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Electrochemical mechanism of ion current rectification of polyelectrolyte gel diodes
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.
2014
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号5期号:-页码:4162
摘要Polyelectrolyte 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.
部门归属[Yamamoto, Tetsuya
关键词Multiscale Physical Model Water Electrolyzer Transient Analysis Bipolar Membranes Electric-fields Generation Transistors Transport Nanopores Collapse
学科领域Physics
资助者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] ; 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] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009]
DOI10.1038/ncomms5162
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收录类别SCI
语种英语
资助者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] ; 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] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009] ; Chinese Central Government in the program of "Thousand talents''; 111 project [B14009]
WOS记录号WOS:000338838500018
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15747
专题理论物理所SCI论文
通讯作者Yamamoto, T (reprint author), Beihang Univ, Ctr Soft Matter Phys & its Applicat, Sch Chem & Environm, Xueyuan Rd 37, Beijing 100191, Peoples R China.
推荐引用方式
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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