Articles tagged with Graphene
Graphene-based wearables track UV exposure, heart rate, hydration and oxygen saturation, while also enabling night vision through camera sensors and spectrometers. These technologies have potential applications in healthcare, food inspection and surveillance.
Researchers at Rice University have developed composites of laser-induced graphene that can be used for wearable electronics, heat therapy, water treatment, anti-icing, and antimicrobial surfaces. The new composites were created by infusing LIG with materials like plastic, rubber, and wood, and show improved mechanical robustness.
A research team at Tohoku University has created a new material for supercapacitors with exceptional stability under harsh conditions, exceeding conventional activated carbons by 2.7 times in voltage stability.
Researchers at the University of Groningen have produced devices with stable Germanene, revealing its electronic properties. The material exhibits insulating, semiconducting, and metallic conducting behavior depending on heat treatment, making it suitable for spintronic device applications.
Rice University researchers have developed a nano-infused ceramic that can act as a sensor for structures, monitoring their health and reporting damage. The ceramic's unique electrical properties make it suitable for self-sensing applications in buildings, bridges, and aircraft.
Researchers from the University of Exeter have developed a new graphene biosensor that can detect molecules of common lung cancer biomarkers. The device has the potential to revolutionize existing electronic nose devices and provide an early-stage lung cancer diagnosis through a convenient and reusable breath test.
By combining experimental results with simulations, researchers can gain insights into the atomic structure of 2D materials like graphene. This breakthrough could lead to the development of more efficient batteries and other electronics.
Researchers at FAU have successfully produced large, stable pieces of graphene with a zigzag edge pattern. This breakthrough enables the control of shape and periphery, which is crucial for investigating electronic properties in detail.
Researchers at Brown University have discovered that graphene crinkles can be used to assemble molecules into linear arrays, known as 'molecular zippers'. This phenomenon enables easier manipulation and study of molecules, which could have applications in studying biomolecules like DNA and RNA.
Researchers have discovered that integrating graphene with metal in circuits reduces contact resistance impact from humidity, enabling more efficient sensors. This breakthrough could lead to significant cost reduction and better environmental monitoring.
A team of researchers from FAU Erlangen-Nürnberg has successfully synthesized large, stable pieces of zigzag-shaped graphene using a novel method. The process delivers high yields and is suitable for large-scale production, paving the way for further investigation into the material's electronic properties.
Researchers have developed a soft and moldable graphene oxide material called GO dough that solves several challenges in the graphene manufacturing industry. This innovative material can be shaped and reshaped into free-standing structures without combustion risks or heavy packaging issues.
Researchers have developed a graphene-based sensor that can detect brain activity below 0.1 Hz, unlocking new insights into epilepsy and brain function. This technology could lead to novel multiplexing strategies, enabling unprecedented mapping of low-frequency neural signals.
Researchers at Columbia University have developed a new method to fine-tune adjacent layers of graphene using pressure to induce superconductivity. The discovery provides critical confirmation of previous findings and offers an alternative paradigm for manipulating electronic properties in graphene, potentially leading to the developme...
Researchers studied graphene and related materials' physicochemical characteristics and biological effects, finding varying properties lead to differing toxicity. The study provides a solid guide for safe use of these materials, essential for widespread utilization.
Researchers have characterized graphene nanoribbons grown in both configurations on the same wafer, opening up a path towards high-speed, low-power nanoelectronics. The unique properties of graphene nanoribbons are closely related to their precise structure and symmetry.
Researchers found that water seeps between graphene layers at 22% relative humidity, modifying the material's interaction. The study suggests that graphene-based devices may function differently in humid environments, highlighting the need to record relative humidity in future experiments.
Researchers at Washington University in St. Louis have developed a novel membrane technology that purifies water while preventing biofouling using bacterial nanocellulose and reduced graphene oxide. The new membrane can filter water twice as fast as commercially available ultrafiltration membranes and is environmentally friendly.
Distinguished Professor Ruoff has been recognized by Clarivate Analytics as a probable winner of the physics prize for his work on carbon-based materials, including capacitive energy storage and supercapacitors. He is one of 17 top-tier scientists selected globally.
The researchers have produced a catalog of exact sizes and shapes of holes that form in 2-D sheets when atoms are missing from the material's crystal lattice. This new catalog could help open up various potential applications, including filtration, chemical processing, DNA sequencing and quantum computing.
