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Finite element analysis and single-pixel evaluation of a pixelated energy-harvesting array by integrating PVDF film with dual-gate thin film transistors

A pixelated energy-harvesting array was formed by integrating a PVDF film with dual-gate thin-film transistors (TFT). Finite element method was used to elaborate the displacement and corresponding charges generated by each pixel upon applying forces. The response of underneath TFT was also simulated and an experimental study was conducted to demonstrate the power scavenged from 1-Hz and 10 kN/m2 dynamic pressure. This work has proven that such an energy harvester is promising for wearable electronics.