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

FENG Xiang; LIN Guang-qing; ZHANG Jun; LI Man-fei; QIU Long-zhen

doi:10.3788/YJYXS20132803.0338

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

Device Physics & Device Technology | 更新时间：2020-08-12

- Wetting/Dewetting Patterned TIPS-Pentacene Organic Thin-Film Transistor
- Chinese Journal of Liquid Crystals and Displays Vol. 28, Issue 3, Pages: 338-343(2013)
- 作者机构：
  
  1. 合肥工业大学化学工程学院,安徽合肥,230009
  2. 合肥工业大学光电技术研究院特种显示技术教育部重点实验室,特种显示技术国家工程实验室, 现代显示技术省部共建国家重点实验室培育基地,安徽合肥,230009
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20132803.0338
  CLC： O753+.2
- Received：15 January 2013，
  
  Revised：31 January 2013，
  
  Published Online：25 February 2013，
  
  Published：15 June 2013
- 稿件说明：
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冯翔, 林广庆, 张俊, 李曼菲, 邱龙臻. 去润湿图案化制备TIPS-并五苯有机薄膜晶体管[J]. 液晶与显示, 2013,28(3): 338-343

FENG Xiang, LIN Guang-qing, ZHANG Jun, LI Man-fei, QIU Long-zhen. Wetting/Dewetting Patterned TIPS-Pentacene Organic Thin-Film Transistor[J]. , 2013,28(3): 338-343
冯翔, 林广庆, 张俊, 李曼菲, 邱龙臻. 去润湿图案化制备TIPS-并五苯有机薄膜晶体管[J]. 液晶与显示, 2013,28(3): 338-343 DOI： 10.3788/YJYXS20132803.0338.

FENG Xiang, LIN Guang-qing, ZHANG Jun, LI Man-fei, QIU Long-zhen. Wetting/Dewetting Patterned TIPS-Pentacene Organic Thin-Film Transistor[J]. , 2013,28(3): 338-343 DOI： 10.3788/YJYXS20132803.0338.

摘要

利用润湿/去润湿的方法配合旋涂工艺制备了图案化的TIPS-并五苯有机半导体薄膜

制备了顶接触有机薄膜晶体管(OTFTs)。金相显微镜观察发现

转速的选择对TIPS-并五苯薄膜结晶形貌的影响较大。在1 000~2 000 r/min转速下制备的薄膜完整性好

结晶区域较大;而转速增加到3 000 r/min后

难以获得完整的薄膜且晶粒尺寸变小。电学性能研究得到器件的输出曲线、转移曲线、开关电流比、阈值电压、场效应迁移率

发现结晶形貌好的器件具有更好的电学性能。1 000 r/min转速下制备OTFT器件最大场效应迁移率为5.1610

-2

cmV

-1

电流开关比为810

。

Abstract

Top-contact organic thin-film transistors array was prepared by slectively dewetting of 6

13-Bis(triisopropylsilylethynyl) pentacene (TIPS-Pentacene) solution. The optical microscope images showed that the morphology of TIPS-pentacene crystal was influenced by the rotation speed. The TIPS-pentacene thin-films prepared at 1 000~2 000 r/min had good connectivity and large crystal domains. As the rotation speed increased to 3 000 r/min

the patterned film became incomplete and the crystal domain size reduced. The output and transfer curve

on/off current ratio

threshold voltage and field-effect mobility of the device were obtained by electric measurements. The TIPS-pentacene OTFTs prepared at 1 000 r/min had a maximum field-effect mobility of up to 5.1610

-2

cmV

-1

and an on/off current ratio of 810

关键词

Keywords

references

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Related Institution

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