Analytical Modeling of Piezoelectric Charge Gated Thin Film Transistor for Force Sensing and Energy Harvesting
2015可穿戴大会——This paper addresses a novel electronic device that works in force sensing and energy harvesting dual modes. It combines a dual-gate thin film transistors (TFT) and a thin film piezoelectric material. In force sensing mode, the thin piezoelectric film is placed atop TFT and works as a top gate. That top gate voltage which is induced by the applied force will affect the output current of TFT. An analytical model is given to elaborate how output current varies with applied force. Energy harvesting mode can be achieved by simply connecting the top, bottom gates and the drain terminals that will make TFT work in the saturation region without any other external power supply.
关键词： force sensing;energy harvesting;thin film transistor; analytical model 2015可穿戴大会
主讲人：Kai Wang 机构：Sun Yat-Sen University Carnegie Mellon University Joint Institute of Engineering
时长：0:13:46 年代：2015年
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