Localization of Ion Concentration Gradients for Logic Operation

Localization of Ion Concentration Gradients for Logic Operation

Adjustment of the environmental acidity is a powerful method for fine-tuning the outcome of many chemical processes. Numerous strategies have been developed for the modification of pH in bulk as well as locally. Electrochemical and photochemical processes provide a powerful approach for on-demand ge...

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Bibliographic Details
Published in:Frontiers in chemistry Vol. 7; p. 419
Main Authors: Ryzhkov, Nikolay V, Nesterov, Pavel, Mamchik, Natalia A, Yurchenko, Stanislav O, Skorb, Ekaterina V
Format: Journal Article
Language:English
Published: Switzerland Frontiers Media S.A 06-06-2019
Subjects:
Chemistry
interface
iontronics
logic gates
pH-gradient
polyelectrolyte multilayers
pH-gradient
logic gates
iontronics
polyelectrolyte multilayers
interface
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Summary:Adjustment of the environmental acidity is a powerful method for fine-tuning the outcome of many chemical processes. Numerous strategies have been developed for the modification of pH in bulk as well as locally. Electrochemical and photochemical processes provide a powerful approach for on-demand generation of ion concentration gradients locally at solid-liquid interfaces. Spatially organized in individual way electrodes provide a particular pattern of proton distribution in solution. It opens perspectives to iontronics which is a bioinspired approach to signaling, information processing, and storing by spatial and temporal distribution of ions. We prove here that soft layers allow to control of ion mobility over the surface as well as processes of self-organization are closely related to change in entropy. In this work, we summarize the achievements and discuss perspectives of ion gradients in solution for information processing.
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Reviewed by: Carlos D. S. Brites, University of Aveiro, Portugal; Ryuji Kawano, Tokyo University of Agriculture and Technology, Japan
Edited by: Luís D. Carlos, University of Aveiro, Portugal
This article was submitted to Electrochemistry, a section of the journal Frontiers in Chemistry
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2019.00419