Researchers have explored graphene family of materials for their potential use in targeted drug delivery and cellular imaging. These nano-biomaterials exhibit excellent physicochemical properties, making them suitable for various biomedical applications.
Researchers at MIT and elsewhere have recorded the temporal coherence of a graphene qubit, demonstrating a key step forward for practical quantum computing. The qubit maintained a superposition state for 55 nanoseconds before returning to its ground state.
Researchers at Lobachevsky University develop theory for ultrafast photon control in integrated microchips, improving performance and contributing to the development of photon technologies. They rule out possibility of amplifying light waves by changing electron concentration in graphene.
Researchers at NYU Tandon School of Engineering have developed a physics-based model that reveals the relationship between structural defects in graphene and electrode sensitivity. By optimizing point defects in number and density, they can create an electrode up to 20 times more sensitive than conventional ones.
Research reveals pristine graphene can efficiently convert light into electricity with no special junctions, leading to potential improvements in solar panels and photodetectors. The unique electronic structure of graphene allows for long-distance energy transfer without excess electronic charge.
Researchers at University of Illinois Chicago used graphene to identify cerebrospinal fluid from patients with ALS, multiple sclerosis, or no neurodegenerative disease. The study found unique changes in graphene's vibrational characteristics depending on the patient's condition.
A new graphene-based sensor design can detect multiple substances simultaneously, including bacteria and pathogens, offering improved food safety. The sensor's high sensitivity and adjustable properties make it suitable for a wide range of applications.
Researchers have discovered a way to create artificial magnetic fields using graphene sheets with a twist, enabling the control of electronic properties through electrical fields. This breakthrough has clear technological potential and could lead to new materials with unique properties.
Researchers identify silicon contamination in graphene, which has hindered its performance. By removing contamination, the material's full potential is revealed, doubling its performance and enabling the creation of high-capacity supercapacitors and sensitive humidity sensors.
Researchers at NIST have conducted simulations suggesting that graphene can be stretched to create a tunable ion filter, increasing ion flow by up to 1,000 percent. This could have applications in nanoscale mechanical sensors, drug delivery, water purification and sieves for ion mixtures.
Brown University researchers have developed a new smart material made from alginate and graphene oxide that is stiffer and more fracture-resistant than alginate alone. The material can also become softer or stiffer in response to different chemical treatments, making it useful for dynamic cell cultures and coatings.
Scientists have successfully grown large, good-quality monatomic sheets of germanene using an innovative annealing technique. This breakthrough could pave the way for a new generation of electronics with improved energy efficiency and reduced size.
Rice University scientists have developed a new epoxy compound that combines graphene foam for improved conductivity and strength. The composite material is substantially tougher than pure epoxy and far more conductive, while retaining its low density.
A lack of production standards in the graphene market has led to inferior products being sold as high-grade. NUS researchers developed a reliable method for testing graphene quality, finding that most samples contained less than 10% real graphene flakes.
Scientists improved graphene's response to light by 600% using self-assembling wire-like nanostructures. The new design enhances light absorption and charge transfer, enabling faster detection of low-level light in various applications.
Researchers have identified a flat band area in graphene that is a prerequisite for superconductivity, but requires further assistance to achieve. The discovery uses high-resolution angle-resolved photoemission spectroscopy (ARPES) and could lead to controlled band structure manipulation.
A team of scientists and engineers at the University of Illinois has developed a new technique for creating nanoscale-size electromechanical devices by using graphene as an etch stop. This allows for precise patterning of two-dimensional structures, enabling the creation of complex devices with improved performance.
Researchers have successfully created complex multi-principle element transition metal dichalcogenides with unique quantum phenomena. By combining layered TMDCs using ball-milling and reactive fusion, they have demonstrated the possibility of forming 3D-heterostructured architectures with tunable properties.
Researchers at Linköping University have developed a method to produce graphene with several layers in a controlled process, enabling the conversion of carbon dioxide and water into renewable fuel. The graphene also exhibits superconducting properties when arranged in a special way.
A Rochester Institute of Technology researcher is collaborating on a multi-university project exploring quantum science in levitated mechanical systems. The project aims to create and sustain a quantum state with levitated optomechanics using advanced sensing designs based on the 'optical tweezers' technique.
