Poly(vinylidene fluoride)–La0.5Sr0.5CoO3−δ composites: the influence of LSCO particle size on the structure and dielectric properties

2014 ◽  
Vol 16 (32) ◽  
pp. 17008-17017 ◽  
Author(s):  
K. S. Deepa ◽  
P. Shaiju ◽  
M. T. Sebastian ◽  
E. Bhoje Gowd ◽  
J. James
Keyword(s):  
Particle Size ◽  
Dielectric Properties ◽  
Vinylidene Fluoride ◽  
Polar Crystals ◽  
Poly Vinylidene Fluoride ◽  
Embedded Capacitor

The inclusion of LSCO into PVDF readily favours the formation of polar crystals (β and γ-phases), which makes the composite suitable for embedded capacitor applications.

scholarly journals Characterizations and Significantly Enhanced Dielectric Properties of PVDF Polymer Nanocomposites by Incorporating Gold Nanoparticles Deposited on BaTiO3 Nanoparticles

Polymers ◽  
2021 ◽  
Vol 13 (23) ◽  
pp. 4144
Author(s):  
Kaniknun Sreejivungsa ◽  
Nutthakritta Phromviyo ◽  
Ekaphan Swatsitang ◽  
Prasit Thongbai
Keyword(s):  
Particle Size ◽  
Dielectric Properties ◽  
Vinylidene Fluoride ◽  
Average Particle Size ◽  
Hybrid Nanoparticles ◽  
Average Particle ◽  
Potential Measurement ◽  
Poly Vinylidene Fluoride ◽  
Negative Surface ◽  
Batio3 Nanoparticles

Poly(vinylidene fluoride) (PVDF) nanocomposites were fabricated by incorporating BaTiO3 nanoparticles (particle size of ~100 nm, nBT), which were deposited by Au nanoparticles (nAu) with an average particle size of 17.8 ± 4.0 nm using a modified Turkevich method. Systematic characterizations on the synthesized nAu-nBT hybrid nanoparticles and nAu-nBT/PVDF nanocomposites with different contents of a filler were performed. The formation of nAu-nBT hybrid nanoparticles was confirmed with the calculated nAu:nBT ratio of 0.5:99.5 wt.%. The homogeneous dispersion of nAu and nBT in the PVDF polymer was obtained due to the interaction between the negative surface charge of the nAu-nBT filler (compared to that of the nBT) and polar β-PVDF phase, which was confirmed by the zeta potential measurement and Fourier-transform infrared spectroscopy, respectively. A significantly increased dielectric permittivity (ε′ ~ 120 at 103 Hz) with a slight temperature-dependent of <±15% ranging from −20 to 140 °C was obtained. Notably, a low loss tangent (tanδ < 0.08) was obtained even at a high temperature of 140 °C. Therefore, incorporating a PVDF polymer with nAu-nBT hybrid nanoparticles is an attractive method to improve the dielectric properties of a PVDF polymer for dielectrics applications.

scholarly journals Significantly improved dielectric properties of multiwall carbon nanotube-BaTiO3/PVDF polymer composites by tuning the particle size of the ceramic filler

RSC Advances ◽  
2019 ◽  
Vol 9 (41) ◽  
pp. 23498-23507 ◽  
Author(s):  
Kanyapak Silakaew ◽  
Prasit Thongbai
Keyword(s):  
Particle Size ◽  
Carbon Nanotube ◽  
Dielectric Properties ◽  
Electrical Properties ◽  
Polymer Composites ◽  
Vinylidene Fluoride ◽  
Multiwall Carbon Nanotube ◽  
Ceramic Filler ◽  
Poly Vinylidene Fluoride ◽  
Multiwall Carbon

The effects of different BaTiO3 sizes (≈100 nm (nBT) and 0.5–1.0 μm (μBT)) on the dielectric and electrical properties of multiwall carbon nanotube (CNT)-BT/poly(vinylidene fluoride) (PVDF) composites are investigated.

scholarly journals 3D-printed barium titanate/poly-(vinylidene fluoride) nano-hybrids with anisotropic dielectric properties

2017 ◽  
Vol 5 (47) ◽  
pp. 12430-12440 ◽  
Author(s):  
N. Phatharapeetranun ◽  
B. Ksapabutr ◽  
D. Marani ◽  
J. R. Bowen ◽  
V. Esposito
Keyword(s):  
Dielectric Properties ◽  
Barium Titanate ◽  
Vinylidene Fluoride ◽  
Anisotropic Dielectric ◽  
Poly Vinylidene Fluoride ◽  
3D Printed ◽  
Dielectric Devices

“3D-printed” anisotropy BTNFs/PVDF nanohybrids are successfully fabricated by the FDM technique which is attractive for developing novel functionalities in dielectric devices.

Effects of processing methods on dielectric properties of BaTiO3/poly(vinylidene fluoride) nanocomposites

2015 ◽  
Vol 146 ◽  
pp. 1-5 ◽  
Author(s):  
Kanyapak Silakaew ◽  
Wantana Saijingwong ◽  
Keerati Meeporn ◽  
Santi Maensiri ◽  
Prasit Thongbai
Keyword(s):  
Dielectric Properties ◽  
Vinylidene Fluoride ◽  
Processing Methods ◽  
Poly Vinylidene Fluoride

Simulation of dielectric properties of poly(vinylidene fluoride)

2016 ◽  
Vol 501 (1) ◽  
pp. 169-172
Author(s):  
O. G. Maksimova ◽  
A. V. Maksimov
Keyword(s):  
Dielectric Properties ◽  
Vinylidene Fluoride ◽  
Poly Vinylidene Fluoride
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