Preparation and Properties of ZnO Nanofiber Flexible Pressure Sensor

Abstract

With the development of the new four modernization of automobiles, the intelligent pace of the global automobile industry has accelerated. In order to meet the demand and help the development, this paper proposes a preparation method of ZnO nanofiber flexible pressure sensor based on electrospinning technology. ZnO nanofibers prepared by electrospinning are used as the pressure-sensitive active layer, which is placed on the fork guide electric layer, and then packaged with PDMS film for protection. After preparation, a series of performance tests were carried out successively. It was observed by SEM that the pressure-sensitive active layer was long fiber with uniform distribution. XRD pattern is consistent with standard card. The results of sensitivity test and human motion sensing test show that the sensor has the characteristics of high sensitivity, short response time and stable signal sensing, which can meet the actual needs and is expected to be widely used in the field of automotive intelligent cockpit.