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首页> 外文期刊>Journal of industrial and engineering chemistry >Spray coating of electrochemically exfoliated graphene/conducting polymer hybrid electrode for organic field effect transistor
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Spray coating of electrochemically exfoliated graphene/conducting polymer hybrid electrode for organic field effect transistor

机译：用于有机场效应晶体管的电化学输出石墨烯/电导聚合物混合电极的喷涂

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摘要

We report the fabrication of organic field-effect transistors (OFETs) via spray coating of electrochemically exfoliated graphene (EEG) and conducting polymer hybrid as electrodes. To reduce the roughness and sheet resistance of the EEG electrodes, subsequent coating of conducting polymer (poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS)) and acid treatment was performed. After that, active channel layer was developed by spin coating of semiconducting poly(3-hexylthiophene) on the hybrid electrodes to define the bottom gate bottom contact configuration. The OFET devices with the EEG/PEDOT:PSS hybrid electrodes showed a reasonable electrical performances (field effect mobility = 0.15 cm(2) V-1 s(-1), on/off current ratio = 10(2), and threshold voltage = -1.57 V). Furthermore, the flexible OFET devices based on the Polydimethlsiloxane (PDMS) substrate and ion gel dielectric layer exhibited higher electrical performances (field effect mobility = 6.32 cm(2) V-1 s(-1), on/off current ratio = 10(3), and threshold voltage = -1.06 V) and excellent electrical stability until 1000 cycles of bending test, which means that the hybrid electrode is applicable to various organic electronic devices, such as flexible OFETs, supercapacitors, organic sensors, and actuators. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：我们通过喷涂电化学剥离的石墨烯（EEG）和作为电极进行聚合物杂合体的喷涂来报告有机场效应晶体管（OFET）的制造。为了降低EEG电极的粗糙度和薄层电阻，进行导电聚合物的后续涂层（聚（3,4-亚乙二醇苯噻吩）-poly（苯乙烯磺酸盐）（PEDOT）（PEDOT：PSS））和酸处理。之后，通过在混合电极上的半导体聚（3-己基噻吩）的旋涂来开发有源通道层，以限定底部栅极底部接触配置。具有EEG / PEGOT的OFET器件：PSS混合电极显示出合理的电气性能（场效期迁移率= 0.15cm（2）V-1 S（-1），开/关电流比率= 10（2），以及阈值电压= -1.57 v）。此外，基于聚二甲氧硅氧烷（PDMS）衬底和离子凝胶介电层的柔性器件表现出较高的电气性能（场效应迁移率= 6.32cm（2）V-1S（-1），ON / OFF电流= 10（ 3）和阈值电压= -1.06 V）和优异的电稳定性，直到1000个弯曲试验循环，这意味着混合电极适用于各种有机电子器件，例如柔性刷，超级电容器，有机传感器和致动器。 （c）2018年韩国工程和工程化学学会。 elsevier b.v出版。保留所有权利。

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