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Controlling the Neuromorphic Behavior of Organic Electrochemical Transistors by Blending Mixed and Ion Conductors
ACS Applied Electronic Materials ( IF 4.7 ) Pub Date : 2020-06-15 , DOI: 10.1021/acsaelm.0c00203
Shunsuke Yamamoto 1, 2 , George G. Malliaras 1
Affiliation  

We examine the neuromorphic behavior of organic electrochemical transistors (OECTs) based on polymer blends of a mixed conductor (PEDOT:PSS) and an ion conductor (PSSNa). We show that the addition of an ionic conductor into PEDOT:PSS decreases the information retention time in paired-pulse depression (PPD) experiments and speeds up the response in dynamic filtering experiments. Detailed studies of transient properties demonstrate that the relevant time scales for the neuromorphic response are determined by an ion injection in and an extraction out of the film. These results bring to the forefront OECTs as devices with neuromorphic properties that are readily engineered.

中文翻译:

通过混合和离子导体混合来控制有机电化学晶体管的神经形态行为

我们研究了基于混合导体(PEDOT:PSS)和离子导体(PSSNa)的聚合物共混物的有机电化学晶体管(OECT)的神经形态行为。我们表明,将离子导体添加到PEDOT:PSS中可减少成对脉冲抑制(PPD)实验中的信息保留时间,并加快动态过滤实验中的响应速度。对瞬态特性的详细研究表明,神经形态反应的相关时间尺度是通过离子注入和提取膜来确定的。这些结果使OECTs成为具有易于设计的具有神经形态特性的设备。
更新日期:2020-07-28
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