Current Graphene News and Events | Page 25

Current Graphene News and Events, Graphene News Articles.
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Nanopores could take the salt out of seawater
University of Illinois engineers have found an energy-efficient material for removing salt from seawater that could provide a rebuttal to poet Samuel Taylor Coleridge's lament, 'Water, water, every where, nor any drop to drink.' (2015-11-11)

UTA physicists use beams of antimatter to investigate advanced materials
Researchers at The University of Texas at Arlington are developing a next generation positron beam facility that will enable them to analyze the properties of advanced materials for future electronics applications such as ultra compact high-speed computers and ultra small high-powered batteries. (2015-11-09)

NbSe2, a true 2-D superconductor
An international team led by Miguel M. Ugeda and Michael F. Crommie has demonstrated the coexistence of superconductivity and charge density wave order in a single layer of NbSe2, a model transition metal dichalcogenide metal. The demonstration that a single layer of NbSe2 is a true 2-D superconductor is a breakthrough in the field of 2-D materials. This work has been recently reported in Nature Physics. (2015-11-05)

Using hydrogen to enhance lithium ion batteries
Lawrence Livermore National Laboratory scientists have found that lithium ion batteries operate longer and faster when their electrodes are treated with hydrogen. (2015-11-05)

Graphene could take night-vision technology beyond 'Predator'
Movies such as 1987's 'Predator,' in which an alien who sees in the infrared hunts down Arnold Schwarzenegger and his team, introduced a generation of sci-fi fans to thermal imaging. Since then, heat-sensing devices have found many real-word applications but have remained relatively expensive and rigid. But a new development featuring graphene, reported in ACS' journal Nano Letters, could lead to a flexible, transparent and low-cost infrared vision system. (2015-11-04)

Novel 'crumpling' of hybrid nanostructures increases SERS sensitivity
By 'crumpling' to increase the surface area of graphene-gold nanostructures, researchers from the University of Illinois at Urbana-Champaign have improved the sensitivity of these materials, opening the door to novel opportunities in electronics and optical sensing applications. (2015-11-04)

PolyU develops highly sensitive biosensor for measuring glucose in saliva
Recently, researchers in the Department of Applied Physics of the Hong Kong Polytechnic University (PolyU) have successfully developed an ultra-sensitive transistor-based biosensor which could detect glucose in saliva. The newly invented biosensor is highly sensitive to glucose and capable of measuring the range of glucose in saliva accurately in a convenient, safe and inexpensive manner. (2015-11-02)

Ultrasensitive sensors made from boron-doped graphene
Ultrasensitive gas sensors based on the infusion of boron atoms into graphene -- a tightly bound matrix of carbon atoms -- may soon be possible, according to an international team of researchers from six countries. (2015-11-02)

NUS scientists developed super sensitive magnetic sensor
Researchers from the National University of Singapore have developed a new hybrid magnetic sensor that is more sensitive than most commercially available sensors. (2015-10-30)

An enhanced lithium-air battery
Using a unique combination of materials, scientists have overcome many of the current barriers to developing lithium-air batteries, a new study reports. (2015-10-29)

New design points a path to the 'ultimate' battery
Researchers have successfully demonstrated how several of the problems impeding the practical development of the so-called 'ultimate' battery could be overcome. (2015-10-29)

Graphene flakes as an ultra-fast stopwatch
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf, working with colleagues from the USA and Germany, have developed a new optical detector from graphene which reacts very rapidly to incident light of all different wavelengths and even works at room temperature. It is the first time that a single detector has been able to monitor the spectral range from visible light to infrared radiation and right through to terahertz radiation. The HZDR scientists use the new graphene detector for the exact synchronization of laser systems. (2015-10-27)

Manipulating wrinkles could lead to graphene semiconductors
RIKEN scientists have used the tip of a scanning tunneling microscope to manipulate the formation of wrinkles in graphene, opening the way to the construction of graphene semiconductors not through chemical means--by adding other elements -- but by manipulating the carbon structure itself in a form of 'graphene engineering.' (2015-10-23)

