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Title: | Low cost fabrication of polymer composite (h-ZnO+PDMS) material for piezoelectric device applications |
Authors: | Rao, V. Ramgopal |
Keywords: | EEE Piezoelectric device Fabrication Polymer composite |
Issue Date: | Jul-2016 |
Publisher: | IOP |
Abstract: | Flexible piezoelectric composites offer alternative and/or additional solutions to sensor, actuator and transducer applications. Here in this work, we have successfully fabricated highly flexible piezoelectric composites with poly dimethyl siloxane (PDMS) using herbal zinc oxide (h-ZnO) as filler having weight fractions up to 50 wt.% by solution casting of dispersions of h-ZnO in PDMS. Excellent piezo properties (Resonant frequency 935 Hz, d*33 29.76 pm V−1), physiochemical properties (Wurtzite structure ZnO, 380 nm absorbance) and mechanical properties (Young modulus 16.9 MPa) have been optimized with theoretical simulations and observed experimentally for h-ZnO + PDMS. As such, the demonstrated piezoelectric PDMS membranes combined with the excellent properties of these composites open new ways to 'soft touch' applications and could serve as a variety of soft and sensitive electromechanical transducers, which are desired for a variety of sensor and energy harvesting applications. |
URI: | https://iopscience.iop.org/article/10.1088/2053-1591/3/7/075702 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/12597 |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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