Iontronics is an artificial platform using ions or molecules as signal carriers in an aqueous environment and is inspired by biological systems and their operating principles. Applications of iontronics have been primarily developed to mimic the characteristics of biological systems or to form seamless biointerfaces for communication. This review provides a comprehensive description of such endeavors in iontronics over the recent decades, as well as demonstrations pertaining to biomimetic nonlinear behaviors and ionic chemical delivery devices. The research highlights and applications are discussed based on the types of charge-selective materials used and their underlying principles. As iontronics is still at the early stage of development and diversification, a brief overview of its historical aspects and origin is first provided, followed by theoretical discussions regarding each iontronic material and its related applications. Finally, the review is concluded with some perspectives regarding future developments of iontronics in relation to natural systems in living organisms.
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September 2022
Review Article|
September 07 2022
Iontronics: Aqueous ion-based engineering for bioinspired functionalities and applications

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Seok Hee Han
;
Seok Hee Han
(Conceptualization, Investigation, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Seoul National University
, Seoul 08826, South Korea
Search for other works by this author on:
Min-Ah Oh;
Min-Ah Oh
(Conceptualization, Investigation, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Seoul National University
, Seoul 08826, South Korea
Search for other works by this author on:
Taek Dong Chung
Taek Dong Chung
a)
(Conceptualization, Writing – original draft, Writing – review & editing)
1
Department of Chemistry, Seoul National University
, Seoul 08826, South Korea
2
Advanced Institute of Convergence Technology
, Suwon-Si, Gyeonggi-do 16229, South Korea
a)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
Seok Hee Han
1
Min-Ah Oh
1
Taek Dong Chung
1,2,a)
1
Department of Chemistry, Seoul National University
, Seoul 08826, South Korea
2
Advanced Institute of Convergence Technology
, Suwon-Si, Gyeonggi-do 16229, South Korea
a)Author to whom correspondence should be addressed: [email protected]
Chem. Phys. Rev. 3, 031302 (2022)
Article history
Received:
February 28 2022
Accepted:
August 02 2022
Citation
Seok Hee Han, Min-Ah Oh, Taek Dong Chung; Iontronics: Aqueous ion-based engineering for bioinspired functionalities and applications. Chem. Phys. Rev. 1 September 2022; 3 (3): 031302. https://doi.org/10.1063/5.0089822
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