Flexible piezoresistive pressure sensor based on a graphene-carbon nanotube-polydimethylsiloxane composite

Abstract

HIGHLIGHTS • A piezoresistive flexible sensor is fabricated by replicating microstructures from sandpaper onto a PDMS-RGO-CNT composite. •The sensor exhibits sensing performance with high sensitivity, rapid response, and low hysteresis. •Larger microstructures replicated from sandpaper show better performance compared to smaller ones.