PEDOT:PSS/PDMS-Coated Cotton Fabric for Strain and Moisture Sensors

In this work, we have successfully developed a flexible, lightweight, and washable strain moisture sensor textile fabric by printing poly(3,4-ethylenedioxythiophene) polystyrene sulfonate/polydimethylsiloxane-b-polyethylene oxide (PEDOT:PSS/PDMS) conductive polymer composite on knitted cotton fabric. A 60.2 kΩ/sq surface resistance has been obtained at 30% ratio of PDMS to PEDOT:PSS 0.012 g/cm2 solid add-on. The coated was washed 30 °C for min in the presence standard detergent. It observed that there 5.3% increase resistance, i.e., 63.4 kΩ/sq. After coating, could still be stretched up infliction elongation fabric, 40%, with significant change makes it usable as sensor. addition, showed drop an regain 150%.