Enhanced piezocapacitive response in zinc oxide tetrapod–poly(dimethylsiloxane) composite dielectric layer for flexible and ultrasensitive pressure sensor
Gen-Wen Hsieh, Shih-Rong Ling, Fan-Ting Hung, Pei-Hsiu Kao, Jian-Bin Liu
Abstract
. The limit of detection was estimated to be about 10 mg, corresponding to a subtle stimulus of only 1.0 Pa. Besides, versatile functionalities such as detection of finger bending/straightening, calligraphy writing, and air flow blowing have been investigated. It is expected that the proposed piezocapacitive pressure sensors incorporating stress-sensitive additives of zinc oxide nanostructures may provide a promising means for potential applications in ultrasensitive wearable, healthcare systems and human-machine interfaces.
Topics & Concepts
Materials scienceDielectricTetrapod (structure)ZincComposite numberOxideLayer (electronics)Composite materialOptoelectronicsMetallurgyBiologyPaleontologyAdvanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsDielectric materials and actuators