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Graphene News — Graphene films

Graphene Biosensors

Marko Spasenovic

Graphene Biosensors

A biosensor is a device which measures biological or chemical reactions by creating an electrical output response that is proportional to the concentration of a particular substance (or analyte) within that reaction. They are used in a wide range of areas including medical treatment, environmental surveys, food control, forensics and...

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Graphene helps study catalysis: bridging the pressure gap

Marko Spasenovic

Graphene helps study catalysis: bridging the pressure gap

Catalysis is a process in which an added catalyst enhances the rate of a reaction, making chemical reactions quicker and less costly. Catalysis is a supporting pillar of today's industry, playing a role in 90% of all chemical production. Generating about a trillion USD in products worldwide, catalysis is used...

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Anisotropic heat conductivity in graphene films

Marko Spasenovic

Reducing graphene oxide to graphene via a high-temperature treatment increases thermal conductivity along the film direction, while decreasing it across the film. Scientists from UC Riverside, Moldova State University, and Graphenea see the potential of this new method in thermal management. Graphene possesses an extremely high thermal conductivity along the...

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Conformal transfer of graphene for reproducible device fabrication

Marko Spasenovic

Conformal transfer of graphene on a prepatterned substrate is a viable technology for reproducible fabrication of graphene devices. Such is the conclusion of a recent study by a team of scientists from Germany, the Netherlands, Spain and Saudi Arabia.Reliable fabrication of graphene devices for electronics has been a technological challenge...

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Graphene helps gallium nitride grow on silicon for hi-tech applications

Marko Spasenovic

Graphenea's latest research paper demonstrates the growth of commercially important GaN-on-silicon devices using graphene as an intermediary layer. Semiconductors made of third-group periodic table elements and nitrogen (III-nitride semiconductors), including GaN, AlN, InN, and their alloys, have attracted considerable attention because of their outstanding material properties leading to many applications for...

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