A KAIST research team has developed graphene-inorganic-hybrid micro-supercapacitors made of leaves using femtosecond direct laser writing lithography. The innovation enables mass production of flexible and green graphene-based electronic devices, reducing waste and environmental issues associated with traditional batteries.
Researchers at Rice University found that iron itself plays a role in its own corrosion when exposed to supercritical CO2 and trace amounts of water. Thin layers of 2D materials like graphene can serve as a barrier to prevent corrosion.
Researchers have successfully synthesized a new 2D material, 2D cuprous iodide, by stabilizing it in a graphene sandwich. The study's lead author notes that understanding the structure was crucial to designing a chemical process for large-scale production.
Researchers have developed a method to analyze audio from graphene production, allowing for near-instantaneous assessment of product type and purity. This approach could improve manufacturing processes, such as flash Joule heating and sintering, by providing real-time data on material properties.
A Korean research team created a DUV LED using hexagonal boron nitride (hBN), emitting strong UV light with low skin penetrability. The new material has higher luminescence efficiency and enables miniaturization, making it suitable for various applications.
A UCF researcher is leading a $1.5 million DARPA project to develop a highly sensitive infrared imaging system that can enhance night vision, space exploration, and healthcare diagnostics. The system will use graphene-based nano-antennas to collect light, enhancing infrared absorption by over 30 times.
A new graphene-based platform allows researchers to control the interaction strength between electrons and holes, enabling the formation of quantum condensates at room temperature. The platform's tunability enables testing of theoretical predictions about superconductivity and its potential for higher temperature limits.
Researchers at JAIST have demonstrated a high thermal rectification ratio on suspended asymmetric graphene nanomesh devices at low temperatures. The device shows promise for developing a high-efficiency thermal rectifier based on graphene nanomesh structure.
Researchers at Brown University discovered that magic-angle graphene becomes a powerful ferromagnet when spin-orbit coupling is introduced. This finding opens up new possibilities for quantum science research and potential applications in computer memory and quantum computing.
Researchers have discovered a new electronic nematic phase in twisted double bilayer graphene, which breaks the material's symmetry and allows for the re-alignment of electrons. This finding adds to our understanding of graphene-based systems and may hold implications for the study of superconductivity.
Researchers at Japan Advanced Institute of Science and Technology developed a graphene sensor that detects electric fields with improved efficiency and reduced size. The mechanism involves the transfer of charges between graphene and traps, allowing for the detection of field polarity and magnitude.
Researchers at Lawrence Berkeley National Laboratory developed a method to stabilize graphene nanoribbons and directly measure their unique magnetic properties. By substituting nitrogen atoms along the zigzag edges, they can discretely tune the local electronic structure without disrupting the magnetic properties.
Researchers have successfully incorporated phosphorene nanoribbons into new types of solar cells, achieving an efficiency above 21%, comparable to traditional silicon-based solar cells. The unique properties of PNRs, including improved hole mobility, enable the creation of high-performance optoelectronic devices.
Researchers developed a method to directly grow high-quality graphene on wafer-scale insulators without transfer, achieving improved electrical performance and carrier mobility. The approach utilizes copper acetate to supply copper clusters, enhancing precursor decomposition and resulting in robust graphene films.
Researchers discovered a graphene-like material called magnetene that exhibits ultra-low friction, contrary to predictions based on Van der Waals forces. Quantum effects play a crucial role in its behavior, making it suitable for use in micro-electro-mechanical systems and implantable devices.
Researchers develop new epitaxial growth mechanism to achieve large-scale single-crystal WS2 monolayers, overcoming a crucial hurdle in replacing silicon with 2D materials. The technique enables uniform alignment of small crystals and leads to the successful growth of wafer-scale single-crystals of WS2, MoS2, WSe2, and MoSe2.
Theorists have observed a rare phenomenon called the quantum anomalous Hall effect in bilayer graphene, a naturally occurring, two-atom thin layer of carbon atoms. The researchers found eight different ground states exhibiting ferromagnetism and ferroelectricity simultaneously.
A team of UBCO researchers developed a recipe for a clean-burning, power-boosting aircraft fuel by adding graphene oxide nanomaterials to ethanol. This mixture improves the burn rate by about eight per cent, reducing carbon footprint and increasing engine power.
Researchers from Germany and Spain successfully create a uniform two-dimensional material with exotic ferromagnetic behavior known as easy-plane magnetism. This discovery opens up new possibilities for spintronics, a technology that uses magnetic moments instead of electrical charges.
