In recent decades, micro and nanoscale technologies have become cutting-edge frontiers\nin material science and device developments. This worldwide trend has induced further\nimprovements in actuator production with enhanced performance. A main role has been played by\nnanostructured carbon-based materials, i.e., carbon nanotubes and graphene, due to their intrinsic\nproperties and easy functionalization. Moreover, the nanoscale decoration of these materials has led\nto the design of doped and decorated carbon-based devices effectively used as actuators\nincorporating metals and metal-based structures. This review provides an overview and discussion\nof the overall process for producing AC actuators using nanostructured, doped, and decorated\ncarbon materials. It highlights the differences and common aspects that make carbon materials one\nof the most promising resources in the field of actuators.
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