Surface modification of organic-inorganic hybrid insulator for printable organic field-effect transistors

Mitsuru Watanabe, Koji Muro, Takashi Hamada, Toshiyuki Tamai, Araki Masuyama, Hiroyoshi Naito, Kimihiro Matsukawa*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

To improve the performance of organic field-effect transistors (OFETs) composed of poly(3-hexylthiophene) (P3HT) semiconductor and polymethylsilsesquioxane (PMSQ)-based insulator, surface modification of PMSQ insulator has been carried out. The modified PMSQ were synthesized by a sol-gel co-condensation of methyltrimethoxysilane and hydrophobic alkoxysilane. The thin films from these PMSQ had smooth and hydrophobic surface. Resulting OFET fabricated on the modified PMSQ insulator showed enhanced mobility. A clear relation could be seen between the mobility and the surface free energy of insulator.

Original languageEnglish
Pages (from-to)34-35
Number of pages2
JournalChemistry Letters
Volume38
Issue number1
DOIs
Publication statusPublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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