Microscale Ionic Diodes: An Overview

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

doi:10.1002/elan.202060614

Microscale Ionic Diodes: An Overview

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

Research output: Contribution to journal › Review article › peer-review

21 Citations (SciVal)

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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 language	English
Pages (from-to)	1398-1418
Number of pages	21
Journal	Electroanalysis
Volume	33
Issue number	6
Early online date	9 Mar 2021
DOIs	https://doi.org/10.1002/elan.202060614
Publication status	Published - 30 Jun 2021

Bibliographical note

Funding Information:
F.M. is grateful for support from the Leverhulme Foundation (RPG-2014-308: ?New Materials for Ionic Diodes and Ionic Photodiodes?). A.K.T. thanks the Centre for Sustainable Chemical Technologies (CSCT) and the Engineering and Physical Sciences Research Council (EPSRC) for support. K.M. acknowledges financial support from Provincie Gelderland. M.A.B. acknowledges the EPSRC for funding (Standard Research Studentship, EP/N509498/1). L.T. and O.A.A. acknowledge the financial support of the National Research Foundation, South Africa and the Centre for Nanomaterials Science Research, University of Johannesburg. This work was supported by the Engineering and Physical Sciences Research Council EP/L016354/1.

Publisher Copyright:
© 2021 Wiley-VCH GmbH

Keywords

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

ASJC Scopus subject areas

Analytical Chemistry
Electrochemistry

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10.1002/elan.202060614Licence: CC BY

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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.",

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Microscale Ionic Diodes: An Overview

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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