Rice news release: Cobalt atoms on graphene a powerful combo
Cobalt atoms on nitrogen-doped graphene are a robust solid-state catalyst for hydrogen production. The Rice University discovery may be an effective replacement for more expensive platinum-activated catalysts in fuel cells and other energy applications. (2015-10-21)

Exciting breakthrough in 2-D lasers
An important step towards next-generation ultra-compact photonic and optoelectronic devices has been taken with the realization of a two-dimensional excitonic laser. Berkeley Lab researchers have embedded a monolayer of tungsten disulfide into a special microdisk resonator to achieve bright excitonic lasing at visible light wavelengths. (2015-10-20)

Surfing water molecules could hold the key to fast and controllable water transport
Scientists at UCL have identified a new and potentially faster way of moving molecules across the surfaces of certain materials. (2015-10-19)

New graphene based inks for high-speed manufacturing of printed electronics
A low-cost, high-speed method for printing electronics using graphene and other conductive materials could open up a wide range of commercial applications. (2015-10-19)

New research could revolutionize flexible electronics, solar cells
Binghamton University researchers have demonstrated an eco-friendly process that enables unprecedented spatial control over the electrical properties of graphene oxide. This two-dimensional nanomaterial has the potential to revolutionize flexible electronics, solar cells and biomedical instruments. (2015-10-14)

One direction: Researchers grow nanocircuitry with semiconducting graphene nanoribbons
Researchers from the University of Wisconsin at Madison are the first to grow self-directed graphene nanoribbons on the surface of the semiconducting material germanium. This allows the semiconducting industry to tailor specific paths for nanocircuitry in their technologies. Confirmation of the findings was done at Argonne's Center for Nanoscale Materials. (2015-10-13)

University of Houston spin-off company hits commercial milestone
A company formed to commercialize graphene research conducted at the University of Houston's Center for Advanced Materials has been listed on the Chinese stock exchange, an important step in the company's capitalization and growth. (2015-10-08)

Molecular nanoribbons as electronic highways
Physicists at Umeå University have, together with researchers at UC Berkeley, USA, developed a method to synthesise a unique and novel type of material which resembles a graphene nanoribbon but in molecular form. This material could be important for the further development of organic solar cells. The results have been published in the scientific journal ACS Nano. (2015-10-05)

Big range of behaviors for tiny graphene pores
Researchers at MIT have created tiny pores in single sheets of graphene that have an array of preferences and characteristics similar to those of ion channels in living cells. (2015-10-05)

Graphene teams up with two-dimensional crystals for faster data communications
In the recent work published today in Nature Nanotechnology, the research group led by professor at ICFO Frank Koppens has shown that a two-dimensional crystal, combined with graphene, has the capability to detect optical pulses with a response faster than 10 picoseconds, while maintaining a high efficiency. (2015-10-05)

Graphene as a front contact for silicon-perovskite tandem solar cells
Silicon absorbers primarily convert the red portion of the solar spectrum very effectively into electrical energy, whereas the blue portions are partially lost as heat. To reduce this loss, the silicon cell can be combined with an additional solar cell that primarily converts the blue portions. (2015-10-02)

New processes in modern ReRAM memory cells decoded
Resistive memory cells or ReRAMs for short are deemed to be the new super information-storage solution of the future. At present, two basic concepts are being pursued, which, up to now, were associated with different types of active ions. But this is not quite correct, as Jülich researchers working together with their Korean, Japanese and American colleagues were surprised to discover. The effect enables switching characteristics to be modified as required. (2015-09-29)

Physicists map the strain, pixel by pixel, in wonder material graphene
In a study published in Nature, a team of scientists map the strain in graphene, a 2-D sheet of carbon that is strong, flexible and can expand without breaking. Though the material has found its way into several applications, ranging from tennis rackets to smartphone touch screens, several obstacles are holding up further commercialization of graphene. One of these is the presence of defects that impose strain on graphene's lattice structure and adversely affects its electronic and optical properties. (2015-09-29)

