低压有机场效应晶体管和逆变器由超薄交联聚合物作为门介电材料启用
Myung-Han Yoon1, He Yan, Antonio Facchetti
1Department of Chemistry and the Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois, 60208, USA.
Journal of the American Chemical Society
|July 21, 2005
概括
研究人员开发了新的超薄聚合物混合介电材料,用于高性能有机薄膜晶体管 (OTFT). 这些材料使灵活的电子设备能够高效,低压运行和解决方案处理.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 聚合物化学 聚合物化学
背景情况:
- 高性能有机薄膜晶体管 (OTFT) 需要先进的门介电.
- 关键要求包括优良的绝缘,低压运行和解决方案可加工性.
- 机械灵活性和与各种材料的兼容性对于设备应用至关重要.
研究的目的:
- 开发用于OTFT的新型,可回旋涂层聚合物混合介电剂.
- 为了实现超薄 (<20 nm) 介电材料,具有卓越的绝缘和电容性质.
- 为了实现低压和灵活的OTFT制造.
主要方法:
- 通过自旋涂层制造交联聚合物混合介电材料.
- 介电性质的表征,包括泄漏电流和电容.
- 在OTFT设备和互补逆变器中集成介电材料.
主要成果:
- 超薄 (<20nm) 聚合物混合过电材料具有优良的绝缘性能 (约. 10(-8) Acm(-2) 泄漏情况).
- 高门电容 (高达大约. 300 nF cm(-2)) 允许低压工作.
- 在大面积 (大约) 上展示了统一的介电层. 150厘米(2)) 具有良好的附着性和图案设计能力.
- 在2V工作的互补逆变器的制造.
结论:
- 开发的聚合物混合介电材料符合高性能OTFT的严格要求.
- 这些材料有助于高效,低压和溶液加工的柔性电子.
- 新型介电材料对先进的有机电子应用具有显著的前景.
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