Browsing by Author "Zhu, D."

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    PDMS/PVA composite ferroelectret for improved energy harvesting performance
    (IOP Publishing: Conference Series / Institute of Physics (IoP), 2016-12-14) Shi, J.; Lou, Z.; Zhu, D.; Beeby, S. P.
    This paper address the PDMS ferroelectret discharge issue for improved long- term energy harvesting performance. The PDMS/PVA ferroelectret is fabricated using a 3D-printed plastic mould technology and a functional PVA composite layer is introduced. The PDMS/PVA composite ferroelectret achieved 80% piezoelectric coefficient d33 remaining, compared with 40% without the proposed layer over 72 hours. Further, the retained percentage of output voltage is about 73% over 72 hours.