Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 23, Issue 19, Pages 2445-2449Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201202867
Keywords
super-flexible nanogenerator; zinc oxide nanowire; energy harvesting; active deformation sensor; self-powered sensor
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Funding
- Samsung Electronics
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Knowledge Economy (MKE) [2011-8520010050]
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Using an Al-foil of thickness approximate to 18 m as a substrate and electrode, a piezoelectric nanogenerator (NG) that is super-flexible in responding to the wavy motion of a very light wind is fabricated using ZnO nanowire arrays. The NG is used to harvest the energy from a waving flag, demonstrating its high flexibility and excellent conformability to be integrated into fabric. The NG is applied to detect the wrinkling of a human face, showing its capability to serve as an active deformation sensor that needs no extra power supply. This strategy may provide a highly promising platform as energy harvesting devices and self-powered sensors for practical use wherever movement is available.
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