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Microscale Ionic Diodes: An Overview

  • Budi Riza Putra
  • , Luthando Tshwenya
  • , Mark A. Buckingham
  • , Jingyuan Chen
  • , Koichi Jeremiah Aoki
  • , Klaus Mathwig
  • , Omotayo A. Arotiba
  • , Abigail K. Thompson
  • , Zhongkai Li
  • , Frank Marken

Research output: Contribution to journalReview articlepeer-review

27 Citations (Scopus)

Abstract

Ionic rectifier membranes or devices generate uni-directional ion transport to convert an alternating current (AC) ion current input into stored energy or direct current (DC) in the form of ion/salt gradients. Electrochemical experiments 80 years ago were conducted on biological membrane rectifier systems, but today a plethora of artificial ionic rectifier types has been developed and electroanalytical tools are employed to explore mechanisms and performance. This overview focuses on microscale ionic rectifiers with a comparison to nano- and macroscale ionic rectifiers. The potential is surveyed for applications in electrochemical analysis, desalination, energy harvesting, electrochemical synthesis, and in selective ion extraction.

Original languageEnglish
Pages (from-to)1398-1418
Number of pages21
JournalElectroanalysis
Volume33
Issue number6
DOIs
Publication statusPublished - Jun 2021

Keywords

  • electrolytic devices
  • iontronics
  • lab-on-a-chip.
  • nanofluidics
  • voltammetry

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry

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