Nanoporous anodic alumina-based iontronics: fundamentals and applications

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dc.contributor.authorWang, J.
dc.contributor.authorVu, K.N.
dc.contributor.authorAbell, A.D.
dc.contributor.authorSantos, A.
dc.contributor.authorLaw, C.S.
dc.date.issued2023
dc.descriptionFirst published 09 June 2023
dc.description.abstractSynthetic iontronic systems harness ions as elementary carriers to perform functions that mimic those of biological systems; such as information transduction, sensing, and energy generation. The underlying principle of synthetic iontronics is to control the concentration, depletion, flow, and spatial and temporal distribution of ions when these flow along engineered nanochannels. Synthetic iontronic materials enable unique forms of ion transport phenomena such as rectification and switching, which resemble those of solid-state electronics. Nanoporous anodic alumina (NAA) is a versatile material with tailorable structural and chemical properties that provides an ideal platform for developing a range of iontronic devices. NAA membranes exhibit both intrinsic and extrinsic ionic rectification properties, where the former has recently been associated with the presence of its anodic oxide barrier oxide layer at the bottom tips of its nanopores, and the latter can be achived by engineering its structure and through surface chemistry modifications. This review provides a comprehensive overview of NAA as an iontronic platform material, from its intrinsic and extrinsic properties to proof-of-concept demonstrations of NAAbased iontronic systems for applications such as ionic diodes, bio- and chemical sensing, and osmotic energy generation.
dc.description.statementofresponsibilityJuan Wang, Khanh Nhien Vu, Andrew D. Abell, Abel Santos aand Cheryl Suwen Law
dc.identifier.citationJournal of Materials Chemistry C, 2023; 11(27):9051-9081
dc.identifier.doi10.1039/d3tc01735d
dc.identifier.issn2050-7526
dc.identifier.issn2050-7534
dc.identifier.orcidVu, K.N. [0000-0001-8150-7409]
dc.identifier.orcidAbell, A.D. [0000-0002-0604-2629]
dc.identifier.orcidSantos, A. [0000-0002-5081-5684]
dc.identifier.orcidLaw, C.S. [0000-0002-3276-8052]
dc.identifier.urihttps://hdl.handle.net/2440/138843
dc.language.isoen
dc.publisherRoyal Society of Chemistry (RSC)
dc.relation.granthttp://purl.org/au-research/grants/arc/DP200102614
dc.relation.granthttp://purl.org/au-research/grants/arc/DP220102857
dc.rights© The Royal Society of Chemistry 2023
dc.source.urihttps://doi.org/10.1039/d3tc01735d
dc.titleNanoporous anodic alumina-based iontronics: fundamentals and applications
dc.typeJournal article
pubs.publication-statusPublished

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