Piezoelectricity in polyacrylonitrile

H. Ueda; S. H. Carr

doi:10.1295/polymj.16.661

Piezoelectricity in polyacrylonitrile

H. Ueda, S. H. Carr

Materials Science and Engineering

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

84 Scopus citations

Abstract

The piezoelectric and related properties in ion-doped (NH4NO3, NaNO3) and undoped films of polyacrylonitrile have been measured as a function of temperature. The piezoelectric constants of both ion-doped and undoped films reach a maximum around 80°C and thereafter decrease markedly with temperature. At about this same temperature, a maximum of thermally stimulated discharge current (TSDC) is also observed with both ion-doped and undoped films. These two effects are thought to have a common origin: The randomization of nitrile dipoles in ordered regions. The piezoelectric constant of pre-stretched films is higher than that for unstretched polyacrylonitrile.

Original language	English (US)
Pages (from-to)	661-667
Number of pages	7
Journal	Polymer Journal
Volume	16
Issue number	9
DOIs	https://doi.org/10.1295/polymj.16.661
State	Published - Sep 1984

Keywords

Dc electric conductivity
Ion-doped (nh4n03, nan03) film
Piezoelectricity
Polyacrylonitrile
Stretched film
Thermally stimulated discharge current

ASJC Scopus subject areas

Polymers and Plastics
Materials Chemistry

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10.1295/polymj.16.661

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abstract = "The piezoelectric and related properties in ion-doped (NH4NO3, NaNO3) and undoped films of polyacrylonitrile have been measured as a function of temperature. The piezoelectric constants of both ion-doped and undoped films reach a maximum around 80°C and thereafter decrease markedly with temperature. At about this same temperature, a maximum of thermally stimulated discharge current (TSDC) is also observed with both ion-doped and undoped films. These two effects are thought to have a common origin: The randomization of nitrile dipoles in ordered regions. The piezoelectric constant of pre-stretched films is higher than that for unstretched polyacrylonitrile.",

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AU - Carr, S. H.

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AB - The piezoelectric and related properties in ion-doped (NH4NO3, NaNO3) and undoped films of polyacrylonitrile have been measured as a function of temperature. The piezoelectric constants of both ion-doped and undoped films reach a maximum around 80°C and thereafter decrease markedly with temperature. At about this same temperature, a maximum of thermally stimulated discharge current (TSDC) is also observed with both ion-doped and undoped films. These two effects are thought to have a common origin: The randomization of nitrile dipoles in ordered regions. The piezoelectric constant of pre-stretched films is higher than that for unstretched polyacrylonitrile.

KW - Dc electric conductivity

KW - Ion-doped (nh4n03, nan03) film

KW - Piezoelectricity

KW - Polyacrylonitrile

KW - Stretched film

KW - Thermally stimulated discharge current

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Piezoelectricity in polyacrylonitrile

Abstract

Keywords

ASJC Scopus subject areas

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