Pyroelectricity in polyurea thin film with oligothiophene segments in the main chain prepared by vapor deposition polymerization

Hitoshi Muguruma, Masatoshi Ishikawa, Jumpei Nakada, Shu Hotta, Yoshikazu Takahashi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A new polyurea thin film with oligothiophene segments in the main chain was fabricated in the form of a thin film by vapor deposition polymerization (VDP). The film was prepared by the reaction between 5,5‴-bis(ammomethyl)-2, 2′:5′,2Prime;:5″,2‴-quaterthiophene (BAQ) and 4,4′-diphenylinethane diisocyanate (MDI). Spectroscopic data indicate that the reaction occurs successfully and that the resulting thin film is orientated by corona poling. Because of the high crystallinity of the oligothiophene backbone, the film shows a high and stable pyroelectricity (26-220 μC/m 2·K) at 40-150°C compared with other aromatic polyurea films prepared by VDP and conventional bulk polymer such as polyvinylidene fluoride.

Original languageEnglish
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume43
Issue number7 A
DOIs
Publication statusPublished - 2004 Jul 1

Fingerprint

Pyroelectricity
pyroelectricity
Vapor deposition
polymerization
Polymerization
vapor deposition
Thin films
thin films
diisocyanates
vinylidene
coronas
fluorides
crystallinity
polymers
Polymers

Keywords

  • Oilgothiophene
  • Oriented thin film
  • Polyurea
  • Pyroelectricity
  • Vapor deposition polymerization

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Pyroelectricity in polyurea thin film with oligothiophene segments in the main chain prepared by vapor deposition polymerization. / Muguruma, Hitoshi; Ishikawa, Masatoshi; Nakada, Jumpei; Hotta, Shu; Takahashi, Yoshikazu.

In: Japanese Journal of Applied Physics, Part 2: Letters, Vol. 43, No. 7 A, 01.07.2004.

Research output: Contribution to journalArticle

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AU - Takahashi, Yoshikazu

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AB - A new polyurea thin film with oligothiophene segments in the main chain was fabricated in the form of a thin film by vapor deposition polymerization (VDP). The film was prepared by the reaction between 5,5‴-bis(ammomethyl)-2, 2′:5′,2Prime;:5″,2‴-quaterthiophene (BAQ) and 4,4′-diphenylinethane diisocyanate (MDI). Spectroscopic data indicate that the reaction occurs successfully and that the resulting thin film is orientated by corona poling. Because of the high crystallinity of the oligothiophene backbone, the film shows a high and stable pyroelectricity (26-220 μC/m 2·K) at 40-150°C compared with other aromatic polyurea films prepared by VDP and conventional bulk polymer such as polyvinylidene fluoride.

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