Thermal stability of piezoelectric properties and infrared sensor performance of spin-coated polyurea thin films

Masahiro Morimoto; Yasuko Koshiba; Masahiro Misaki; Kenji Ishida

doi:10.7567/APEX.8.101501

Thermal stability of piezoelectric properties and infrared sensor performance of spin-coated polyurea thin films

Masahiro Morimoto, Yasuko Koshiba, Masahiro Misaki, Kenji Ishida

Electric and Electronic Engineering

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

16 Scopus citations

Abstract

We have investigated the temperature dependence of the piezoelectric coefficients and infrared sensor performance of spin-coated thin films of polyundecylurea (PUA11). The piezoelectric coefficients of the PUA11 films remained constant at temperatures above 180 °C and these films demonstrated thermal resistance superior to those of poly(vinylidene fluoride/trifluoroethylene) [P(VDF/TrFE)] films. The infrared sensor performance of the PUA11 films was measured after annealing at 125 °C for 500 h and was found to have retained 84- of its preannealing level. The thermal stability of the PUA11 films was higher than that of the P(VDF/TrFE) films; moreover, PUA11 is also expected to have superior electrothermal stability.

Original language	English
Article number	101501
Journal	Applied Physics Express
Volume	8
Issue number	10
DOIs	https://doi.org/10.7567/APEX.8.101501
State	Published - 2015/10/01

ASJC Scopus subject areas

General Engineering
General Physics and Astronomy

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title = "Thermal stability of piezoelectric properties and infrared sensor performance of spin-coated polyurea thin films",

abstract = "We have investigated the temperature dependence of the piezoelectric coefficients and infrared sensor performance of spin-coated thin films of polyundecylurea (PUA11). The piezoelectric coefficients of the PUA11 films remained constant at temperatures above 180 °C and these films demonstrated thermal resistance superior to those of poly(vinylidene fluoride/trifluoroethylene) [P(VDF/TrFE)] films. The infrared sensor performance of the PUA11 films was measured after annealing at 125 °C for 500 h and was found to have retained 84- of its preannealing level. The thermal stability of the PUA11 films was higher than that of the P(VDF/TrFE) films; moreover, PUA11 is also expected to have superior electrothermal stability.",

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AU - Morimoto, Masahiro

AU - Koshiba, Yasuko

AU - Misaki, Masahiro

AU - Ishida, Kenji

PY - 2015/10/1

Y1 - 2015/10/1

N2 - We have investigated the temperature dependence of the piezoelectric coefficients and infrared sensor performance of spin-coated thin films of polyundecylurea (PUA11). The piezoelectric coefficients of the PUA11 films remained constant at temperatures above 180 °C and these films demonstrated thermal resistance superior to those of poly(vinylidene fluoride/trifluoroethylene) [P(VDF/TrFE)] films. The infrared sensor performance of the PUA11 films was measured after annealing at 125 °C for 500 h and was found to have retained 84- of its preannealing level. The thermal stability of the PUA11 films was higher than that of the P(VDF/TrFE) films; moreover, PUA11 is also expected to have superior electrothermal stability.

AB - We have investigated the temperature dependence of the piezoelectric coefficients and infrared sensor performance of spin-coated thin films of polyundecylurea (PUA11). The piezoelectric coefficients of the PUA11 films remained constant at temperatures above 180 °C and these films demonstrated thermal resistance superior to those of poly(vinylidene fluoride/trifluoroethylene) [P(VDF/TrFE)] films. The infrared sensor performance of the PUA11 films was measured after annealing at 125 °C for 500 h and was found to have retained 84- of its preannealing level. The thermal stability of the PUA11 films was higher than that of the P(VDF/TrFE) films; moreover, PUA11 is also expected to have superior electrothermal stability.

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Thermal stability of piezoelectric properties and infrared sensor performance of spin-coated polyurea thin films

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