Introduction Click to copy section linkSection link copied! Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is a water-soluble and electrically conductive polymer that is increasingly applied in organic electronics across numerous fields, such as batteries, supercapacitors, and solar cells. (1−3) Many studies focus on the optimization of device performance regarding conductivity, charging and recharging times, and initial mechanical stability and flexibility.