A TGS/70:30 VDF:RTrFE copolymer composite: Thin film formation and pyroelectric properties

M. Petty; J. Tsibouklis; M. C. Petty; W. J. Feast

doi:10.1080/00150199308211445

A TGS/70:30 VDF:RTrFE copolymer composite: Thin film formation and pyroelectric properties

M. Petty, J. Tsibouklis, M. C. Petty, W. J. Feast

Institute of Life Sciences and Healthcare

Durham University

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

Abstract

Thin pyroelectric composite films have been fabricated in which both phases are electroactive. Triglycine sulphate crystals, grown by freezing an aqueous solution at various rates and freeze-drying the resultant solid mass, were mixed (10% w/w) with a solution of 70:30 vinylidene fluoride:trifluoroethylene copolymer in butanone and films were produced by spin-coating. The best material possessed a pyroelectric coefficient of (60 ± 2) μCrn -2 K 1 and a figure of merit (pyroelectric coefficient/V (relative permittivity x dielectric loss)) of 150 μ-Cm-2- K some 18% and 35% larger, respectively, than the corresponding values for the copolymer alone.

Original language	English
Pages (from-to)	267-278
Number of pages	12
Journal	Ferroelectrics
Volume	150
Issue number	1
DOIs	https://doi.org/10.1080/00150199308211445
Publication status	Published - 1 Jan 1993

Keywords

70.30 VD F: TrFE copolymer
composite
pyroelectricity
TGS

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title = "A TGS/70:30 VDF:RTrFE copolymer composite: Thin film formation and pyroelectric properties",

abstract = "Thin pyroelectric composite films have been fabricated in which both phases are electroactive. Triglycine sulphate crystals, grown by freezing an aqueous solution at various rates and freeze-drying the resultant solid mass, were mixed (10\% w/w) with a solution of 70:30 vinylidene fluoride:trifluoroethylene copolymer in butanone and films were produced by spin-coating. The best material possessed a pyroelectric coefficient of (60 ± 2) μCrn -2 K 1 and a figure of merit (pyroelectric coefficient/V (relative permittivity x dielectric loss)) of 150 μ-Cm-2- K some 18\% and 35\% larger, respectively, than the corresponding values for the copolymer alone.",

keywords = "70.30 VD F: TrFE copolymer, composite, pyroelectricity, TGS",

author = "M. Petty and J. Tsibouklis and Petty, \{M. C.\} and Feast, \{W. J.\}",

year = "1993",

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T1 - A TGS/70:30 VDF:RTrFE copolymer composite: Thin film formation and pyroelectric properties

AU - Petty, M.

AU - Tsibouklis, J.

AU - Petty, M. C.

AU - Feast, W. J.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - Thin pyroelectric composite films have been fabricated in which both phases are electroactive. Triglycine sulphate crystals, grown by freezing an aqueous solution at various rates and freeze-drying the resultant solid mass, were mixed (10% w/w) with a solution of 70:30 vinylidene fluoride:trifluoroethylene copolymer in butanone and films were produced by spin-coating. The best material possessed a pyroelectric coefficient of (60 ± 2) μCrn -2 K 1 and a figure of merit (pyroelectric coefficient/V (relative permittivity x dielectric loss)) of 150 μ-Cm-2- K some 18% and 35% larger, respectively, than the corresponding values for the copolymer alone.

AB - Thin pyroelectric composite films have been fabricated in which both phases are electroactive. Triglycine sulphate crystals, grown by freezing an aqueous solution at various rates and freeze-drying the resultant solid mass, were mixed (10% w/w) with a solution of 70:30 vinylidene fluoride:trifluoroethylene copolymer in butanone and films were produced by spin-coating. The best material possessed a pyroelectric coefficient of (60 ± 2) μCrn -2 K 1 and a figure of merit (pyroelectric coefficient/V (relative permittivity x dielectric loss)) of 150 μ-Cm-2- K some 18% and 35% larger, respectively, than the corresponding values for the copolymer alone.

KW - 70.30 VD F: TrFE copolymer

KW - composite

KW - pyroelectricity

KW - TGS

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M3 - Article

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JO - Ferroelectrics

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IS - 1

ER -

A TGS/70:30 VDF:RTrFE copolymer composite: Thin film formation and pyroelectric properties

Abstract

Keywords

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