Photoinduced phase transformation in polythiophene

N. Hosaka, H. Tachibana, N. Shiga, M. Matsumoto, Y. Tokura

研究成果: Article査読

51 被引用数 (Scopus)

抄録

The thermally restorable photoswitching between the spectroscopically distinct two phases has been observed for thin films of poly(3-alkylthiophene) with regioregular alkyl sidegroups. The primary process of the photoinduced phase transition is completed within a duration of the exciting laser pulse (5 ns), in which photogenerated electron-hole pairs on the polymer backbone with the density above a critical value appear to trigger a self-activated process for the phase conversion. Such a fast photoswitching of the electronic and/or structural state may be applied as well to many other conjugated polymers with optoelectronic functionality.

本文言語English
ページ(範囲)1672-1675
ページ数4
ジャーナルPhysical review letters
82
8
DOI
出版ステータスPublished - 1999
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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