应变平衡有机半导体薄膜用于提高有机场效应晶体管的稳定性
Shujing Guo1, Zhongwu Wang1, Yining Ma1
1Key Laboratory of Organic Integrated Circuits, Ministry of Education, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Institute of Molecular Aggregation Science, Tianjin University, Tianjin 300072, China.
ACS applied materials & interfaces
|May 26, 2023
概括
晶体管中的有机半导体薄膜在应力下变得不稳定. 一个新的应变平衡策略稳定了这些薄膜,提高了晶体管的性能和耐用性.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 设备物理 设备物理
背景情况:
- 有机半导体 (OSC) 薄膜的应变诱导的不稳定性是有机场效应晶体管 (OFET) 的一个主要障碍.
- 在OSC/介电接口的电荷传输层容易因基板的内在拉力应变而脱水.
- 目前用于稳定OSC薄膜的解决方案有限.
研究的目的:
- 为稳定OSC电影制定一个通用和有效的应力平衡战略.
- 提高有机场效应晶体管 (OFET) 的强度和运行稳定性.
- 提供关于OSC电影中稳定聚合物状态的见解.
主要方法:
- 引入一个压力应变层,以抵消基板诱导的拉伸应变.
- 使用应变平衡策略制造有机异质连接膜.
- 修改OSC薄膜的总状态稳定性和设备性能的表征.
主要成果:
- 压力应变层有效地平衡了OSC薄膜中的拉力应变.
- 在有机半导体薄膜中达到高度稳定的聚合物状态.
- 使用应变平衡的异质连接膜制造的OFET显示出卓越的操作和储存稳定性.
结论:
- 开发的压力平衡策略是稳定OSC电影的新和通用方法.
- 这种方法显著提高了有机场效应晶体管的稳定性和可靠性.
- 这些发现为设计稳定的有机异质连接装置提供了宝贵的指导.
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