A new study proposes a clean technique to dope graphene via a charge-transfer layer made of low-impurity tungsten oxyselenide (TOS), increasing its electrical mobility. The researchers found that doping graphene with TOS resulted in higher electrical conductivity and transparency compared to previous methods.
Researchers have discovered that twisted bilayer graphene can guide and control light at the nanometer scale due to its unique interaction with collective electron movements. This property enables the material to be used as a platform for optical sensing of gases and bio-molecules.
Researchers at Duke University developed electrochromic technology that can alternate between harvesting heat from sunlight and allowing an object to cool. The device, which uses a thin layer of graphene and metal nanoparticles, demonstrates a tuning range of thermal radiation never seen before.
Scientists have developed a new material, black phosphorous, only three atoms thick, which can control light with unprecedented precision. This breakthrough technology has the potential to revolutionize telecommunications and pave the way for Li-Fi, a light-based replacement for Wi-Fi.
Researchers discovered a resemblance between magic graphene's superconductivity and high-temperature superconductors, shedding light on the mysterious ceramic compounds. The study provides evidence for unconventional superconductivity in magic bilayer graphene.
Researchers have found a way to stabilize the novel quantum effect in graphene at room temperature, which could lead to breakthroughs in data storage and computer components. The discovery was made using standard microfabrication techniques and showed that the material can generate its own magnetic field.
The Army has pledged $5.2 million to Rice University's research on flash Joule heating, a process that turns waste into graphene and other valuable materials. The technology can recover precious metals from electronic waste and toxic metals from contaminated soil.
A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.
Researchers at DTU have developed a new method for designing nanomaterials with unprecedented precision, allowing for the creation of compact and electrically tunable metalenses. This breakthrough enables the development of high-speed communication and biotechnology applications.
A team of scientists at ETH Zurich has discovered a new correlated state in twisted double layers of graphene, where negatively charged electrons and positively charged holes pair up to form an electrically neutral state. This state can transmit information or conduct heat without conducting electric current.
A research team has successfully fabricated single-layer tetracene molecular crystals using two-dimensional inorganic crystals as substrates. The resulting material exhibits extraordinary photostability and Davydov splitting, making it a promising candidate for OLEDs and organic photoelectric energy conversion.
Researchers from University of Technology Sydney have developed new technology that integrates quantum sources and waveguides on chip using hexagonal boron nitride and adhesive tape. This innovation paves the way for future everyday use of quantum communications, improving online security and privacy.
A team of researchers at the Institute for Basic Science has developed a method to produce large-area, single-crystal graphene with no wrinkles or adlayers. This breakthrough enables the creation of high-performance devices oriented in any direction over the entire graphene film.
The study reveals that the capacity of sodium ions can match today's lithium-ion batteries, offering a cost-efficient and abundant alternative for energy storage. The unique structure of Janus graphene enables high-capacity energy storage, with specific capacities approaching those of lithium in graphite.
Scientists detected electronic and optical interlayer resonances in bilayer graphene by twisting one layer 30 degrees, resulting in increased interlayer spacing that influences electron motion. This understanding could inform the design of future quantum technologies for more powerful computing and secure communication.
Researchers at Aalto University have discovered that fibrous red phosphorous, when electrons are confined in its one-dimensional sub-units, shows large optical responses. The material demonstrates giant anisotropic linear and non-linear optical responses, as well as emission intensity.
Researchers at Chalmers University of Technology have developed a method to prevent bacterial infections on medical implants by covering graphene with bactericidal molecules, which are released in a controlled manner. The new material has shown promising properties and paves the way for more effective antibacterial protection.
Researchers at C-Crete Technologies have developed a method that utilizes deep learning to quickly predict and design novel hybrid organic-inorganic materials, offering improved materials design for various industries. By feeding quantum mechanics calculations to layered machine learning based on artificial neural networks, they can un...
Researchers observed signs of spin-triplet superconductivity in magic-angle trilayer graphene, which resists high magnetic fields and could improve MRI technology. This exotic material's ability to persist superconducting under strong magnetic fields has the potential to revolutionize technologies like quantum computing.
A novel alternative mechanism to achieve superconductivity in graphene has been discovered by researchers at the Center for Theoretical Physics of Complex Systems. This breakthrough involves interactions between electrons and bogolons, which can confer superconductivity up to 70 Kelvin within graphene.
Researchers developed graphene oxide membranes that maintain better filtration performance than commercial polymeric membranes. These membranes preserve the texture, flavor, and nutritional value of milk by rejecting fat, proteins, and some minerals.
