期刊
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
卷 57, 期 13, 页码 1344-1351出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2017.1381249
关键词
Composites; dielectric properties; P(VDF-HFP); poly(vinylpyrrolidone); scanning electron microscopy
资金
- DST-FIST
- UGC-DRS
- UGC-BSR fellowship
- UGC-MRP, New Delhi, India [42-277/2013 (SR)]
The dielectric properties of poly(vinylpyrrolidone) (PVP)-modified bismuth ferrite (BFO) particles in the poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP) matrix were prepared through solution casting techniques. The composites showed enhanced dielectric constant (90) and reduced dielectric loss (<0.5) at 40wt% of PVP-modified BFO particles. The dielectric constant of the resultant composites with PVP-modified BFO was much higher as compared to that of unmodified BFO-P(VDF-HFP) composites. The maximum remnant polarization reached (2Pr approximate to 1.12 mu Ccm(-2)) in the PVP-modified BFO-P(VDF-HFP) composites. The demonstrated approach might provide a route for using PVP-modified BFO particles to enhance the dielectric and ferroelectric performance of the composites. [GRAPHICS] .
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