Gelatin Hydrogel-Based Organic Electrochemical Transistors and Their Integrated Logic Circuits

  • Young Jin Jo
  • , Ki Yoon Kwon
  • , Zia Ullah Khan
  • , Xavier Crispin
  • , Tae Il Kim

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

We suggest gelatin hydrogel as an electrolyte and demonstrate organic electrochemical transistors (OECTs) based on a sheet of gelatin. We also modulate electrical characteristics of the OECT with respect to pH condition of the gelatin hydrogel from acid to base and analyze its characteristics based on the electrochemical theory. Moreover, we extend the gelatin-based OECT to electrochemical logic circuits, for example, NOT, NOR, and NAND gates.

Original languageEnglish
Pages (from-to)39083-39090
Number of pages8
JournalACS Applied Materials and Interfaces
Volume10
Issue number45
DOIs
StatePublished - 14 Nov 2018

Keywords

  • gelatin hydrogel
  • logic circuit
  • organic electrochemical transistor
  • PEDOT:PSS
  • pH modulation

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