Graphene
From foe to friend: Graphene catalyzes the C-C bond formation  PHYS.ORG · 2 hours
Graphene monolayers can be epitaxially grown on many single-crystal metal surfaces under ultra-high vacuum. On one side, these monolayers protect highly reactive metallic surfaces from contaminants, but on... more
Graphene catalyzes the reversible formation of a C-C bond between two molecules  Science Magazine · 3 days
Carbon deposits are well-known inhibitors of transition metal catalysts. In contrast to this undesirable behavior, here we show that epitaxial graphene grown on Ru(0001)... more
Graphene catalyzes the reversible formation of a C-C bond between two molecules  nanowerk · 3 days
Researchers have demonstrated that graphene deposited on a metal surface promotes an unusual chemical reaction that would hardly take place under noncatalyzed conditions. more
For a longer battery life: Pushing lithium ion batteries to the next performance level  SCIENCE DAILY · 4 days
Conventional lithium ion batteries have reached performance limits. Scientists have now developed a new nanostructured anode material for lithium ion... more
Pushing lithium ion batteries to the next performance level  PHYS.ORG · 4 days
Conventional lithium ion batteries, such as those widely used in smartphones and notebooks, have reached performance limits. Materials chemist Freddy Kleitz from the Faculty of Chemistry of the University of... more
Cutting and pasting with graphene  PHYS.ORG · 6 days
To date it has proved very difficult to convert the promises of the miracle material graphene into practical applications. Amedeo Bellunato, Ph.D. candidate at the Leiden Institute of Chemistry, has developed a method of cutting graphene into smaller... more
Cutting and pasting with graphene  nanowerk · 6 days
Scientists have developed a method of cutting graphene into smaller fragments using a diamond knife. They can then construct nanostructures from the fragments. more
Proteins imaged in graphene liquid cell have higher radiation tolerance  PHYS.ORG · 1 week
Electron microscopy is one of the main methods used to examine protein structure. Studying these structures is of key importance to elucidate their function feeding fundamental information into... more
Proteins imaged in graphene liquid cell have higher radiation tolerance  nanowerk · 1 week
By preparing a microtubule sample in a graphene liquid cell, researchers demonstrate that the radiation tolerance of proteins proteins in liquid-phase electron microscopy is increased by an order... more
New traffic rules in 'Graphene City'  SCIENCE DAILY · 1 week
In the drive to find new ways to extend electronics beyond the use of silicon, physicists are experimenting with other properties of electrons, beyond charge. Physicists now describe a way to manipulate electrons based on their... more
New traffic rules in 'Graphene City'  nanowerk · 2 weeks
Topological control of electrons means future electronic roadways are now possible. more
A valley valve and electron beam splitter  Science Magazine · 2 weeks
Developing alternative paradigms of electronics beyond silicon technology requires the exploration of fundamentally new physical mechanisms, such as the valley-specific phenomena in hexagonal two-dimensional materials. We realize ballistic valley Hall kink states in bilayer... more
Photonic crystals for nano-light in moire graphene superlattices  Science Magazine · 2 weeks
Graphene is an atomically thin plasmonic medium that supports highly confined plasmon polaritons, or nano-light, with very low loss. Electronic properties of graphene can be drastically altered when it is laid upon... more
New traffic rules in 'Graphene City'  PHYS.ORG · 2 weeks
In the drive to find new ways to extend electronics beyond the use of silicon, physicists are experimenting with other properties of electrons, beyond charge. In work published today (Dec 7) in the journal Science, a... more
Graphene may one day be used to test for ALS  NEWS MEDICAL · 2 weeks
The wonders of graphene are numerous -- it can enable flexible electronic components, enhance solar cell capacity, filter the finest subatomic particles and revolutionize batteries. more
Using graphene to detect ALS, other neurodegenerative diseases  SCIENCE DAILY · 2 weeks
Graphene can determine whether cerebrospinal fluid comes from a person with ALS, MS or from someone without a neurodegenerative disease. more
Using graphene to detect ALS, other neurodegenerative diseases  PHYS.ORG · 2 weeks
The wonders of graphene are numerous—it can enable flexible electronic components, enhance solar cell capacity, filter the finest subatomic particles and revolutionize batteries. Now, the "supermaterial" may one day be used to... more
Using graphene to detect ALS, other neurodegenerative diseases  nanowerk · 2 weeks
Graphene can determine whether cerebrospinal fluid comes from a person with ALS, MS or from someone without a neurodegenerative disease. more
