Logic gates with ion transistors

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Electronic logic gates are the basic building blocks of every computing and micro-controlling system and typically require the integration of several switching elements. Ion circuits are much slower than their electronic counterpart; yet combining chemistry or bio chemistry with digital aspects is an intriguing concept. Here we demonstrate ion-XOR and ion–OR gates with two electrochemical cells without pre-ion separation. The cells were modified to include a third, permeable and conductive mid electrode (the gate), which was placed between the anode and cathode. Key to our demonstration is the use of small biasing gate power with respect to the circuit's power output. The effect is reversible and a demonstration of self-powered ion circuitry.

Original languageEnglish (US)
Pages (from-to)138-143
Number of pages6
JournalThin Solid Films
StatePublished - Sep 30 2017

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry


  • Electrically controlled batteries
  • Electrochemical cells
  • Electrolyte potential barrier
  • Ion gates
  • Ion logic gates


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