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Flexible tri-layer piezoelectric nanogenerator based on PVDF-HFP/Ni-doped ZnO nanocomposites

机译:基于PVDF-HFP / Ni掺杂ZnO纳米复合材料的柔性三层压电纳米发电机

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In this work, we report Ni doped ZnO/poly(vinylidene fluoride-hexafluoropropylene) [PVDF-HFP] nanocomposites prepared by sandwiching and their structural, morphological, thermal, electrical and piezoelectric properties. The X-ray diffraction analysis and Fourier transform infrared spectral (FTIR) studies of the nanocomposite films confirm the enhanced β-phase crystallization in the PVDF-HFP matrix due to the Ni-doped ZnO nanoparticles. Microscopic images of the prepared samples substantiate homogeneous dispersion of Ni-doped ZnO nanoparticles in the polymer matrix resulting in higher β-phase nucleation. In addition, the nanocomposite shows a high dielectric constant and low dielectric loss, making it suitable for energy storage. The piezoelectric property increases with the filler concentration and a maximum generated output voltage of 1.2 V is achieved at 0.5 wt% Ni-doped ZnO.
机译:在这项工作中,我们报告了通过夹心制备的镍​​掺杂的ZnO /聚偏二氟乙烯-六氟丙烯[PVDF-HFP]纳米复合材料及其结构,形态,热,电和压电性能。纳米复合膜的X射线衍射分析和傅立叶变换红外光谱(FTIR)研究证实,由于掺Ni的ZnO纳米颗粒,PVDF-HFP基质中的β相结晶增强。所制备样品的显微图像证实了Ni掺杂的ZnO纳米粒子在聚合物基质中的均匀分散,从而导致更高的β相成核作用。另外,纳米复合材料显示出高介电常数和低介电损耗,使其适合于能量存储。压电性能随填充剂浓度的增加而增加,在掺有0.5 wt%的Ni的ZnO上,最大产生的输出电压为1.2V。

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