Abstract

AbstractThe highly sensitive and degradable piezoresistive pressure sensor was constructed by coating Ti3C2Tx MXene flakes with different degrees of in situ oxidation onto the paper substrates using the dipping‐drying method. In situ oxidation tunes the intrinsic resistance and expands the interlayer distance of MXene nanosheets, which regulates the sensitivity of the sensor. It is found that the partially oxidized MXene‐based pressure sensor demonstrates remarkably higher sensitivity (28.43 kPa−1) than those of pristine MXene, over‐oxidized MXene, and state‐of‐the‐art paper‐based pressure sensors. (DOI: 10.1002/inf2.12328) image

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