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. 2020 Jan 22;20(3):623. doi: 10.3390/s20030623

Figure 1.

Figure 1

(a) 3D schematic of the sensor. (b) Cross section view. Poly(vinylidene fluoride-trifluoroethylene) (PVDF-TrFE) is sandwiched between two electrodes. Bottom electrode is a metal disk made of aluminum tape covered with gold. The top one consists of laminated poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). Good electrical contact is ensured by an evaporation of gold on top of the PVDF-TrFE. The stretchable PEDOT:PSS is used to interconnect both electrodes.