Organic Thin-Film Transistor Based on Graphene Electrodes

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Organic Thin-Film Transistor Based on Graphene Electrodes

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- Organic Thin-Film Transistor Based on Graphene Electrodes
- Chinese Journal of Liquid Crystals and Displays Vol. 27, Issue 1, (2012)
- 作者机构：
  
  合肥工业大学光电技术研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN321+.5
- Received：11 April 2012，
  
  Revised：22 May 2012，
  
  Published Online：06 June 2012，
  
  Published：15 February 2012
- 稿件说明：
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摘要

利用化学气相沉积法（CVD）生长的高性能的层状石墨烯，通过转移和图案化后用作电极，制备了底接触的并五苯有机薄膜晶体管（OTFTs）。原子力显微镜观察发现，石墨烯电极的厚度比一般的金电极薄的多，所以石墨烯电极厚度对并五苯晶粒的生长影响不大。电学性能研究，得到器件的输出和转移曲线、开关电流比、阈值电压、场效应迁移率。转移曲线的关态电流约为10-9 A，电流的开关比超过103。基于底接触的并五苯OTFTs的最大场效应迁移率约可达2×10-2 cm2 V-1 s-1。

Abstract

High-performance bottom-contact pentacene OTFTs with graphene source/drain electrodes by transferring and patterning CVD-grown layered graphene flms in a room-temperature process has been developed. The AFM images show that the growth of pentacene grains was not affected by the electrode

because patterned layered graphene electrodes were signi?cantly thinner compared to common metal electrodes. The output and transfer curve

on/off current ratio

threshold voltage and field-effect mobility of the device were obtained by electric measurements. The transfer curve showed an off-current level of ≈10-9 A and an on/off current ratio exceeding 103. The bottom-contact pentacene OTFTs based on graphene source/drain electrodes had a maximum field-effect mobility of up to 2×10-2 cm2 V-1 s-1 ).

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Preparation of High-Performance Organic Thin-Film Transistor Through Surface Modification

Wetting/Dewetting Patterned TIPS-Pentacene Organic Thin-Film Transistor

Organic Thin-Film Transistor Based on Graphene Electrodes

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LIN Guang-qing

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Related Institution

Key Lab of Special Display Technology, Ministry of Education, National Engineering Lab of Special Display Technology, National Key Lab of Advanced Display Technology, Academy of Opto-Electronic Technology, Hefei University of Technology

School of Chemical Engineering, Hefei University of Technology

School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology

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