Molecular adlayer produced by dissolving water-insoluble graphene in water  nanowerk · 2 weeks
Using 'molecular containers' that encapsulate water-insoluble molecules, researchers developed a formation procedure for a nanographene adlayer, a layer that chemically interacts with the underlying substance, by just mixing the molecular... more
Graphene and cobalt for creating new electromagnetic devices  nanowerk · 2 weeks
Scientists have discovered that the combination of graphene with cobalt offers very relevant properties in the field of magnetism. This breakthrough sets the stage for the development of new logic devices that... more
New graphene-based sensor design could improve food safety  SCIENCE DAILY · 2 weeks
In the US, more than 100 food recalls were issued in 2017 because of contamination from harmful bacteria such as Listeria, Salmonella or E. coli. A new sensor design could one day... more
New graphene-based sensor design could improve food safety  PHYS.ORG · 2 weeks
In the U.S., more than 100 food recalls were issued in 2017 because of contamination from harmful bacteria such as Listeria, Salmonella or E. coli. A new sensor design could one day... more
A graphene NEMS switch to protect against electrostatic discharging  nanowerk · 2 weeks
One of the most pervasive reliability problems facing the computer chip industry is ESD (electrostatic discharging) failure caused by the rapid, spontaneous transfer of electrostatic charge induced by a high... more
Borophene advances as 2-D materials platform  PHYS.ORG · 2 weeks
Borophene—two-dimensional (2-D) atom-thin-sheets of boron, a chemical element traditionally found in fiberglass insulation—is anything but boring. Though boron is a nonmetallic semiconductor in its bulk (3-D) form, it becomes a metallic conductor in 2-D. Borophene is... more
Chemist develop egg-like nanoreactors from titanium dioxide and graphene  PHYS.ORG · 2 weeks
A RUDN chemist has developed a new method for synthesizing "yolk-shell" nanoparticles on the basis of titanium dioxide and graphene. The complex structure of the new particles allowed the scientists... more
Graphene unlocks new potential for 'smart textiles'  PHYS.ORG · 2 weeks
The quest to create affordable, durable and mass-produced 'smart textiles' has been given fresh impetus through the use of the wonder material Graphene. more
Graphene unlocks new potential for 'smart textiles'  nanowerk · 2 weeks
Researchers have pioneered a new technique to create fully electronic fibres that can be incorporated into the production of everyday clothing. more
Graphene unlocks new potential for 'smart textiles'  SCIENCE DAILY · 2 weeks
The quest to create affordable, durable and mass-produced 'smart textiles' has been given fresh impetus through the use of the wonder material graphene. more
Artificial magnetic field produces exotic behavior in graphene sheets  PHYS.ORG · 2 weeks
A simple sheet of graphene has noteworthy properties due to a quantum phenomenon in its electron structure called Dirac cones. The system becomes even more interesting if it comprises two... more
Artificial magnetic field produces exotic behavior in graphene sheets  SCIENCE DAILY · 3 weeks
Theoretical physics discovery paves the way for future technological applications. more
Artificial magnetic field produces exotic behavior in graphene sheets  nanowerk · 3 weeks
A new shows that the application of an electrical field to a bilayer graphene system produces an effect identical to that of an extremely intense magnetic field applied to two... more
Adding graphene to jute fibres could give natural alternative to man-made materials  nanowerk · 3 weeks
Scientists have combined graphene with the natural fibre, jute, to create a world?s first for graphene-strengthened natural jute fibre composites. more
Adding graphene to jute fibres could give natural alternative to man-made materials  PHYS.ORG · 3 weeks
Scientists from The University of Manchester have combined graphene with the natural fibre jute, to create a world's first for graphene-strengthened natural jute fibre composites. more
Study unlocks full potential of 'supermaterial' graphene  SCIENCE DAILY · 3 weeks
New research reveals why the 'supermaterial' graphene has not transformed electronics as promised, and shows how to double its performance and finally harness its extraordinary potential. more
Researchers remove silicon contamination from graphene to double its performance  nanowerk · 3 weeks
A new study identifies silicon contamination as the root cause of disappointing results and details how to produce higher performing, pure graphene. more
Study unlocks full potential of 'supermaterial' graphene  PHYS.ORG · 3 weeks
New research reveals why the "supermaterial" graphene has not transformed electronics as promised, and shows how to double its performance and finally harness its extraordinary potential. more
