高可移动性的二维矿薄膜晶体管的基驱动颗粒工程
Aihui Liang1,2, Yao Gao2, Reza Asadpour3
1College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
Journal of the American Chemical Society
|September 13, 2021
概括
研究人员开发了一种用于二维 (2D) 化物矿的新配体设计,使得具有大粒度的晶圆尺度,原子平面膜成为可能. 这一突破显著提高了电子设备的充电载体运输.
科学领域:
- 材料科学
- 固态物理
- 有机电子
背景情况:
- 控制颗粒生长对于聚晶薄膜电子设备的电荷载体运输至关重要.
- 如溶剂工程和后处理等现有方法在生产大规模,具有优越性质的原子平面薄膜方面不足.
研究的目的:
- 在二维化矿中引入一种新型的 π 结合联体设计,以精确控制核和生长动力学.
- 为了实现晶圆尺度,原子平面薄膜具有异常大的粒度和增强的电荷载体移动性.
主要方法:
- 设计的 π 结合联体具有扩展的结合和增加的平面性.
- 研究了连接体设计对薄膜核密度和生长动力学的影响.
- 制造并描述了二维矿薄膜和场效应晶体管.
主要成果:
- 通过连接体设计,核密度下降了5个数量级.
- 成功生产了具有高度排序结构和大粒度的二维矿薄膜.
- 实现高性能场效晶体管,孔流动性高达10cm2V-1s-1,启/关比为~106,稳定性优异.
结论:
- 联联体设计方法有效控制二维化薄膜的生长.
- 增强的电荷传输归因于改善的晶体结构和大粒度.
- 该研究为二维半导体系统提供了明确的结构属性关系.
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