Synthesis and characterization of poly(vinylidene fluoride)/carbon nanotube composite piezoelectric powders
作者： Jhunu Chatterjee , Naomi Nash , Pierre-Jean Cottinet , Ben Wang
DOI: 10.1557/JMR.2012.230
关键词:
摘要: Nanocomposite piezoelectric powders comprising polyvinylidene fluoride (PVDF) and carbon nanotubes (CNTs) were synthesized using a novel process, which combines ultrasonication solvent-nonsolvent mixture-induced crystallization at very low temperatures ≤10 °C. The morphological thermal properties of these composite extensively studied. Scanning electron microscopy characterization showed that have polymer particles with an average diameter 150 nm. Fourier transform infrared spectroscopy, differential scanning calorimetry wide-angle x-ray scattering analyses confirmed CNT concentrations 0.05–20 wt% this process introduces the β-phase in both PVDF/single-walled (SWCNT) PVDF/multiwalled (MWCNT) powders. Both types (PVDF-multiwalled PVDF-single-walled nanotubes) shown response different voltages up to 1% loading multiwalled (MWCNTs) 0.5% single-walled (SWCNTs) composites.
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