Popular Graphene News and Current Events

Popular Graphene News and Current Events, Graphene News Articles.
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Converting CO2 into usable energy
Scientists show that single nickel atoms are an efficient, cost-effective catalyst for converting carbon dioxide into useful chemicals. (2018-03-01)

A new generation of artificial retinas based on 2D materials
Scientists report they have successfully developed and tested the world's first ultrathin artificial retina that could vastly improve on existing implantable visualization technology for the blind. The flexible 2-D material-based device could someday restore sight to the millions of people with retinal diseases. The researchers will present their results today at the 256th National Meeting & Exposition of the American Chemical Society. (2018-08-20)

Physicists build muscle for shape-changing, cell-sized robots
A Cornell University team has made a robot exoskeleton that can rapidly change its shape upon sensing chemical or thermal changes in its environment. And, they claim, these microscale machines -- equipped with electronic, photonic and chemical payloads -- could become a powerful platform for robotics at the size scale of biological microorganisms. (2018-01-03)

2-D tin (stanene) without buckling: A possible topological insulator
An international research team led by Nagoya University synthesized planar stanene: 2-D sheets of tin atoms, analogous to graphene. Tin atoms were deposited onto the Ag(111) surface of silver. The stanene layer remained extremely flat, unlike in previous studies wherein stanene was buckled. This leads to the formation of large area, high quality samples. Stanene is predicted to be a topological insulator, with applications in quantum computing and nanoelectronics. (2018-01-19)

Paving the way for hydrogen fuel cells
The hype around hydrogen fuel cells has died down, but scientists have continued to pursue new technologies that could enable such devices to gain a firmer foothold. Now one team has developed an electrocatalyst to replace the currently dominant, but expensive, one of choice -- platinum -- that could help boost the fledgling fuel-cell industry. Their report appears in the journal ACS Nano. (2017-06-28)

New technique reveals 3-D shape of nanostructure's polariton interaction
Researchers from Lehigh University have found a way to reveal the 3-D shape of the polariton interaction around a nanostructure. Their technique improves upon the common spectroscopic imaging technique known as scattering-type scanning near-field optical microscopy (s-SNOM). The research will be online published today in Nature Communications. (2018-05-21)

New chemical method could revolutionize graphene
University of Illinois at Chicago scientists have discovered a new chemical method that enables graphene to be incorporated into a wide range of applications while maintaining its ultra-fast electronics. (2017-06-14)

WSU researchers use coal waste to create sustainable concrete
Washington State University researchers have created a sustainable alternative to traditional concrete using coal fly ash, a waste product of coal-based electricity generation. (2018-07-12)

First use of graphene to detect cancer cells
By interfacing brain cells onto graphene, researchers at the University of Illinois at Chicago have shown they can differentiate a single hyperactive cancerous cell from a normal cell, pointing the way to developing a simple, noninvasive tool for early cancer diagnosis. (2016-12-19)

Graphene from soybeans
A breakthrough by CSIRO-led scientists has made the world's strongest material more commercially viable, thanks to the humble soybean. (2017-02-14)

Searching beyond graphene for new wonder materials
Graphene, the two-dimensional, ultra lightweight and super-strong carbon film, has been hailed as a wonder material since its discovery in 2004. Now researchers are going beyond graphene and preparing other 2-D films with extraordinary properties for applications in wearable electronics, sensors and energy storage. The cover story in Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society, surveys this expanding landscape. (2017-05-31)

Beyond graphene: Advances make reduced graphene oxide electronics feasible
Researchers have developed a technique for converting positively charged (p-type) reduced graphene oxide (rGO) into negatively charged (n-type) rGO, creating a layered material that can be used to develop rGO-based transistors for use in electronic devices. (2017-03-30)

Adding hydrogen to graphene
IBS researchers report a fundamental study of how graphene is hydrogenated. (2016-11-03)

New method of characterizing graphene
Scientists have developed a new method of characterizing graphene's properties without applying disruptive electrical contacts, allowing them to investigate both the resistance and quantum capacitance of graphene and other two-dimensional materials. Researchers from the Swiss Nanoscience Institute and the University of Basel's Department of Physics reported their findings in the journal Physical Review Applied. (2017-05-30)

