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The effects of an alkaline treatment on the ferroelectric properties of poly(vinylidene fluoride trifluoroethylene) films

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Abstract

The effects of an alkaline treatment on the ferroelectric properties of poly(vinylidene fluoride trifluoroethylene) [P(VDF-TrFE)] copolymer films are investigated. The alkaline treatment resulted in a small change in the surface roughness but no significant change in the grain shape or size of P(VDF-TrFE) copolymer films, as evidenced by both scanning electron microscopy and atomic force microscopy images. However, xray photoelectron spectroscopy results indicated that the alkaline etchant of a KOH solution reacted with P(VDF-TrFE) films to decrease the number of C-F bonds while creating new carbon conjugated double bonds, which decreased the remanent polarization of the P(VDF-TrFE) films. These results can improve our understanding of the degradation mechanism of an alkaline treatment.

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Correspondence to Seungbum Hong or Kwangsoo No.

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Kim, Y., Hong, S., Oh, S. et al. The effects of an alkaline treatment on the ferroelectric properties of poly(vinylidene fluoride trifluoroethylene) films. Electron. Mater. Lett. 11, 586–591 (2015). https://doi.org/10.1007/s13391-015-5125-7

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  • DOI: https://doi.org/10.1007/s13391-015-5125-7

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