NDLI: Improvement of the piezoelectricity of PVDF-TrFE by carbon black

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Improvement of the piezoelectricity of PVDF-TrFE by carbon black

Content Provider	Scilit
Author	Alamusi Wu, Liangke Hu, Ning Yao, Jianyao Liu, Yaolu Ning, Huiming Liu, Xuyang Yuan, Weifeng Fu, Shaoyun
Copyright Year	2018
Description	Journal: Materials Research Express In order to prepare PVDF-TrFE films with high piezoelectric performance, carbon black (CB), in the range of 0.0 wt.% to 0.8 wt.%, was added into PVDF-TrFE/DMF solutions. To investigate the effects of CB on the power generation capability, various fabricated films were attached on a vibrating plate, and then the output voltages and harvested power density were measured. The composite film was optimized with a calibrated open circuit voltage of 10.09 V when the CB content was at 0.8 wt.%,, which was about 79% higher than that of the pure PVDF-TrFE films (5.63 V). Meanwhile, the energy harvesting capability was enhanced by 164 %. Fourier transform infrared spectroscopy and other characterization techniques show that the addition of CB resulted in the easier formation of β-phase (piezoelectric) rather than α-phase (non-piezoelectric) due to the nucleate role of CB during the preparation process of the composite films.
Related Links	http://iopscience.iop.org/article/10.1088/2053-1591/aaebbb/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/aaebbb
Journal	Materials Research Express
Issue Number	2
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2018-10-26
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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