Clemson researchers blaze new ground in wireless energy generation
Researchers at the Clemson Nanomaterials Institute have developed a wireless energy source that generates electricity from simple mechanical motion, such as the waves in the ocean, the tap of a foot or the clap of a hand. (2018-02-05)

Chemically tailored graphene
Graphene is considered as one of the most promising new materials. However, the systematic insertion of chemically bound atoms and molecules to control its properties is still a major challenge. Now, for the first time, scientists of the Friedrich-Alexander-Universität Erlangen-Nürnberg, the University of Vienna, the Freie Universität Berlin and the University Yachay Tech in Ecuador succeeded in precisely verifying the spectral fingerprint of such compounds in both theory and experiment. (2017-05-08)

Polymer-coated silicon nanosheets -- an alternative to graphene
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors. (2017-03-08)

Hybrid electrolyte enhances supercapacitance in vertical graphene nanosheets
Supercapacitors can store more energy than and are preferable to batteries because they are able to charge faster, mainly due to the vertical graphene nanosheets that are larger and positioned closer together. Using VGNs as the material for supercapacitor electrodes offers advantages that can be enhanced depending on how the material is grown, treated and prepared to work with electrolytes. In this week's Journal of Applied Physics, researchers discuss ways to improve the material's properties. (2017-12-05)

Development of graphene microwave photodetector
DGIST developed cryogenic microwave photodetector which is able to detect 100,000 times smaller light energy compared to the existing photedetectors. The significance is DGIST have developed the world's first microwave photodetector using graphene device. (2016-11-24)

The Graphene 2017 Conference connects Barcelona with the international graphene-based industry
This prestigious Conference to be held at the Barcelona International Convention Centre (March 28-31) aims to bring together academia and industry to integrate new graphene technologies into practical applications. More than 250 speakers will summarize the latest graphene-based achievements, including the Nobel Prize laureates Andre Geim and Albert Fert. ICFO and ICN2 are the local organizers of this event gathering in Barcelona around 1000 graphene experts from around the world. (2017-03-16)

From 2D to 1D: Atomically quasi '1D' wires using a carbon nanotube template
Researchers from Tokyo Metropolitan University have used carbon nanotube templates to produce nanowires of transition metal monochalcogenide (TMM), which are only 3 atoms wide in diameter. These are 50 times longer than previous attempts and can be studied in isolation, preserving the properties of atomically quasi '1D' objects. The team saw that single wires twist when perturbed, suggesting that isolated nanowires have unique mechanical properties which might be applied to switching in nanoelectronics. (2019-04-20)

System draws power from daily temperature swings
A new device from MIT can draw power out of the daily cycle of temperature swings to power remote sensors or communications systems. (2018-02-15)

Study IDs 'white graphene' architecture with unprecedented hydrogen storage capacity
Rice University engineers have zeroed in on the optimal architecture for storing hydrogen in 'white graphene' nanomaterials -- a design like a Lilliputian skyscraper with 'floors' of boron nitride sitting one atop another and held by boron nitride pillars. (2018-03-13)

New graphene-based material could revolutionize electronics industry
The most transparent, lightweight and flexible material ever for conducting electricity has been invented by a team from the University of Exeter. Called GraphExeter, the material could revolutionize the creation of wearable electronic devices, such as clothing containing computers, phones and MP3 players. (2012-04-27)

Unraveling truly one-dimensional carbon solids
Elemental carbon appears in many different forms, including diamond and graphite. In an international collaboration, researchers at the University of Vienna, led by Thomas Pichler, have succeeded in developing a novel route for the bulk production of carbon chains composed of more than 6,000 carbon atoms, using thin double-walled carbon nanotubes as protective hosts for the chains. These findings represent an elegant forerunner towards the final goal of carbyne's bulk production and will be published in Nature Materials. (2016-04-04)

