Solution-processed organic crystals for field-effect transistor arrays with smooth semiconductor/dielectric interface on paper substrates

Yun Li, Chuan Liu, Yong Xu, Takeo Minari, Peter Darmawan, Kazuhito Tsukagoshi

Research output: Contribution to journalArticlepeer-review

51 Citations (Scopus)

Abstract

Large surface roughness is a major obstacle for electronic systems fabricated on paper substrates. Here, a mixture solution of organic semiconductor and polymer dielectric was spin-coated on paper substrate with a patterned wettability. This spin-coating process produced organic crystals and a very smooth semiconductor/dielectric interface with a low trap density in well-confined patterns. Despite the large roughness of the paper substrate, the fabricated transistor arrays exhibited high performance with a field-effect mobility reaching 1.3 cm2/V s and an on/off ratio of 108. The presented results offer a simple fabrication method for the current rapidly developing technology of paper electronics.

Original languageEnglish
Pages (from-to)815-819
Number of pages5
JournalOrganic Electronics
Volume13
Issue number5
DOIs
Publication statusPublished - 2012 May
Externally publishedYes

Keywords

  • Organic field-effect transistor arrays
  • Paper electronics
  • Patterning
  • Small-molecule organic crystals
  • Solution-processed
  • Surface roughness reduction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Solution-processed organic crystals for field-effect transistor arrays with smooth semiconductor/dielectric interface on paper substrates'. Together they form a unique fingerprint.

Cite this