在OFET中增强电荷载体移动性的分子设计概念:一篇评论
Yang Zhou1, Keke Zhang1, Zhaoyang Chen1
1Key Laboratory of Rubber-Plastics of Ministry of Education, Shandong Province (QUST), School of Polymer Science & Engineering, Qingdao University of Science & Technology, 53-Zhengzhou Road, Qingdao 266042, China.
Materials (Basel, Switzerland)
|October 28, 2023
概括
本综述探讨了高性能有机场效应晶体管 (OFET) 的分子设计. 它详细介绍了增强电荷运输流动性的策略,并讨论了n型和双极有机半导体的开发.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 半导体物理 半导体物理
背景情况:
- 有机场效应晶体管 (OFET) 在电子领域越来越重要.
- OFET的性能取决于电荷传输流动性,值电压和电流开/关比.
- 目前的研究主要集中在p型半导体上,对n型和双极材料的关注较少.
研究的目的:
- 为高性能有机半导体提供分子设计框架.
- 为了增强半导体层内和电极接口上的电荷载体移动性.
- 总结设计和转换有机半导体类型的方法.
主要方法:
- 审查扩展π结合和优化分子结构的策略.
- 分析方法以促进分子聚合和有序结构.
- 讨论分子轨道水平与电极工作功能的对齐,以实现高效的电荷注入.
主要成果:
- 分子设计显著影响半导体层内的电荷传输.
- 优化分子包装和减少分子间距离可以提高电荷的移动性.
- 通过边界分子轨道水平对齐来实现欧姆接触对于高性能至关重要.
结论:
- 概述了设计高性能有机半导体的理论框架.
- 该审查涉及OFET材料开发的挑战和趋势.
- 这项工作旨在通过改进材料设计来加快OFET应用的进步.
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