基于bis-5'-alkylthiophen-2'-yl-2,6-anthracene半导体的高性能,稳定的有机薄膜场效应晶体管
Hong Meng1, Fangping Sun, Marc B Goldfinger
1Central Research and Development, Experimental Station, E. I. DuPont Company, Wilmington, Delaware 19880-0328, USA. hong.meng@usa.dupont.com
Journal of the American Chemical Society
|February 24, 2005
概括
研究人员开发了新的有机半导体,以提高电性能和稳定性. 这些材料具有很高的移动性和开/关比,在长期储存和操作后保持性能.
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:
- 对于高性能,稳定的有机半导体的需求在先进的电子应用中不断增加.
- 现有的有机半导体材料经常面临环境稳定性和电效率方面的挑战.
研究的目的:
- 为了设计和合成新的bis-5'-alkylthiophen-2'yl-2,6-anthracene有机半导体.
- 评估这些新材料在薄膜场效应晶体管中的电性能和环境稳定性.
主要方法:
- 新型 bis-5'-alkylthiophen-2'yl-2,6-anthracene衍生物的化学合成.
- 薄膜场效应晶体管 (TFT) 的制造和表征,其中包含合成的半导体.
- 通过使用寿命和运行寿命测试来评估设备的稳定性.
主要成果:
- 在TFT中实现高电荷载体运动率高达0.5cm2/Vs.
- 观察到极好的开/关电流比超过107.
- 经过15个月的储存后,设备的稳定性显著,平均移动性为0.4cm2/Vs,开/关比为106.
- 在几千个运行周期中没有证实性能下降.
结论:
- 新型bis-5'-alkylthiophen-2'yl-2,6-anthracene有机半导体表现出优越的电性能和特殊的环境稳定性.
- 这些材料代表了下一代有机电子设备的有希望的候选者,这些设备需要高性能和长期的运行寿命.
- 这些发现有助于稳定和高效的有机半导体技术的发展.
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