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Search results for graphene oxide

Nanomaterials May 5, 2022

Dynamic metasurfaces and metadevices empowered by graphene

A new publication in Opto-Electronic Advances overviews dynamic metasurfaces and metadevices empowered by graphene.

Nanomaterials Apr 28, 2022

New strategy to boost pseudocapacitive performance of micro-supercapacitors

Graphene-based micro-supercapacitors (EG-MSCs) combine the distinct properties of graphene and the advantages of planar device configuration to maximize charge storage. Therefore, they can provide more flexible, smaller, ...

Materials Science Apr 27, 2022

Disposable masks could be used to improve concrete

With the pervasive single-use masks during the pandemic now presenting an environmental problem, researchers have demonstrated the idea of incorporating old masks into a cement mixture to create stronger, more durable concrete. 

Nanomaterials Apr 26, 2022

Measuring the 'wettability' of graphene and other 2D materials

Wettability of a material is the ability of a liquid to maintain contact with a solid surface, and it is proportional to hydrophilicity and inversely proportional to hydrophobicity. It is one of the most important properties ...

Polymers Apr 14, 2022

A new solution for wastewater remediation

Synthetic dyes are used across a wide variety of industries and constitute a serious concern when it comes to water pollution. These dyes are not only toxic, but they also persist in the environment for a long time without ...

Materials Science Mar 23, 2022

Carbon-coated nickel enables a hydrogen fuel cell free of precious metals

A nitrogen-doped, carbon-coated nickel anode can catalyze an essential reaction in hydrogen fuel cells at a fraction of the cost of the precious metals currently used, Cornell University researchers have found.

Nanomaterials Mar 23, 2022

Quenching by laser increases graphene quality

Russian scientists have found out why, instead of simply burning down at high temperatures, graphene oxide opens the door to a promising and inexpensive graphene production method. The research was published in the journal ...

Nanomaterials Mar 17, 2022

New paradigm in atmospheric gas sensing and molecular identification

Graphene, an atomic-thick sheet of carbon has found immense applications in gas sensors due to its single-molecule sensitivity, low-noise levels, and high carrier density. However, graphene's much-heralded sensitivity also ...

Nanomaterials Mar 15, 2022

Simpler graphene method paves way for new era of nanoelectronics

Ever since its discovery in 2004, graphene has received attention owing to its extraordinary properties, among them its extremely high carrier mobility. However, the high carrier mobility has only been observed using techniques ...

Nanomaterials Mar 11, 2022

On the hunt for ultra-thin materials using data mining: Study identifies extensive set of novel 2D materials

Two-dimensional (2D) materials possess extraordinary properties. They usually consist of atomic layers that are only a few nanometers thick and are particularly good at conducting heat and electricity, for instance. To the ...

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