Ultrathin and extremely conductive, graphene exhibits potential for flexible electronics and energy-dense battery electrodes. But materials scientists worry that the material’s brittleness could keep it away from practical applications. New research shows that carbon nanotubes could be the solution to this issue. Sensitive measurement methods and simulations show that coating graphene with carbon nanotubes helps it resist fracture in quite the same way that rebar makes concrete structures more robust.

AZoNano

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