Piezoelectric and ferroelectric characteristics of P(VDF-TrFE) thin films on Pt and ITO substrates

Jeongdae Seo; Jong Yeog Son; Woo Hee Kim

doi:10.1016/j.matlet.2018.12.014

Piezoelectric and ferroelectric characteristics of P(VDF-TrFE) thin films on Pt and ITO substrates

Jeongdae Seo, Jong Yeog Son, Woo Hee Kim

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Organic P(VDF-TrFE) 70/30 copolymer thin films were fabricated on Pt/Ti/SiO₂/Si(1 1 1) and ITO/glass substrates at 140 °C using a spin coater. Both P(VDF-TrFE) thin films exhibited ferroelectric β-phase crystallinity, as confirmed by X-ray diffraction analysis. The polarization–electric hysteresis loops of the P(VDF-TrFE) thin films on the Pt and indium-tin-oxide substrates showed high remnant polarizations of 15.5 and 11.8 μC/cm², respectively. Atomic force microscopy characterization showed rod-like features of the P(VDF-TrFE) thin films on both substrates, where larger rod diameters were observed on the Pt substrate compared to those fabricated on the ITO substrate. Piezoelectric force microscopy measurements further confirmed the superior piezoelectric and ferroelectric properties of the P(VDF-TrFE) thin films on the Pt substrate compared to those on the ITO substrate, which arose from the increased diameter of the rod-like features.

Original language	English
Pages (from-to)	237-240
Number of pages	4
Journal	Materials Letters
Volume	238
DOIs	https://doi.org/10.1016/j.matlet.2018.12.014
Publication status	Published - 1 Mar 2019

Bibliographical note

Publisher Copyright:
© 2018 Elsevier B.V.

Keywords

Ferroelectricity
ITO substrate
P(VDF-TrFE) thin film
Piezoelectricity
Pt substrate

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10.1016/j.matlet.2018.12.014

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title = "Piezoelectric and ferroelectric characteristics of P(VDF-TrFE) thin films on Pt and ITO substrates",

abstract = "Organic P(VDF-TrFE) 70/30 copolymer thin films were fabricated on Pt/Ti/SiO2/Si(1 1 1) and ITO/glass substrates at 140 °C using a spin coater. Both P(VDF-TrFE) thin films exhibited ferroelectric β-phase crystallinity, as confirmed by X-ray diffraction analysis. The polarization–electric hysteresis loops of the P(VDF-TrFE) thin films on the Pt and indium-tin-oxide substrates showed high remnant polarizations of 15.5 and 11.8 μC/cm2, respectively. Atomic force microscopy characterization showed rod-like features of the P(VDF-TrFE) thin films on both substrates, where larger rod diameters were observed on the Pt substrate compared to those fabricated on the ITO substrate. Piezoelectric force microscopy measurements further confirmed the superior piezoelectric and ferroelectric properties of the P(VDF-TrFE) thin films on the Pt substrate compared to those on the ITO substrate, which arose from the increased diameter of the rod-like features.",

keywords = "Ferroelectricity, ITO substrate, P(VDF-TrFE) thin film, Piezoelectricity, Pt substrate",

author = "Jeongdae Seo and Son, {Jong Yeog} and Kim, {Woo Hee}",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier B.V.",

year = "2019",

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doi = "10.1016/j.matlet.2018.12.014",

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T1 - Piezoelectric and ferroelectric characteristics of P(VDF-TrFE) thin films on Pt and ITO substrates

AU - Seo, Jeongdae

AU - Son, Jong Yeog

AU - Kim, Woo Hee

PY - 2019/3/1

Y1 - 2019/3/1

N2 - Organic P(VDF-TrFE) 70/30 copolymer thin films were fabricated on Pt/Ti/SiO2/Si(1 1 1) and ITO/glass substrates at 140 °C using a spin coater. Both P(VDF-TrFE) thin films exhibited ferroelectric β-phase crystallinity, as confirmed by X-ray diffraction analysis. The polarization–electric hysteresis loops of the P(VDF-TrFE) thin films on the Pt and indium-tin-oxide substrates showed high remnant polarizations of 15.5 and 11.8 μC/cm2, respectively. Atomic force microscopy characterization showed rod-like features of the P(VDF-TrFE) thin films on both substrates, where larger rod diameters were observed on the Pt substrate compared to those fabricated on the ITO substrate. Piezoelectric force microscopy measurements further confirmed the superior piezoelectric and ferroelectric properties of the P(VDF-TrFE) thin films on the Pt substrate compared to those on the ITO substrate, which arose from the increased diameter of the rod-like features.

AB - Organic P(VDF-TrFE) 70/30 copolymer thin films were fabricated on Pt/Ti/SiO2/Si(1 1 1) and ITO/glass substrates at 140 °C using a spin coater. Both P(VDF-TrFE) thin films exhibited ferroelectric β-phase crystallinity, as confirmed by X-ray diffraction analysis. The polarization–electric hysteresis loops of the P(VDF-TrFE) thin films on the Pt and indium-tin-oxide substrates showed high remnant polarizations of 15.5 and 11.8 μC/cm2, respectively. Atomic force microscopy characterization showed rod-like features of the P(VDF-TrFE) thin films on both substrates, where larger rod diameters were observed on the Pt substrate compared to those fabricated on the ITO substrate. Piezoelectric force microscopy measurements further confirmed the superior piezoelectric and ferroelectric properties of the P(VDF-TrFE) thin films on the Pt substrate compared to those on the ITO substrate, which arose from the increased diameter of the rod-like features.

KW - Ferroelectricity

KW - ITO substrate

KW - P(VDF-TrFE) thin film

KW - Piezoelectricity

KW - Pt substrate

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DO - 10.1016/j.matlet.2018.12.014

M3 - Article

AN - SCOPUS:85058655107

SN - 0167-577X

VL - 238

SP - 237

EP - 240

JO - Materials Letters

JF - Materials Letters

ER -

Piezoelectric and ferroelectric characteristics of P(VDF-TrFE) thin films on Pt and ITO substrates

Abstract

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Keywords

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