High field-effect mobility in an organic thin-film transistor with a solid-state polymerized polydiacetylene film as an active layer

Jun Ichi Nishide, Takahito Oyamada, Seiji Akiyama, Hiroyuki Sasabe, Chihaya Adachi

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The field-effect mobility in a PDA-polydiacetylene film by controlling the substrate temperature was investigated. The thin-film morphologies of a diacetylene monomer was controlled by changing the substrate temperature during monomer deposition, to obtain high field-effect mobility. The photopolymerized PDA thin film showed typical FET characteristics and physical migration of the Au deposition mat have reduced the contact resistance. The FET characteristics was improved by changing the substrate temperature during the deposition of the PDA monomers. The surface morphologies of the polydiacetylene films at each temperature was also investigated by atomic force microscopy. The Photopolymerized PDA films showed various morphologies composed of both small crystalline particles and domains. It was observed that polydiacetylenes possess an intrinsically high potential for high carrier mobility.

Original languageEnglish
Pages (from-to)3120-3124
Number of pages5
JournalAdvanced Materials
Volume18
Issue number23
DOIs
Publication statusPublished - Dec 4 2006

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Thin film transistors
Monomers
Field effect transistors
Substrates
Thin films
Temperature
Carrier mobility
Contact resistance
Surface morphology
Atomic force microscopy
Crystalline materials
polydiacetylene

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

High field-effect mobility in an organic thin-film transistor with a solid-state polymerized polydiacetylene film as an active layer. / Nishide, Jun Ichi; Oyamada, Takahito; Akiyama, Seiji; Sasabe, Hiroyuki; Adachi, Chihaya.

In: Advanced Materials, Vol. 18, No. 23, 04.12.2006, p. 3120-3124.

Research output: Contribution to journalArticle

Nishide, Jun Ichi ; Oyamada, Takahito ; Akiyama, Seiji ; Sasabe, Hiroyuki ; Adachi, Chihaya. / High field-effect mobility in an organic thin-film transistor with a solid-state polymerized polydiacetylene film as an active layer. In: Advanced Materials. 2006 ; Vol. 18, No. 23. pp. 3120-3124.
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