped graphene nanoribbons with nitrogen atoms, enabling directional electronic current flow and solving scaling issues. The development allows for the transfer of ultra-narrow graphene ribbons onto non-conductive materials, paving the way for future graphene-based electronics.
Researchers from University of Pennsylvania use cutting-edge microscope to study graphene nanoribbons, revealing how atomic geometry affects electrical conductivity. The study provides crucial insights for designing graphene-based integrated circuits and computer chips.
Researchers at Rice University have found a way to unzip carbon nanotubes into graphene nanoribbons without using chemicals, by firing them at high speeds. The process works by hitting the nanotubes broadside or lengthwise, resulting in ribbons with ragged edges that can be used for strength and electrical properties.
Researchers have discovered conditions under which graphene nanoribbons can function as electronic switches. The study reveals that the transport gap, a critical factor for switch functionality, is inversely proportional to the ribbon's width and independent of crystallographic orientation.
Researchers discovered graphene nanoribbons exhibit exceptional ballistic transport, allowing electrons to flow smoothly along the edges. This property could lead to ultra-fast computing and new types of electronic devices that exploit room temperature conductivity.
Rice University scientists have developed a spray-on coating made from graphene nanoribbons that can melt ice on sensitive radar domes without interfering with radio frequencies. The material is also transparent and durable, making it a promising competitor to existing deicing technologies.
Rice University researchers have discovered a novel technique to create sub-10-nanometer graphene nanoribbons by utilizing the meniscus effect of water. This breakthrough enables the formation of long wires only a few nanometers wide, which is crucial for the development of microelectronics devices.
Researchers at Rice University have successfully synthesized graphene nanoribbons on metal from the bottom up, a process that could lead to breakthroughs in electronics and energy storage. The 'onion rings' of graphene were grown using a new method that relies on hydrogen pressure and controlled growth conditions.
Researchers have developed a new graphene technique that significantly increases lithium-ion battery storage capacity by combining graphene nanoribbons with tin oxide. The resulting prototype battery retains more than double the capacity of standard graphite anodes after repeated charge-discharge cycles.
Researchers at Aalto University and Utrecht University have successfully created single atom contacts between gold and graphene nanoribbons. This breakthrough demonstrates how to make electrical contacts with single chemical bonds to graphene nanoribbons, enabling the use of graphene nanostructures in future electronic devices.
Rice University researchers have developed a new method to boost the efficiency of lithium-ion batteries using graphene nanoribbons and tin oxide. The new anodes showed initial capacities of more than 1,520 mAh/g, settling into 825 mAh/g after repeated charge-discharge cycles.
By fabricating graphene structures atop nanometer-scale steps etched into silicon carbide, researchers have created a substantial electronic bandgap suitable for room-temperature electronics. The bandgap allows for the fabrication of transistors and other devices, potentially opening the door for developing all-carbon integrated circuits.
A new method to produce nanomaterials has been discovered, utilizing the twisting of graphene nanoribbons to create carbon nanotubes. This technique enables experimental control and can be used to make various novel carbon nanotubes.
Graphene nanowiggles exhibit highly varied band gaps and magnetic properties, enabling customization of nanostructures for different tasks. The discovery provides a roadmap for building and designing new devices using these promising nanomaterials.
Researchers discovered that bundling boron nanoribbons can significantly increase their thermal conductivity. The flat surface structure of the nanoribbons allows for tighter contact between individual structures through van der Waals interactions, enabling efficient phonon transmission and enhanced heat transfer.
Researchers at Vanderbilt University discovered a new way to enhance thermal conductivity, allowing for cooler computer chips and lasers. The technique involves controlling the interface between two thin strips of material, such as boron nanoribbons, with different solutions.
The discovery of GNR@SWNTs opens up potential applications in electronics, optoelectronics, and energy storage. Researchers have found that the shape of encapsulated graphene nanoribbons can be modified by different polyaromatic hydrocarbon molecules, allowing for metallic or semiconductor properties.
Researchers at the University of Nottingham have pioneered a new method for producing graphene nanoribbons, which could revolutionize electronic devices. The breakthrough allows for the creation of nano-switches, nano-actuators, and nano-transistors with unprecedented physical properties.
Scientists have developed a technique to mass-produce high-quality boron nitride nanoribbons with uniform lengths and thickness, opening doors for various electronic and magnetic properties. The ribbons display unique edge orientations, such as zigzag or armchair shapes, which are crucial determinants of their properties.
Researchers confirm theoretical predictions and discover edge-states in graphene nanoribbons, exhibiting unique electronic properties. The findings open the possibility of building quick-acting, energy-efficient nanoscale devices from graphene-nanoribbon switches.
Researchers at Georgia Tech have developed a templated growth technique to produce graphene nanoribbons with metallic properties, addressing the challenge of connecting graphene devices. The narrow ribbons can conduct current with minimal resistance, making them ideal for quantum devices.
Researchers at UCLA develop topological insulator nanoribbons to enable high-performance, low-dissipation electronic devices. The team successfully controls surface conduction and demonstrates significant progress toward practical device applications.
Physicists in Iran have created a spintronic device based on armchair graphene nanoribbons, which could revolutionize handheld electronics and drastically reduce manufacturing costs. The device has been shown to be an effective spin switch, with properties useful for magnetic random access memory.
A team of scientists and engineers from Stanford, University of Florida, and Lawrence Livermore National Laboratory created an n-type transistor out of graphene nanoribbon, opening the door to faster, smaller, and more versatile computer chips.
Researchers at Stanford University have developed a new method to produce mass quantities of graphene nanoribbons, which are essential for electronics applications. The technique uses plasma etching to slice open carbon nanotubes, creating uniform ribbons with smooth edges.
Scientists at Rice University have found a way to produce ultrathin, electrically conductive nanoribbons using a room-temperature chemical process. These ribbons are made from graphene, the single-layer form of graphite, and exhibit remarkable strength and conductivity.
Researchers at Stanford University have developed a new way to make transistors out of carbon nanoribbons, which can operate at room temperature and increase the speed of computer chips. The devices are smoother and narrower than previously made graphene nanoribbons, allowing them to work at higher temperatures.
Researchers at Berkeley Lab have created low-loss and highly flexible optical waveguides using semiconductor nanoribbons, which can be integrated into photonic circuits. The nanoribbon waveguides were synthesized from tin oxide and demonstrated the ability to propagate and modulate light through subwavelength optical cavities.