单层
数码产品
晶体管
纳米技术
有机电子学
材料科学
电极
有机太阳能电池
柔性电子器件
自组装单层膜
光电子学
分子电子学
工作职能
化学
电气工程
电压
工程类
聚合物
图层(电子)
分子
有机化学
物理化学
复合材料
作者
Chaoran Zhang,Yangbiao Liu,Yian Tai,Andreas Terfort,Michael Zharnikov
标识
DOI:10.1021/acs.jpclett.4c00898
摘要
Control over specific interfaces in devices represents a key challenge for modern organic electronics and photovoltaics. Such control is frequently gained by the use of self-assembled monolayers (SAMs), which, by selection of a proper anchoring group, are generally discriminative with respect to different materials but are not selective between different areas of the same material. In particular, selective tailoring of the work function may be useful for different functional devices in a circuit. Here we demonstrate an approach for solving this problem, opening a way to function-selective electrostatic engineering of chemically identical areas, such as source and drain electrodes in a specific type of organic transistor and, more importantly, the electrodes in different types of organic devices, such as p- and n-channel transistors, located on the same circuitry board. The approach is based on the ultraviolet-light-promoted exchange reaction of SAMs on gold, a standard electrode material in organic electronics.
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