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Yamamoto, T; Doi, M; Yamamoto, T (reprint author), Beihang Univ, Ctr Soft Matter Phys & its Applicat, Sch Chem & Environm, Xueyuan Rd 37, Beijing 100191, Peoples R China.
Electrochemical mechanism of ion current rectification of polyelectrolyte gel diodes
Source PublicationNATURE COMMUNICATIONS
Language英语
KeywordMultiscale Physical Model Water Electrolyzer Transient Analysis Bipolar Membranes Electric-fields Generation Transistors Transport Nanopores Collapse
AbstractPolyelectrolyte gel diodes that are double layers of two oppositely charged polyelectrolyte gels, sandwiched by two symmetric electrodes, are emergent ionic devices. These diodes are designed to rectify ion currents with a physical mechanism that is analogous to conventional semiconductor diodes-the asymmetry in the permeability of ions across the interfaces between the two oppositely charged gels. Here we show that polyelectrolyte gel diodes indeed rectify steady currents with a physical mechanism that is very different from conventional diodes by using a simple electrochemical model; electric currents are limited by electrochemical reactions that are driven by potential drops at electrodes and these potential drops markedly change with changing the direction of applied voltages due to the redistribution of non-reactive counterions, leading to rectified ion currents. This concept is relatively generic and thus may provide insight in the physics of analogous ionic and biomimetic systems that show electrochemical reactions.
2014
ISSN2041-1723
Volume5Issue:-Pages:4162
Subject AreaPhysics
DOI10.1038/ncomms5162
Indexed BySCI
Funding OrganizationChinese Central Government in the program of "Thousand talents''; 111 project [B14009] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15747
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYamamoto, T (reprint author), Beihang Univ, Ctr Soft Matter Phys & its Applicat, Sch Chem & Environm, Xueyuan Rd 37, Beijing 100191, Peoples R China.
Recommended Citation
GB/T 7714
Yamamoto, T,Doi, M,Yamamoto, T . Electrochemical mechanism of ion current rectification of polyelectrolyte gel diodes[J]. NATURE COMMUNICATIONS,2014,5(-):4162.
APA Yamamoto, T,Doi, M,&Yamamoto, T .(2014).Electrochemical mechanism of ion current rectification of polyelectrolyte gel diodes.NATURE COMMUNICATIONS,5(-),4162.
MLA Yamamoto, T,et al."Electrochemical mechanism of ion current rectification of polyelectrolyte gel diodes".NATURE COMMUNICATIONS 5.-(2014):4162.
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