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Search results for graphene oxide

Bio & Medicine May 5, 2021

Like a Trojan horse, graphene oxide can act as a carrier of organic pollutants to fish

Graphene is a two-dimensional nanomaterial composed of carbon and formed by a single layer of densely packed carbon atoms. The high mechanical strength and significant electrical and thermal properties of graphene mean that ...

Materials Science Apr 23, 2021

'Planar and curved' pyrrole-fused azacoronenes

Recent study on synthetic approaches toward polycyclic aromatic hydrocarbons (PAHs) such as graphene with a well-defined structure have attracted much attention. A research group at Ehime University has been studying the ...

Nanophysics Apr 20, 2021

2D nanomaterial MXene: The perfect lubricant for rovers

You can lubricate a bicycle chain with oil, but what do you do with a Mars rover or a red-hot conveyor belt in the steel industry? Very special nanomaterials have now been studied by the TU Wien together with research groups ...

Nanophysics Apr 16, 2021

Generation of super-resolved optical needle and multifocal array using graphene oxide metalenses

In a new publication from Opto-Electronic Advances, researchers led by Professor Baohua Jia at Swinburne University of Technology, Victoria, Australia, Professor Cheng-Wei Qiu at National University of Singapore, Singapore ...

Materials Science Apr 15, 2021

Water purification system engineered from wood, with help from a microwave oven

Researchers in Sweden have developed a more eco-friendly way to remove heavy metals, dyes and other pollutants from water. The answer lies in filtering wastewater with a gel material taken from plant cellulose and spiked ...

Optics & Photonics Apr 1, 2021

2D materials for conducting hole currents from grain boundaries in perovskite solar cells

Grain boundaries (GBs) in PSCs have been found to be detrimental to the photovoltaic performance of the devices. Numerous papers reported that the defects in perovskite GBs should be passivated by suitable materials, such ...

Nanomaterials Mar 26, 2021

High-performance potassium ion micro-supercapacitors developed for wearable pressure sensor system

The development of flexible, wearable and implantable microelectronics has accelerated the need for miniaturized and integrated energy storage devices with mechanically robust properties, high voltage, and highly compatible ...

Materials Science Mar 24, 2021

Electrochemical synthesis of formate from carbon dioxide using a tin/reduced graphene oxide catalyst

Decreasing the emission and efficient utilization (fixation) of carbon dioxide (CO2) are worldwide issues to prevent global warming. Promotion of the use of renewable energy is effective in reducing CO2 emissions. However, ...

Materials Science Mar 16, 2021

Inexpensive tin packs a big punch for the future of supercapacitors

A sustainable, powerful micro-supercapacitor may be on the horizon, thanks to an international collaboration of researchers from Penn State and the University of Electronic Science and Technology of China. Until now, the ...

Cell & Microbiology Mar 11, 2021

Researchers reveal 3D structure responsible for gene expression

For the first time ever, a Northwestern University-led research team has peered inside a human cell to view a multi-subunit machine responsible for regulating gene expression.

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