Complementary organic circuits using evaporated F16CuPc and inkjet printing of PQT

H. S. Tan, B. C. Wang, S. Kamath, J. Chua, M. Shojaei-Baghini, V. R. Rao, N. Mathews, S. G. Mhaisalkar

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Organic complementary inverters and ring oscillators are fabricated using a unique combination of inkjet printing and evaporation of organic semiconductors. p-Type poly (3, 3′-didodecylquaterthiophene) (PQT) is inkjet printed, after which n-type copper hexadecafluorophthalocyanine (F 16CuPc) is evaporated and patterned by shadow masking. A solution-processable bilayer gate dielectric with superior gate leakage characteristics and a simplified process stack is implemented. The inverters show a high noise margin, good gain characteristics, and a switching point close to Vdd /2. A five-stage ring oscillator is also demonstrated.

Original languageEnglish
Article number5594615
Pages (from-to)1311-1313
Number of pages3
JournalIEEE Electron Device Letters
Volume31
Issue number11
DOIs
Publication statusPublished - Nov 2010
Externally publishedYes

ASJC Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Keywords

  • Circuits
  • CMOS
  • inkjet
  • organic

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