Nano Science and Technology Institute
Nanotech 2014 Vol. 1
Nanotech 2014 Vol. 1
Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
Chapter 1: Graphene, Carbon Nano Structures & Devices

Improvement of contact resistance in transparent thin film transistor by applying an Al/SWCNTs bilayer as electrodes

Authors:S.J. Lee
Affilation:Yonsei University, KR
Pages:17 - 20
Keywords:single-walled carbon nanotube (SWCNT), spray coating, Al/SWCNT bilayer electrodes
Abstract:SWCNTs have various bandgaps so that they show metal as well as semiconductor characteristic. However, it is difficult to separate the metallic and the semi-conducting SWCNTs. Also, the high contact resistance at the interface between SWCNTs and the channel causes loss of carrier mobility. In this study, we fabricated the Al/SWCNT bilayer electrodes and applied this structure to fabricated transparent thin film transistor (TTFT) for reducing the contact resistance.To evaluate the contact resistance between the In2O3 channel and the SWCNTs electrodes, Transmission Line Method (TLM) was applied and electrical properties were measured.Furthermore, optical property was measured by ultraviolet-visible spectrophotometer.
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