Researchers design starch and graphene hydrogel geared towards electrodes for brain implants  NEWS MEDICAL · 3 weeks
Hydrogels are physical and chemical polymer networks capable of retaining large quantities of liquid in aqueous conditions without losing their dimensional stability. more
Coherent electron trajectory control in graphene  PHYS.ORG · 3 weeks
Electronic systems using light waves instead of voltage signals is advantageous, as electromagnetic light waves oscillate at petaherz frequency. This means that future computers could operate at speeds 1 million times faster than today's. Scientists at... more
Simulations suggest graphene can stretch to be a tunable ion filter  SCIENCE DAILY · 3 weeks
Researchers have conducted simulations suggesting that graphene, in addition to its many other useful features, can be modified with special pores to act as a tunable... more
Racing electrons under control  SCIENCE DAILY · 3 weeks
The advantage is that electromagnetic light waves oscillate at petaherz frequency. This means that computers in the future could operate at speeds a million times faster than those of today. Scientists have now come one step closer to achieving this... more
Simulations suggest graphene can stretch to be a tunable ion filter  PHYS.ORG · 3 weeks
Researchers at the National Institute of Standards and Technology (NIST) have conducted simulations suggesting that graphene, in addition to its many other useful features, can be... more
Simulations suggest graphene can stretch to be a tunable ion filter  nanowerk · 3 weeks
Researchers have conducted simulations suggesting that graphene, in addition to its many other useful features, can be modified with special pores to act as a tunable... more
A starch and graphene hydrogel geared towards electrodes for brain implants  nanowerk · 3 weeks
Researchers have created hydrogels with electrical and antibacterial properties suitable for neural interfaces. more
Racing electrons in graphene under control  nanowerk · 3 weeks
Researchers have succeeded in using ultra-short laser impulses to precisely control electrons in graphene. more
Multifunctional wafer-scale graphene membranes for fast ultrafiltration and high permeation gas separation  Science Magazine · 3 weeks
Reliable and large-scale manufacturing routes for perforated graphene membranes in separation and filtration remain challenging. We introduce two manufacturing pathways for the fabrication of... more
Gate switching of ultrafast upconverted photoluminescence from monolayer graphene  nanowerk · 4 weeks
Scientists report the gate switching of ultrafast photoluminescence in monolayer graphene and analyzed its underlying mechanism both experimentally and theoretically. more
New 'smart' material with potential biomedical, environmental uses  SCIENCE DAILY · 4 weeks
By combining seaweed-derived alginate with the nanomaterial graphene oxide, researchers have developed a new material that's durable and can respond dynamically to its environment. more
Alginate-graphene oxide hydrogels as smart biomedical materials  nanowerk · 4 weeks
By combining seaweed-derived alginate with the nanomaterial graphene oxide, researchers have developed a new material that?s durable and can respond dynamically to its environment. more
Researchers create new 'smart' material with potential biomedical, environmental uses  PHYS.ORG · 4 weeks
Brown University researchers have shown a way to use graphene oxide (GO) to add some backbone to hydrogel materials made from alginate, a natural material derived from seaweed... more
Whispers about graphene's electrical properties  nanowerk · 4 weeks
Scientists report the experimental results of studying the response characteristics in a millimeter wave band whispering gallery mode sapphire resonator to single-layer graphene at different distances of graphene from the resonator. They found that the evanescent field of... more
Mechanically assembling 3D cellular graphene structures  nanowerk · 4 weeks
Researchers describe the design and implementation of 3D hierarchical architectures of cellular graphene with programmed geometries and outstanding electromechanical properties through the use of mechanically guided, 3D assembly. more
Layer-exchange growth of graphene directly on insulating material  nanowerk · 4 weeks
Researchers have developed a technique that uses 'layer exchange' to grow high-quality uniform crystals of maulti-layer graphene directly on an insulating material. more
Graphene boosts GHz signals into terahertz territory  nanowerk · 4 weeks
Graphene can generate clock speeds that transcend today?s GHz limitations. more
Borophene advances as 2-D materials platform
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Artificial magnetic field produces exotic behavior in graphene sheets
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