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Search results for graphene oxide

Nanomaterials Dec 1, 2021

Developing wafer-scale highly oriented graphene on sapphire

Researchers have used direct chemical vapor deposition (CVD) growth of wafer-scale, high-quality graphene on dielectrics for versatile applications. However, graphene synthesized this way has shown a polycrystalline film ...

Nanophysics Nov 17, 2021

Magnetene: Graphene-like 2D material leverages quantum effects to achieve ultra-low friction

A team of researchers from University of Toronto Engineering and Rice University have reported the first measurements of the ultra-low-friction behavior of a material known as magnetene. The results point the way toward strategies ...

Nanomaterials Nov 16, 2021

Borophenes made easy

Synthetic organic chemists still aim to understand the scalable synthesis of elemental, two-dimensional (2D) materials beyond graphene. In a new report, Marc G. Cuxart and a team of researchers in physics, chemistry and electrical ...

Nanomaterials Nov 11, 2021

Novel ion exchange membrane improves performance of vanadium redox flow batteries

The vanadium redox flow battery (VRFB) is a promising sustainable energy storage system. In a VRFB cell, an ion exchange membrane (IEM) is used to prevent formation of a cathode/anode short circuit and avoid electrolyte crossover ...

Materials Science Nov 2, 2021

'Chainmail catalysis' improves efficiency of CO oxidation at room temperature

CO oxidation at room temperature is significant for gas purification. Pt promoted by 3d transition metals (TMs) is a promising candidate for this reaction. However, TMs are prone to be deeply oxidized in an oxygen-rich atmosphere, ...

Nanophysics Nov 1, 2021

Researchers move closer to controlling two-dimensional graphene

The device you are currently reading this article on was born from the silicon revolution. To build modern electrical circuits, researchers control silicon's current-conducting capabilities via doping, which is a process ...

Nanophysics Oct 20, 2021

Unmasking the magic of superconductivity in twisted graphene

The discovery in 2018 of superconductivity in two single-atom-thick layers of graphene stacked at a precise angle of 1.1 degrees (called 'magic'-angle twisted bilayer graphene) came as a big surprise to the scientific community. ...

Nanomaterials Oct 20, 2021

Facet controllable synthesis of two-dimensional rare earth oxides

Since graphene was awarded the Nobel Prize in 2010, two-dimensional (2D) materials have continued to attract researchers' attention in logic, storage, optoelectronic and photonic 2D device manufacturing fields because of ...

Analytical Chemistry Oct 14, 2021

New, non-invasive blood sugar testing methods using saliva

Despite breakthrough diabetes research over the past century, people with diabetes still need to rely on obtaining blood samples to monitor their sugar levels. Daily glucose monitoring by tracking blood sugar levels is essential ...

Nanomaterials Oct 2, 2021

Graphene: 'Miracle material' singled out for COVID conspiracies

Graphene, a Nobel Prize-awarded material with promising applications for greener energy and nanomedicine, has been the topic of much disinformation by coronavirus anti-vaxxers claiming it can be used to "magnetize" and "control" ...

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