METHOD OF FABRICATING HIGH-PERFORMANCE POLY (VINYLIDENEDIFLUORIDE-TRIFLUOROETHYLENE), P(VDF-TRFE) FILMS
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United States of America Patent
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Aug 17, 2017
app pub date -
Jun 30, 2016
filing date -
Feb 16, 2016
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Abstract
The present invention relates to a process of fabricating P(VDF-TrFE) films by modifying the solvent composition. Two solvents MEK and DMSO were mixed in pre-determined ratios and that co-solvent mixture was used for fabricating the P(VDF-TrFE) films. By virtue of such method driven P(VDF-TrFE) films, the ferroelectric capacitors comprising of the same were found to achieve low voltage operation, thermal stability and fatigue endurance, which indicated improved ferroelectric performance of the devices. In addition, the films made by same process also yielded high piezo- and pyro-electric coefficient, indicating improved piezo- and pyro-electric performances of the devices.
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