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The role of the polyelectrolyte composition in kinetic behaviour of organic memristive device
Microelectronic Engineering ( IF 2.3 ) Pub Date : 2021-02-18 , DOI: 10.1016/j.mee.2021.111527
Regina Burganova , Antonella Parisini , Salvatore Vantaggio , Roman Sajapin , Tatiana Berzina

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.



中文翻译:

聚电解质组合物在有机忆阻器件动力学行为中的作用

在本研究中,研究了基于聚苯胺/固体聚电解质异质结的电化学两末端有机忆阻器件(OMD)的动力学行为与用作电解质的固体聚电解质的掺杂水平的关系,以改善OMD性能。用水合锂盐和盐酸进行掺杂。我们已经表明,基于聚(环氧乙烷)的固体聚电解质的含量中掺杂剂盐浓度的降低使得可以将忆阻器件的响应时间增加数倍。建议使用一个简单的电物理模型来解释该设备在恒定的正负电压下工作期间的不对称行为。

更新日期:2021-02-21
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