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Fast-charging, long-running, bendy energy storage breakthrough

Imagine needing only ten minutes to fully-charge your electric car

20-Feb-2020

A new bendable supercapacitor made from graphene, which charges quickly and safely stores a record-high level of energy for use over a long period, has been developed and demonstrated by UCL and Chinese Academy of Sciences researchers. While at the proof-of-concept stage, it shows enormous ...

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Graphene forms under microscope's eye

Scientists shrink laser-induced graphene for flexible electronics

14-Feb-2020

You don't need a big laser to make laser-induced graphene (LIG). Scientists at Rice University, the University of Tennessee, Knoxville (UT Knoxville) and Oak Ridge National Laboratory (ORNL) are using a very small visible beam to burn the foamy form of carbon into microscopic patterns. The labs ...

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Graphene mapping 50 times faster

13-Feb-2020

Graphene is always raising high expectations, as a strong, ultrathin, two-dimensional material that could also be the basis for new components in information technology. There is huge need for characterization of graphene devices. This can be done using Raman spectroscopy. Laser light is sent to ...

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A breath of fresh air for longer-running batteries

13-Jan-2020

DGIST researchers are improving the performance of lithium-air batteries, bringing us closer to electric cars that can use oxygen to run longer before they need to recharge. In their latest study, published in the journal Applied Catalysis B: Environmental, they describe how they fabricated an ...

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Sublimation, not melting: Graphene surprises researchers again

07-Jan-2020

Physicists from the Moscow Institute of Physics and Technology and the Institute for High Pressure Physics of the Russian Academy of Sciences have used computer modeling to refine the melting curve of graphite that has been studied for over 100 years, with inconsistent findings. They also found ...

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How to induce magnetism in graphene

Elusive molecule predicted in the 1970s synthesized

11-Dec-2019

Graphene, a two-dimensional structure made of carbon, is a material with excellent mechani-cal, electronic and optical properties. However, it did not seem suitable for magnetic applica-tions. Together with international partners, Empa researchers have now succeeded in synthesiz-ing a unique ...

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Properties of graphene change due to water and oxygen

06-Dec-2019

We often find that food becomes rotten when we leave it outside for long and fruits turn brown after they are peeled or cut. Such phenomena can be easily seen in our daily life and they illustrate the oxidation-reduction reaction. The fundamental principle controlling physical properties of ...

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Electron correlations in carbon nanostructures

Behaviour of electrons in graphene nanoribbons elucidated

05-Dec-2019

New materials are needed to further reduce the size of electronic components and thus make devices such as laptops and smartphones faster and more efficient. Tiny nanostructures of the novel material graphene are promising in this respect. Graphene consists of a single layer of carbon atoms and, ...

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Smog-eating graphene composite reduces atmospheric pollution

05-Dec-2019

Graphene Flagship partners the University of Bologna, Politecnico di Milano, CNR, NEST, Italcementi HeidelbergCement Group, the Israel Institute of Technology, Eindhoven University of Technology, and the University of Cambridge have developed a graphene-titania photocatalyst that degrades up to ...

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How graphene nanoparticles improve the resolution of microscopes

Small particles, big effects

22-Nov-2019

Conventional light microscopes cannot distinguish structures when they are separated by a distance smaller than, roughly, the wavelength of light. Superresolution microscopy, developed since the 1980s, lifts this limitation, using fluorescent moieties. Scientists at the Max Planck Institute for ...

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