Optimization of the blend ratio of soft functional polymers for high piezoelectric performance stretchable device

In recent years, softening a ferroelectric polymer for wearable tactile electronics has been challenging because of its high robustness and crystallinity. In this study, a functional piezoelectric material system was fabricated by optimizing the blend ratio of a copolymer of PMMA-PBA, which is an amorphous polymer, and a ferroelectric polymer P(VDF-TrFE). The stretchable film was able to extend it up to maximum 400%. By fabricating a capacitor-type device combined with a conductive polymer, we demonstrated the possibility of applying it to a stretchable sensor.

Automated summary

Softening a ferroelectric polymer for wearable tactile electronics has been challenging due to its high robustness and crystallinity. In this study, a functional piezoelectric material system was created by optimizing the blend ratio of an amorphous polymer, PMMA-PBA, and a ferroelectric polymer, P(VDF-TrFE). The resulting stretchable film could be extended up to 400%. By fabricating a capacitor-type device combined with a conductive polymer, the potential for using it in a stretchable sensor was demonstrated.