Ion-selective organic electrochemical transistors

Adv Mater. 2014 Jul 23;26(28):4803-7. doi: 10.1002/adma.201400731. Epub 2014 May 23.

Abstract

Ion-selective organic electrochemical transistors with sensitivity to potassium approaching 50 μA dec(-1) are demonstrated. The remarkable sensitivity arises from the use of high transconductance devices, where the conducting polymer is in direct contact with a reference gel electrolyte and integrated with an ion-selective membrane.

Keywords: bioelectronics; biosensors; ion-selective membrane; organic transistor; potassium.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biosensing Techniques / instrumentation*
  • Conductometry / instrumentation*
  • Equipment Design
  • Equipment Failure Analysis
  • Ions / analysis*
  • Ions / chemistry
  • Membranes, Artificial*
  • Organic Chemicals / chemistry
  • Polyvinyl Chloride / chemistry*
  • Potassium / analysis*
  • Potassium / chemistry
  • Transistors, Electronic*

Substances

  • Ions
  • Membranes, Artificial
  • Organic Chemicals
  • Polyvinyl Chloride
  • Potassium