氧敏感性供体-受体共轭聚合物薄膜晶体管

薛战; 田丰收; 王庆贺; 王晓鸿; 邱龙臻

doi:10.3788/fgxb20183908.1136

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氧敏感性供体-受体共轭聚合物薄膜晶体管

器件制备及器件物理 | 更新时间：2020-08-12

- 氧敏感性供体-受体共轭聚合物薄膜晶体管
- Oxygen Sensing Characteristics of Donor-acceptor Conjugated Polymer Transistors of Organic Semiconductor Film
- 发光学报 2018年39卷第8期页码：1136-1142
- 作者机构：
  
  特种显示技术重点实验室, 特种显示技术国家工程实验室, 合肥工业大学光电技术研究院, 合肥工业大学化学化工学院安徽省先进功能材料与器件重点实验室,安徽合肥,230009
- 作者简介：
- 基金信息：
  
  国家自然科学基金（51703047，51573036）();中央高校基础研究经费项目（JZ2017HGBZ0919）资助()
- DOI：10.3788/fgxb20183908.1136
  中图分类号： TN321+.5
- 纸质出版日期：2018-8-5，
  
  网络出版日期：2018-2-9，
  
  收稿日期：2017-11-16，
  
  修回日期：2018-1-12，
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薛战, 田丰收, 王庆贺等. 氧敏感性供体-受体共轭聚合物薄膜晶体管[J]. 发光学报, 2018,39(8): 1136-1142

XUE Zhan, TIAN Feng-shou, WANG Qing-he etc. Oxygen Sensing Characteristics of Donor-acceptor Conjugated Polymer Transistors of Organic Semiconductor Film[J]. Chinese Journal of Luminescence, 2018,39(8): 1136-1142
薛战, 田丰收, 王庆贺等. 氧敏感性供体-受体共轭聚合物薄膜晶体管[J]. 发光学报, 2018,39(8): 1136-1142 DOI： 10.3788/fgxb20183908.1136.

XUE Zhan, TIAN Feng-shou, WANG Qing-he etc. Oxygen Sensing Characteristics of Donor-acceptor Conjugated Polymer Transistors of Organic Semiconductor Film[J]. Chinese Journal of Luminescence, 2018,39(8): 1136-1142 DOI： 10.3788/fgxb20183908.1136.

摘要

研究了基于供体-受体共轭聚合物双（2-氧代二氢吲哚-3-亚基）-苯并二呋喃-二酮和联噻吩（PBIBDF-BT）薄膜晶体管的氧传感特性。在不同的氧气浓度下，器件展示了空穴和电子载流子的传感特性，如源漏电流、迁移率和亚阈值摆幅随着氧从半导体层内吸附/解吸附的过程中被调节。实验结果表明：随着真空度从0.7 Pa上升到0.08 Pa，即氧气的体积分数从~5.310

-6

降到~610

-7

，对于P型传输的迁移率、源漏电流（开态）和亚阈值摆幅分别改变了-52.7%、-51.3%和48%，而对于N型传输分别改变了42.3%、59.5%和-39%。并且腔室中氧气的浓度从~810

-7

降到~610

-7

，变化了~210

-7

，相应的P型和N型源漏电流分别变化了-45.9%和31.1%。基于PBIBDF-BT聚合物薄膜晶体管能够实现对氧气的双极性检测和低的氧检测线。

Abstract

The oxygen sensing transistor characteristics of a conjugated polymer based on bis(2-oxoindolin-3-ylidene)-benzodifuran-dione and bithiophene (PBIBDF-BT) were investigated. The devices depicted both hole-and electron-carriers transport sensing properties in different oxygen atmospheres

where characteristics like drain current

mobility(

) and subthreshold swing(SS) were tuned through the absorption/desorption processes of oxygen into the semiconductor layers. Experimental results indicate that the drain current

and SS based on the PBIBDF-BT polymer TFTs changed by -52.7%

-51.3% and 48% for P-channel

while changed by 42.3%

59.5% and -39% for N-channel as the vacuum from 0.7 Pa (oxygen volumn fraction~5.310

-6

) to 0.08 Pa (oxygen volumn fraction~610

-7

). As the oxygen volumn fraction decreases from~810

-7

to~610

-7

the drain current of P-channel and N-channel increased by -45.9% and 31.1%

respectively. PBIBDF-BT polymer TFTs show bipolar detection of oxygen

and has a low oxygen detection line.

关键词

有机薄膜晶体管供体-受体共轭聚合物双极性传输氧检测

Keywords

OTFTdonor-acceptor conjugated polymersambipolar transmissionoxygen detection

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