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高性能灵活的有机场效应晶体管与基于打印的纳米线

Liangkun Lu¹, Dazhi Wang^1,2,3, Changchang Pu¹

¹Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian, 116024 China.

Microsystems & nanoengineering

|June 16, 2023

概括

一种新的同轴聚焦电动力喷射 (CFEJ) 打印技术在柔性基板上创建了高度对齐的聚合物纳米线阵列. 这种方法可以为未来的应用提供高性能灵活的电子产品,包括有机场效应晶体管 (OFET).

科学领域:

材料科学材料科学材料科学
电子工程电子工程
纳米技术纳米技术

背景情况:

高性能灵活的电子产品需要在大面积基板上精确制造的组件.
创建聚合物纳米线阵列的现有方法经常与对齐,统一性和传输过程发生冲突,影响电气性能.

研究的目的:

介绍一种通用同轴聚焦电水力学喷射 (CFEJ) 打印技术,用于制造高度对齐的聚合物纳米线阵列.
为了证明CFEJ打印能够在没有转移的情况下直接在柔性基板上生产统一,精确的纳米线.
为了评估使用这种技术制造的有机场效应晶体管 (OFET) 的性能和统一性.

主要方法:

利用同轴聚焦电动力喷射 (CFEJ) 打印,在柔性基板上创建90nm直径的聚合物纳米线阵列.
作为模型聚合物半导体,采用了印达二烯-共-二甲 (IDT-BT) 和聚 (9,9-二氧化-共-二甲) (F8-BT).
通过2D-Grazing Incidence X-ray Diffraction (2D-GIXRD) 描述了纳米线内的分子排列.

主要成果:

使用CFEJ打印成功制造了5厘米2的聚合物纳米线阵列,尺寸变化最小.
观察到聚合物纳米线内主要是面对面的π叠加晶体排列,与薄膜不同.
在基于纳米线的OFET中实现了1.1cm2/V·s的高平均孔移动性,具有良好的设备均性.

结论:

CFEJ打印是一种可行的技术,用于批量制造和集成高性能,可扩展的聚合物纳米线OFET电路.
这种方法促进了有机聚合物半导体在大面积电子设备中的使用.
该技术为开发灵活显示器和可穿戴电子产品提供了一条新的途径.

关键词:

电气和电子工程电气和电子工程电子设备电子设备电子设备

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