#technology #energy #USI2022
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In a world constantly shaken by shocks (energy, 5G, health, etc.), the development of new technologies becomes imperative to respond to the aftermath in a timely and compelling manner. In recent years physicists, chemists, biologists and engineers have been getting ever more excited about graphene. The first truly 2-dimensional material, graphene, was discovered in 2004 as sheets of carbon, one atom in thickness but many, many thousands of atoms across. Because of its 2D nature, graphene displays a host of exciting properties: it is the thinnest, strongest, most impermeable and most conductive material known to man. This can result in dramatically enhanced surface activity, leading to important applications in microelectronics, energy storage and harvesting, composites, etc. Interestingly, graphene can be obtained by simple exfoliation of graphite, one of the most plentiful raw materials on the planet. If this wasn’t exciting enough, the discovery of graphene was quickly followed by reports of a host of other 2D materials, all important because occurring in 100 different types with a wide range of electronic properties, varying from metallic to semiconducting. The availability of this new set of materials is revolutionising technology in many different fields. This talk will first discuss the galaxy of existent layered materials, with emphasis on synthesis, up-scaled liquid-phase exfoliation, and to finish off with some key applications recently developed in our laboratories, ranging from energy storage to sensing and composites.

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