Abstract:Piezoresistive composite is one of the promising candidates for wearable and flexible force sensors due to its simple and low‐cost preparation and conformability to various surfaces. However, it is challenging to achieve a wide sensing range and a high sensitivity simultaneously. Herein, it is proposed to use multilevel porous structure to address the conflict between sensing range and pressure sensitivity. The multilevel porous structure consists of alternately stacked polyacrylonitrile nanofibers and silver … Show more
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