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Ferroelectric Poly (Vinylidene Fluoride) Film on a Substrate and Method for its Formation
Ferroelectric Poly (Vinylidene Fluoride) Film on a Substrate and Method for its Formation
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机译:衬底上的铁电聚偏二氟乙烯薄膜及其形成方法
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摘要
Ferroelectric Poly(vinylidene fluoride) Film on a Substrate and Method for its Formation A method of producing a poly(vinylidene fluoride) (“PVDF”) film on a substrate from a precursor solution is disclosed. The method comprises preparing the precursor solution for the PVDF film and dissolving an additive in the precursor solution, the additive being selected from the group consisting of: a hydrate salt, and a hygroscopic chemical. The PVDF is added to the precursor solution. The PVDF solution is coated on a substrate to form an as-deposited PVDF film which is dried and crystallized at an elevated temperature. The dried and crystallized as-deposited PVDF film is annealed at a further elevated temperature. The further elevated temperature is greater than the elevated temperature but less than a melting point of the as-deposited PVDF film. The additive dehydrates at the further elevated temperature. A corresponding product is also disclosed.
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