Journal
ANNUAL REVIEW OF ANALYTICAL CHEMISTRY, VOL 8
Volume 8, Issue -, Pages 441-462Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-anchem-071114-040202
Keywords
ion diode; ion transistor; aqueous circuit; information processing; ion-exchange membrane; bipolar membrane
Categories
Funding
- Nano . Material Technology Development Program through the National Research Foundation of Korea (NRF) - Ministry of Science, Information and Communication Technology and Future Planning of Korea (MSIP) [2011-0030268]
- NRF - MSIP [2012R1A2A1A03011289]
- Center for Multiscale Energy System [2012M3A6A7055873]
- Center for Integrated Smart Sensors - MSIP as Global Frontier Project [NRF-2011-0031866]
- National Research Foundation of Korea [2011-0031866, 2011-0030268, 2015R1A2A1A13001897] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Iontronics is an emerging technology based on sophisticated control of ions as signal carriers that bridges solid-state electronics and biological system. It is found in nature, e.g., information transduction and processing of brain in which neurons are dynamically polarized or depolarized by ion transport across cell membranes. It suggests the operating principle of aqueous circuits made of predesigned structures and functional materials that characteristically interact with ions of various charge, mobility, and affinity. Working in aqueous environments, iontronic devices offer profound implications for biocompatible or biodegradable logic circuits for sensing, ecofriendly monitoring, and brain-machine interfacing. Furthermore, iontronics based on multi-ionic carriers sheds light on futuristic biomimic information processing. In this review, we overview the historical achievements and the current state of iontronics with regard to theory, fabrication, integration, and applications, concluding with comments on where the technology may advance.
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