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印刷的银色欧米接触器,用于高流动性的有机薄膜晶体管.

Yiliang Wu¹, Yuning Li, Beng S Ong

¹Materials Design & Integration Laboratory, Xerox Research Centre of Canada, Mississauga, Ontario.

Journal of the American Chemical Society

|March 30, 2006

概括

油酸稳定的银纳米粒子通过导电剂使高性能有机薄膜晶体管 (OTFT) 成为可能. 这种方法克服了工作功能不匹配,以改善设备特性.

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科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
有机电子有机电子

背景情况:

有机薄膜晶体管 (OTFT) 对于灵活的电子产品至关重要.
由于电极半导体的工作功能不匹配,在OTFT中实现高效的电荷注入具有挑战性.
银纳米粒子为导电电极提供了潜力,但它们的表面化学影响性能.

研究的目的:

研究油酸稳定银纳米颗粒对OTFT性能的影响.
了解改善电极半导体接触背后的机制.
将性能与其他银电极制造方法进行比较.

主要方法:

易于合成油酸稳定银纳米粒子.
使用这些银纳米粒子作为源/排水电极制造OTFT.
银纳米粒子电极的化.
场效应特征和设备性能的表征.

主要成果:

油酸稳定的银纳米粒子,经化后,形成了高导电极.
使用这些电极制造的OTFT表现出了出色的场效特征.
通过油酸衍生物对聚二烯半导体接口进行导电注,使接触成为可能.
性能优于使用真空沉积或烯胺稳定银纳米粒子的OTFT.

结论:

油酸稳定银纳米粒子是制造高性能OTFT电极的有效方法.
欧姆接触的形成是通过在接口上的导电兴奋剂来促进的.
这种方法提供了一种可行的替代方案,以克服OTFT中的工作功能不匹配.

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