Twisted physics
A new study in the journal Nature shows that superconductivity in bilayer graphene can be turned on or off with a small voltage change, increasing its usefulness for electronic devices. (2019-10-30)

Graphene oxide nanosheets could help bring lithium-metal batteries to market
A nanosheet helps prevent formation of lithium dendrites in lithium-metal batteries. (2018-03-15)

Aqueous storage device needs only 20 seconds to go
A KAIST research team developed a new hybrid energy storage device that can be charged in less than half a minute. It employs aqueous electrolytes instead of flammable organic solvents, so it is both environmentally friendly and safe. It also facilitates a boosting charge with high energy density, which makes it suitable for portable electronic devices. (2018-02-28)

Electronically-smooth '3-D graphene': A bright future for trisodium bismuthide
Researchers have found that the topological material trisodium bismuthide (Na3Bi) can be manufactured to be as 'electronically smooth' as the highest-quality graphene-based alternative, while maintaining graphene's high electron mobility. (2017-12-22)

Study boosts hope for cheaper fuel cells
Simulations by Rice University scientists show how carbon nanomaterials may be optimized to replace expensive platinum in cathodes for electricity-generating fuel cells. (2018-01-05)

Development of a novel carbon nanomaterial 'pot'
A novel, pot-shaped, carbon nanomaterial developed by researchers from Kumamoto University, Japan is several times deeper than any hollow carbon nanostructure previously produced. This unique characteristic enables the material to gradually release substances contained within and is expected to be beneficial in applications such as drug delivery systems. (2016-08-04)

Making quantum puddles
A team of physicists at the University of Vermont have discovered a fundamentally new way surfaces can get wet. Their study may allow scientists to create the thinnest films of liquid ever made--and engineer a new class of surface coatings and lubricants just a few atoms thick. (2018-06-12)

Graphene is both transparent and opaque to radiation
A microchip that filters out unwanted radiation with the help of graphene has been developed by scientists from the EPFL and tested by researchers of the University of Geneva (UNIGE). The invention could be used in future devices to transmit wireless data ten times faster. (2016-04-06)

Engineering for high-speed devices
A research team from the University of Delaware has developed cutting-edge technology for photonics devices that could enable faster communications between phones and computers. (2019-03-29)

Nanomaterials
As LMU physicists demonstrate in a new study, the optical and photocatalytic properties of so-called carbon dots can be precisely tuned by controlling the positions of nitrogen atoms introduced into their structure. (2017-11-15)

The research of Samara scientists will help to explain how building material for planets appears in the universe
The research of samara scientists will help to explain how building material for planets appears in the universe. (2019-04-09)

Researchers develop flexible, stretchable photonic devices
Researchers at MIT and elsewhere have developed a way to make optically based microchips that can flex and bend like rubber and could be used for skin-mounted diagnostics or flexible strain sensors. (2017-11-08)

Graphene nanoelectronics: Making tomorrow's computers from a pencil trace
A key discovery at Rensselaer Polytechnic Institute could help advance the role of graphene as a possible heir to copper and silicon in nanoelectronics. Saroj Nayak, an associate physics professor, has worked for two years to determine how graphene's extremely efficient conductive properties can be exploited for use in future nanoelectronics. After running dozens of robust computer simulations, he has demonstrated for the first time that the length, as well as the width, of graphene directly impacts the material's conduction properties. (2007-07-23)

Researchers develop graphene nano 'tweezers' that can grab individual biomolecules
Researchers from the University of Minnesota College of Science and Engineering have found yet another remarkable use for the wonder material graphene -- tiny electronic 'tweezers' that can grab biomolecules floating in water with incredible efficiency. This capability could lead to a revolutionary handheld disease diagnostic system that could be run on a smart phone. (2017-12-01)

Individual impurity atoms detectable in graphene
A team including physicists from the University of Basel has succeeded in using atomic force microscopy to clearly obtain images of individual impurity atoms in graphene ribbons. Thanks to the forces measured in the graphene's two-dimensional carbon lattice, they were able to identify boron and nitrogen for the first time, as the researchers report in the journal Science Advances. (2018-04-13)

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