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A flexible piezoelectric energy harvester was demonstrated by an aerosol-deposited PZT film to realize a self-powered wireless sensor node system. The flexible harvesting device can generate a voltage of 200 V and a current of 35 μA. A self-powered wireless sensor node was constructed by integrating the PZT harvester, a rectifying/storage circuit, and a wireless temperature-sensor node to measure ambient temperature and wirelessly transmit the data to a monitor. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Hwang et al. (Mon,) studied this question.