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Search results for graphene oxide

Condensed Matter Sep 29, 2021

Correlated electrons 'tango' in a perovskite oxide at the extreme quantum limit

A team led by the Department of Energy's Oak Ridge National Laboratory has found a rare quantum material in which electrons move in coordinated ways, essentially "dancing." Straining the material creates an electronic band ...

Materials Science Sep 29, 2021

Researchers propose one-step strategy to synthesize graphene-based composite phase change materials

Graphene-based composite phase change materials (PCMs) exhibit great potential in the field of solar-thermal energy conversion and storage.

Bio & Medicine Sep 29, 2021

Single-step green synthesis of composite material for wound healing

Researchers from the Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences developed a novel approach of green synthesis of silver nanoparticles and reduced graphene oxide composite material (AgNPs@rGO) ...

Nanophysics Sep 28, 2021

A technique to create sub-10-nm graphene nanoribbons from squashed carbon nanotubes

Graphene nanoribbons (GNRs) are narrow and long strips of graphene with widths below 100 nm. GNRs that have smooth edges, a sizable bandgap and high charge carrier mobility could be highly valuable for a wide range of electronic ...

Biochemistry Sep 16, 2021

Researchers infuse bacteria with silver to improve power efficiency in fuel cells

A UCLA-led team of engineers and chemists has taken a major step forward in the development of microbial fuel cells—a technology that utilizes natural bacteria to extract electrons from organic matter in wastewater ...

Materials Science Sep 16, 2021

Desert-beetle-inspired magnetic demulsifier developed with excellent oil-in-water emulsion separation performance

Prof. Zeng Zhixiang's team at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS) developed a novel magnetic demulsifier with desert beetle-inspired microstructures, ...

Nanomaterials Sep 1, 2021

Adding foreign atoms to graphene boosts its properties

Monolayer graphene finds practical applications in many fields, thanks to its desirable intrinsic properties. However, these properties can also limit its potentials. The addition of foreign atoms can help, but requires precise ...

Nanophysics Aug 23, 2021

Layered graphene with a twist displays unique quantum confinement in 2D

Scientists studying two different configurations of bilayer graphene—the two-dimensional (2D), atom-thin form of carbon—have detected electronic and optical interlayer resonances. In these resonant states, electrons bounce ...

Nanomaterials Aug 10, 2021

Invisible barrier breakthrough a boon for electronics, artwork and more

Curtin University researchers have found applying a thin invisible layer of graphene oxide to silicon forms an impermeable barrier, which could be used to protect artwork, prevent corrosion of metals, and produce higher efficiency ...

Materials Science Aug 4, 2021

Using graphene foam to filter toxins from drinking water

Some kinds of water pollution, such as algal blooms and plastics that foul rivers, lakes, and marine environments, lie in plain sight. But other contaminants are not so readily apparent, which makes their impact potentially ...

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