The role of the polyelectrolyte composition in kinetic behaviour of organic memristive device

被引：3

作者：

Burganova, Regina ^{[1
]}

Parisini, Antonella ^{[1
]}

Vantaggio, Salvatore ^{[1
]}

Sajapin, Roman ^{[1
,2
]}

Berzina, Tatiana ^{[2
]}

机构：

[1] Univ Parma, Dept Math Phys & Comp Sci, Area Sci,7-A, I-43124 Parma, Italy

[2] CNR IMEM, Parco Area Sci 37A, I-43124 Parma, Italy

来源：

MICROELECTRONIC ENGINEERING | 2021年 / 239卷

关键词：

Organic memristive device; Solid polyelectrolyte; Redox transient; POLYANILINE; POLYMER; MICROELECTRODE; ELECTROLYTES; SYSTEMS;

D O I：

10.1016/j.mee.2021.111527

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In the present research the kinetic behaviour of an electrochemical two-terminal organic memristive device (OMD) based on polyaniline/solid polyelectrolyte heterojunction is investigated as a function of the doping level of a solid polyelectrolyte, used as an electrolytic medium, in order to improve the OMD performance. Doping was carried out with hydrated lithium salt and hydrochloric acid. We have shown that a decrease of the dopant salt concentration in the content of solid polyelectrolyte based on poly(ethylene oxide) makes it possible to increase the response time of the memristive device by several times. A simple electro-physical model for the explanation of the asymmetrical behaviour of the device during its operation at constant positive and negative voltages is suggested. This allows to provide a qualitative explanation of the difference in response time of devices fabricated using polyelectrolytes of different compositions.

引用

页数：8

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