Energy Harvesting Leveraging Piezoelectric Property of ZnO Nanorods
Abstract
Vertical ZnO nanorods (NRs) were grown on flexible plastic substrates at low temperature using hydrothermal synthesis method. An energy scavenging piezoelectric device was constructed using two flexible substrates with the NR sides facing each other providing a maximum open-circuit voltage of 1.4 V (peak). Two sets of three piezoelectric devices connected in series in a half-diode-bridge circuit configuration was demonstrated to turn on a commercial red LED.
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