Researchers at Aalto University have successfully created heavy fermions in graphene, a non-radioactive alternative to rare-earth compounds. This discovery could pave the way for sustainable exploitation of heavy fermion physics in quantum technologies.
Researchers have successfully synthesized macroscopic thick three-dimensional porous graphene films using high-energy electron beams. The resulting material exhibits excellent electrochemical storage capacity and photothermal performance, making it suitable for applications in supercapacitors and solar photothermal anti-icing.
The team has developed supercapacitors that have been tested for 10,000 cycles of charging and discharging cycles, demonstrating their reliability. Additionally, they have printed micro-supercapacitors on mechanically flexible surfaces using polyimide substrates, showcasing the versatility of these devices.
Researchers successfully manipulated graphene's electronic properties by applying uniform mechanical stress, enabling the development of new electronic components and sensors. The results demonstrate a direct correlation between atomic distance and electronic states in graphene.
The KAUST team's solution involves a layer of hierarchically porous graphene that significantly suppresses polysulfide shuttling in Li-S batteries. This innovation improves the capacity and recharging ability of Li-S battery technologies, making them suitable for large-scale commercial applications.
Researchers at Nagoya University developed a new synthesis method for nanographenes, using polycyclic aromatic hydrocarbons as templates. This approach enables the creation of multiple nanographenes with varying characteristics, addressing the challenge of identifying relationship between structure and properties.
Researchers develop method to control flash Joule heating process to produce valuable allotropes, including fluorinated nanodiamonds and graphene. The process uses organic fluorine compounds and fluoride precursors to create the desired structures.
Scientists have successfully controlled graphene at an atomic scale using a novel experimental setup and machine learning algorithms. The breakthrough enables the creation of large-scale structures with tailored properties, opening up new avenues for materials design.
Graphene drum technology induces coherent emission of sound energy quanta, enabling new quantum optomechanical sensors and transducers. The device amplifies external vibrations at specific frequencies, showing potential applications in classical and quantum sensing.
Researchers developed a graphene-based sensor to record real-time electrical activity of a beating heart, offering high sensitivity and parallel detection. The 'graphene camera' allows for imaging entire networks of cells simultaneously, enabling new studies on neural networks.
Researchers at the University of Illinois Chicago have developed a graphene-based sensor that can detect SARS-CoV-2 virus in laboratory experiments. The sensor uses atomic-level vibrations to identify COVID-positive samples, with results evident in under five minutes.
Researchers at the University of Manchester developed graphene-based nanochannels that significantly reduce water friction, leading to enhanced permeation and efficiency in membrane processes. This breakthrough has potential applications in desalination, energy storage, and wastewater treatment.
Using high-performance computing (HPC) and experiments, researchers continue to develop more efficient methods for producing graphene at the industrial scale. The team used GCS HPC resources to run simulations of graphene formation on liquid copper, aiming to create a faster and cheaper method for large-scale production.
Researchers at NTU and Rice University have discovered the key to h-BN's extraordinary toughness, which can withstand ten times more force than graphene. The team found that the unique chemical composition of h-BN causes cracks to branch off their path, making it less likely to fracture.
The study reveals that the carrier transport behavior changes from semiconducting to metallic properties as the number of layers increases, with a crossover point at around five layers. This discovery provides design guidelines for graphene devices and accelerates their application in high-speed transistors and ultra-thin wiring.
Researchers discovered hexagonal boron nitride's fracture resistance is about 10 times higher than graphene's, due to slight asymmetries in its atomic structure. This finding opens up new possibilities for fabricating tough mechanical metamaterials through engineered structural asymmetry.
Researchers at the University of Jyväskylä have demonstrated a new method to make graphene ultrastiff using optical forging, increasing its stiffness by several orders of magnitude. The technique, which involves irradiating defects in the graphene lattice, opens up new application areas for this wonder material.
Construction firm Nationwide Engineering has made history by pouring the world's first sustainable graphene concrete slab in a commercial setting. The innovative material is strengthened by 30% compared to standard concrete, significantly reducing material use and carbon footprint.
Scientists investigate 'bite' defects in armchair and zigzag graphene nanoribbons, finding they can disrupt electronic transport but also yield spin-polarized currents. The study aims to minimize the detrimental effects of these defects on charge transport for next-generation nanotechnologies.
A new method has been developed to observe graphene growth on a microchip surface in real time, using a standard scanning electron microscope. This technique enables the reliable production of graphene layers and reduces growth times from several hours to just minutes.