Control of characteristics of nano-scale organic transistors by molecular functionality and the investigation of their electrical conduction mechanism

我们研究了利用有机材料的功能来控制纳米有机晶体管的特性，以实现纳米有机晶体管中清晰的器件操作。研究发现，纳米有机晶体管的电学特性在很大程度上取决于有机半导体的电子态，通过控制电极/半导体界面可以减小短沟道效应。我们还进行了有机晶体管的温度和频率特性测量以及接触电阻的数值模拟，以研究有机晶体管的工作机理。

We have studied the control of the characteristics of nano-scale organic transistors using the functionalities of organic materials to realize clear device operation in nano-scale organic transistors. It is found that the electrical characteristics of nano-scale organic transistors depend largely on the electronic states of organic semiconductors and short-channel effects can be reduced by controlling electrode/semiconductor interfaces. We have also performed the temperature and frequency dependence measurements and the numerical simulations of contact resistance to investigate the operation mechanism of organic transistors.