期刊
IEEE TRANSACTIONS ON NANOTECHNOLOGY
卷 13, 期 4, 页码 709-713出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNANO.2014.2316536
关键词
Electrospinning; piezoelectric sensors; poly(vinylidene fluoride) (PVDF); printed electrodes; silver nanostructures
类别
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC) [402370, 436725]
- [2012K2A1A2033167]
- Ministry of Science, ICT & Future Planning, Republic of Korea [KINC02] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Here, we report a facile fabrication of flexible piezoelectric sensors based on highly aligned poly(vinylidene fluoride) (PVDF) nanofibers and printed silver electrodes without any additional poling processes. One-dimensional (1-D) piezoelectric PVDF nanofibers are directly produced onto stamped and sprayed interdigitated electrodes by electrospinning. We studied here the effect of contact area between nanofibers and electrodes by controlling the surface roughness of electrode. PVDF sensors show increased piezoelectric responses with larger actual contact area of the interdigitated electrodes. The measured output voltage under periodic bending stress is up to about 1 V. It is expected that this facile method to fabricate the PVDF sensors can be used to integrate the energy harvesters into flexible and stretchable functional electronic devices.
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