Oxidized Ti3C2T x film-based high-performance flexible pressure sensors

Flexible pressure sensors are the basic building blocks for implementing electronic or tactile skin for robotics, wearable electronic and human-machine interactions. To achieve these potential applications, subtle pressure detection is required under a variety of conditions and is often limited by low sensitivity. Herein, we report an oxidized Ti3C2T (x) film with outstanding mechanical flexibility via vacuum filtration to assemble a novel flexible pressure sensor. Benefiting from the large deformation of the composite films, the prepared pressure sensor exhibits low detection limits of 8 Pa and fast response/recovery time of 70/20 ms, in addition to excellent cycling stability (10 000 cycles). These novel functions allow us to act as electronic skin to monitor human physiological activity in a personalized manner. Obviously, this good sensing characteristic can highlight the broad prospects of oxidized MXene-based pressure sensors for higher integration of flexible electronic devices.

Automated summary

The article introduces a novel flexible pressure sensor utilizing oxidized Ti3C2T (x) film, which demonstrates low detection limits, fast response and recovery time, and excellent cycling stability for personalized monitoring of human physiological activities. This good sensing characteristic highlights the broad prospects of oxidized MXene-based pressure sensors for higher integration of flexible electronic devices.