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Graphene Nanoflakes Modified for Cooling Systems

Category: Science & Technology
Posted: 12:05PM
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Since its discovery, researchers have been discovering more and more applications for graphene, a form of carbon. With its amazing mechanical and electrical properties, it is hardly surprising that so many have been found. Now researchers at Chalmers University of Technology have discovered a way to make an effective means of cooling electronics and other devices.

Graphene is an atom-think sheet of carbon that has many promising properties, including great electrical and thermal conductivity. These are both reasons why we may see it used in various devices, and the Chalmers researchers have found how to enhance its thermal properties. By adding functionalized molecules to graphene nanoflakes, the researchers were able to improve a graphene film's heat transfer efficiency by 76%. This is because of how phonons, the quantum of heat, are constrained by the functional layer, and could lead to means of controlling the heat of electronic and optoelectronic systems. That control could then in turn be used to better cool electronic and optoelectronic devices, allowing for greater performance.

Source: Chalmers University of Technology



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