Poly(p-phenylenevinylene)-based field-effect transistors with platinum source-drain electrodes

Hiroshi Kayashima, Takeshi Yasuda, Katsuhiko Fujita, Tetsuo Tsutsui

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Organic field-effect transistors (FETs) have been fabricated by using poly(p-phenylenevinylene) (PPV) films prepared from a water soluble precursor polymer and p-channel FET conduction was obtained by using platinum source-drain electrodes. When the conversion temperatures for preparing PPV films changed between 180 and 280 °C, the field-effect hole mobilities changed between 4.3 × 10-4 and 8.4 × 10-6 cm2 V -1 s-1. The highest field-effect hole mobility was seen on the PPV thermally converted at 180 °C. The decreases in field-effect mobilities in the PPV films with further extended average π-conjugation length converted at higher temperatures were ascribed to morphological defects owing to crystallization.

Original languageEnglish
Article number010
Pages (from-to)1646-1648
Number of pages3
JournalJournal of Physics D: Applied Physics
Volume40
Issue number6
DOIs
Publication statusPublished - Mar 21 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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