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

研究成果: Article査読

9 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)L859-L861
ジャーナルJapanese Journal of Applied Physics, Part 2: Letters
43
7 A
DOI
出版ステータスPublished - 2004 7月 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(その他)
  • 物理学および天文学(全般)

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