The special issue explores composite materials' potential for sustainable applications, including biodegradable composites for packaging and recycling of plastic waste.
Researchers have discovered a new class of 2D magnetic materials with promising applications in electronics. These ultra-thin layers exhibit unique properties, such as ferromagnetism, antiferromagnetism, and magnetism control, which can be manipulated electrically or optically.
Bedimensional, a Graphene Flagship start-up, has received €18 million in private investment to develop new applications of graphene and related materials. The investment will enable the company to build a new headquarters with dedicated facilities for graphene production and research.
MIT researchers have developed a method to control the fracturing process of atomically-thin, brittle materials, directing it to produce miniscule pockets of predictable size and shape. Embedded inside these pockets are electronic circuits and materials that can collect, record, and output data.
Researchers applied polydopamine as an infiltrate binder to achieve high mechanical and electrical properties in graphene-based liquid crystalline fibers. The bio-inspired defect engineering overcomes the limitations of conventional graphene fibers, making it suitable for flexible electronics, textiles, and wearable sensors.
Scientists have successfully modified arsenene with chloromethylene groups, improving its semiconducting properties. The modified material exhibits strong luminescence and electronic properties, making it attractive for optoelectronic applications.
Researchers demonstrate graphene-based photonic devices for ultra-wide bandwidth communications coupled with low power consumption. The findings have the potential to surpass the demands of 5G, IoT, and Industry 4.0.
Researchers from Vanderbilt University have developed atomically thin membranes with nanoscale holes, showcasing improved permeance and faster diffusion rates compared to traditional commercial membranes. This breakthrough has the potential to transform small molecule separation, fine chemical purification, and other processes.
Researchers create semiconducting films from materials like gallium arsenide, lithium fluoride, and silicon, with potential for low-cost, high-performance devices. The technique uses remote epitaxy and graphene, allowing for the production of flexible electronics that outperform traditional silicon-based devices.
Researchers at UIC have discovered a way to treat boron nitride, making it bind to other materials like electronics, biosensors, and airplanes. This breakthrough could significantly improve their performance.
A University of Illinois team found that twisted bilayer graphene exhibits a Wigner crystal, not a Mott insulator, by injecting electrons into the material. This discovery holds promise for room-temperature superconductors and other groundbreaking applications.
Scientists have developed a way to wrap photocathodes in graphene to prevent degradation and extend their lifetimes. The thin layer of graphene provides insulation from air without hampering charge mobility or quantum efficiency.
Researchers at the University of Illinois have developed a new method of protecting artifacts by coating them with a single layer of graphene on top of metal leaves, doubling their protective quality. The technique, known as graphene gilding, offers enhanced mechanical resistance and cost-effectiveness.
A novel nano material with electrical and magnetic properties has been synthesized by researchers at DTU Chemistry. The material, Chromium-Chloride-Pyrazine, is an organic/inorganic hybrid with promising prospects for quantum computing, superconductors, catalysts, batteries, fuel cells, and electronics.
Researchers have demonstrated graphene's ability to convert electronic signals at gigahertz frequencies into signals at several times higher frequencies, paving the way for ultrafast graphene-based nanoelectronics. The breakthrough achieved using a novel terahertz radiation source enables efficient frequency multiplication in graphene.
Researchers have developed a new method to directly observe the crystallisation process of two-dimensional materials under the electron microscope. This allows for accurate study and control of the process, leading to better production methods for ultra-thin crystals with desired properties.
The study provides guidance on synthesizing high-quality graphene with less domain boundaries. Researchers found that the lattice orientation of graphene is determined by the Cu crystal it is nucleated on, regardless of the substrate's crystallinity.
Researchers at NIST create graphene quantum dot structure using magnetic fields, confirming novel pattern of concentric rings. The discovery has practical applications in quantum computing and opens possibilities for relativistic quantum simulators.
Virginia Tech researchers have developed a new method to 3D print complex graphene structures with high resolution, unlocking possibilities for applications in various industries. The breakthrough enables the creation of any size or shape of graphene, preserving its strength and conductivity.
Researchers found that myeloperoxidase can degrade both single-layer and few-layer graphene, opening up new avenues for developing biodegradable graphene-based materials. This discovery is crucial for ensuring the safe use of graphene in biomedical applications.