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Search results for graphene oxide

Nanomaterials Mar 29, 2023

How to improve water permeability and rejection performance of RGO membranes? RGO-MXene membranes give answer

Membrane separation technology has become one of the most effective methods for water treatment, owing to its advantages of high separation efficiency, convenient operation and low-energy consumption. The membranes prepared ...

Biotechnology Mar 23, 2023

New soil sensor may improve efficiency of crop fertilization

Measuring temperature and nitrogen levels in soil is important for agriculture systems but detecting them apart from one another is difficult to do. Huanyu "Larry" Cheng, James L. Henderson, Jr. Memorial Associate Professor ...

Nanophysics Mar 15, 2023

Scientists create novel bandgap-tunable 2D nanosheets made from perovskite oxynitrides

Two-dimensional monolayer nanosheets made from layered perovskite have many desirable properties. However, it has been difficult to create them with tunable bandgaps in the visible region without adding oxygen defects. Recently, ...

Nanophysics Mar 14, 2023

Nanoripples in graphene can make it a strong catalyst

A team of researchers led by Prof. Andre Geim from the National Graphene Institute (NGI) have discovered that nanoripples in graphene can make it a strong catalyst, contrary to general expectations that the carbon sheet is ...

Bio & Medicine Mar 8, 2023

Oxygen groups key to unlocking graphene's antimicrobial potential, say scientists

The amount of surface oxygen in graphene materials is a key factor in how effective they could be in killing bacteria—a discovery which may help to design safer and more effective products to combat antimicrobial resistance.

Bio & Medicine Feb 21, 2023

Incineration of graphene-containing plastics: Health risk of graphene residues investigated in 3D lung model

Due to its exceptional properties, graphene is now added to a wide range of plastics. The carbon-based material improves, for instance, the conductivity and stability of composites.

Nanomaterials Feb 15, 2023

Two-dimensional oxides open door for high-speed electronics

Advances in computing power over the decades have come thanks in part to our ability to make smaller and smaller transistors, a building block of electronic devices, but we are nearing the limit of the silicon materials typically ...

Nanomaterials Feb 14, 2023

How a thin-film copper sandwich is transforming electronics

As devices get smaller and more powerful, the risk of them overheating and burning out increases substantially. Despite advancements in cooling solutions, the interface between an electronic chip and its cooling system has ...

Nanomaterials Feb 10, 2023

Scientists develop graphene aerogel particles for efficient water purification

Writing in the Journal of Molecular Liquids, a team led by Professor Aravind Vijayaraghavan based in the National Graphene Institute (NGI) have produced three-dimensional particles made of graphene, of many interesting shapes, ...

Optics & Photonics Feb 10, 2023

Two-beam ultrafast laser scribing of ultrafine graphene patterns

The Nobel Prize in Chemistry 2014 was awarded for the development of super-resolved fluorescence microscopy. Inspired by this work, scientists at Institute of Photonic Chips (IPC), University of Shanghai for Science and Technology ...

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