Zenyatta Albany graphite has unique properties for graphene applications
According to Dr. Regev, 'Thermogravimetric Analysis on the material found it to be completely different from any other natural graphite flake products studied so far in our lab. The Zenyatta graphite appears to be composed of smaller and cleaner particles with a narrower particle size distribution. It is the same order of magnitude as more expensive, commercially available Graphene Nano Platelets. These ideal properties probably stem from the unique geological process by which the Albany graphite deposit was formed.' (2015-09-29)

Milestone single-biomolecule imaging technique may advance drug design
The researchers from the University of Zurich, Switzerland have made a breakthrough by obtaining the first nanometer (one billionth of a meter) resolved image of individual tobacco mosaic virions, a rod-shaped RNA virus that infects a wide range of plants, especially tobacco. The work demonstrates the potential of low-energy electron holography as a non-destructive, single-particle imaging technique for structural biology. (2015-09-28)

New graphene oxide biosensors may accelerate research of HIV and cancer drugs
Researchers from the Laboratory of Nanooptics and Plasmonics, Moscow Institute of Physics and Technology -- MIPT have devised a novel type of graphene oxide-based biosensor that could potentially significantly speed up the process of drug development. The outstanding properties of this carbon allotrope help to improve significantly the biosensing sensitivity, which in future may enable the development of new drugs and vaccines against many dangerous diseases including HIV, hepatitis and cancer. (2015-09-22)

DNA sequencing improved by slowing down
EPFL scientists have developed a method that improves the accuracy of DNA sequencing up to a thousand times. The method, which uses nanopores to read individual nucleotides, paves the way for better -- and cheaper -- DNA sequencing. (2015-09-21)

Surfing over simulated ripples in graphene
The single-carbon-atom-thick material, graphene, featuring ripples is not easy to understand. Instead of creating such ripples physically, physicists investigating this kind of unusually shaped material rely on a quantum simulator. It is made up of a ultra-cold optical lattice - akin to eggs held in the cavities of an egg tray. This approach allowed a team of theoretical physicists from India to shed some light on the properties of rippled graphene. (2015-09-18)

First superconducting graphene created by UBC researchers
Graphene, the ultra-thin, ultra-strong material made from a single layer of carbon atoms, just got a little bit more extreme. University of British Columbia physicists have been able to create the first superconducting graphene sample by coating it with lithium atoms. (2015-09-07)

PolyU develops novel efficient and low-cost semitransparent solar cells
The Department of Applied Physics of The Hong Kong Polytechnic University (PolyU) has successfully developed efficient and low-cost semitransparent perovskite solar cells with graphene electrodes. The power conversion efficiencies of this novel invention are around 12 percent. (2015-09-07)

New nanomaterial maintains conductivity in three dimensions
An international team of scientists has developed a one-step process for making seamless carbon-based nanomaterials that possess superior thermal, electrical and mechanical properties in three dimensions. (2015-09-04)

Major grant for Manchester graphene research
The University of Manchester has been awarded a £3m research grant to develop breakthrough applications for two-dimensional materials. (2015-09-03)

Phagraphene, a 'relative' of graphene, discovered
A group of scientists from Russia, the USA and China, led by Artyom Oganov from the Moscow Institute of Physics and Technology, using computer generated simulation have predicted the existence of a new two-dimensional carbon material, a 'patchwork.' (2015-09-02)

For 2-D boron, it's all about that base
If two-dimensional boron can be made at all, the material's substrate will have a significant impact on its final form, according to Rice University scientists. (2015-09-02)

Successful boron-doping of graphene nanoribbon
Physicists at the University of Basel succeed in synthesizing boron-doped graphene nanoribbons and characterizing their structural, electronic and chemical properties. The modified material could potentially be used as a sensor for the ecologically damaging nitrogen oxides, scientists report in the latest issue of Nature Communications. (2015-08-27)

Graphene oxide's secret properties revealed at atomic level
A Northwestern University research team found that graphene oxide's inherent defects give rise to a surprising mechanical property caused by an unusual mechanochemical reaction. (2015-08-21)

Manchester team reveal new, stable 2-D materials
These 2-D crystals are capable of delivering designer materials with revolutionary new properties. (2015-08-20)

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