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13th International Conference on Advanced Materials and Nanotechnology

Osaka, Japan

Pietro Cataldi

Pietro Cataldi

Italian Institute of Technology, Italy

Title: Fiber Network Modified With Graphene for Foldable and Wearable Electronics


Biography: Pietro Cataldi


Flexible and foldable electronic components require materials that can retain their electrical conductivity even after hard mechanical manipulations and multiple folding events[1]. Such a material was realized with two different methods exploiting the combination of all-biodegradable components (substrate and the polymer matrix) and graphene nanoplatelets (GnPs) [2,3]. A fibrous cellulose substrate was sized with a biopolymer-GnPs conductive ink rendering it electrically conductive (sheet resistance ≈10 Ω/sq). The obtained nanocomposites can be used as electrodes for surface electromyography and for terahertz electromagnetic interference shielding. With a similar approach a flexible cotton-GnPs conductive nanocomposite was realized. This material address several drawbacks related to durability and washability of wearable electronics material. Micro-cracks formed after repeated folding-unfolding events can be healed through an hot pressing process.  Such cotton based conductive composites could find several applications in smart textile industry