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首页> 外文期刊>ACS applied materials & interfaces >Universal Spray-Deposition Process for Scalable, High-Performance, and Stable Organic Electrochemical Transistors
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Universal Spray-Deposition Process for Scalable, High-Performance, and Stable Organic Electrochemical Transistors

机译：通用喷涂沉积工艺可扩展，高性能和稳定的有机电化学晶体管

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摘要

Organic electrochemical transistors (OECTs) with high transconductance and good operating stability in an aqueous environment are receiving substantial attention as promising ion-to-electron transducers for bioelectronics. However, to date, in most of the reported OECTs, the fabrication procedures have been devoted to spin-coating processes that may nullify the advantages of large-area and scalable manufacturing. In addition, conventional microfabrication and photolithography techniques are complicated or incompatible with various nonplanar flexible and curved substrates. Herein, we demonstrate a facile patterning method via spray deposition to fabricate ionic-liquid-doped poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)-based OECTs, with a high peak transconductance of 12.9 mS and high device stability over 4000 switching cycles. More importantly, this facile technique makes it possible to fabricate high-performance OECTs on versatile substrates with different textures and form factors such as thin permeable membranes, flexible plastic sheets, hydrophobic elastomers, and rough textiles. Overall, the results highlight the spray-deposition technique as a convenient route to prepare high-performing OECTs and will contribute to the translation of OECTs into real-world applications.
机译：在含水环境中具有高跨导和良好的操作稳定性的有机电化学晶体管（OET）正在接受大量关注，作为用于生物电体的离子对电子传感器。然而，迄今为止，在大多数报告的OET中，制造程序已经致力于旋转涂覆工艺，这些过程可以使大面积和可扩展的制造的优点无效。另外，传统的微制造和光刻技术与各种非平面柔性和弯曲的基板复杂或不相容。在此，我们通过喷雾沉积证明了一种容易图案化方法，以制备离子液 - 掺杂的聚（3,4-亚乙二氧基噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）的OET，具有12.9ms和高的高峰跨导设备稳定性超过4000个切换周期。更重要的是，这种容易技术使得可以在具有不同纹理的多功能衬底上制造高性能OET，以及诸如薄可渗透膜，柔性塑料片，疏水弹性体和粗糙纺织品等因素。总的来说，结果突出了喷涂技术作为准备高性能OET的便利途径，并将有助于OETS转化为现实世界的应用。

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