=125 ℃。通过喷墨打印技术制备了底栅顶接触结构的2,7-二癸基二苯并二噻吩的OTFT器件,场效应平均迁移率达到0.1 cm
2
/Vs,最大迁移率达到0.25 cm
2
/Vs,开关比超过10
4
。放置空气中不同时间,器件开态电流和开关比没有较大变化。
Abstract
2
7-Didodecyn-1-yl[1]benzothieno[3
2-b]
[1]benzothiophene (C10-BTBT) was synthesized in the base of o-chlorobenzaldehyde
NaSH
x
H
2
O and decanoyl chloride by elimination reaction
acrylation reaction and reduction reaction.The structure of compound was confirmed by
1
HNMR. The properties of optical
electrical and environmental stability were studied. Its optical properties were characterized by the UV absorption and fluorescence spectra.The results indicated that maximum emission peak of the compound is at 352 nm which is the typical blue fluorescene.The phase transition temperature was measured by DSC
the transition temperature
T
cp
=112 ℃
T
mp
=125 ℃.The OTFT devices with bottom-gate and top-contact structure based on C10-BTBT were preparated by inkjet printing method
the average field-effect mobility was up to 0.1 cm
2
/Vs and the maximum mobility was 0.25 cm
2
/Vs
the on/off curruent ratio exceeded 10
4
. Organic thin-film transistor was placed in air different time
The on/off current
on/off ratio of organic thin-film transistor had no more changes.
关键词
Keywords
references
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Preparation and electron transport properties of low LUMO/HOMO conjugated polymers
Effects of molecular topological transformation on crystallization and electric properties
Process and properties of oxide IGZO TFT device based on flexible PI substrate
Influence of fabrication process on performance of polymeric thin-film transistor
Tips-PEN thin film carrier mobility evaluated by steady-state SCLC and impedance spectroscopy
Related Author
Dong WANG
Guo-bing ZHANG
Long-zhen QIU
Fei-fei WANG
Qiu-hong CUI
Yan-bing HOU
SUN Xiang
SHI Ji-feng
Related Institution
National Engineering Laboratory of Special Display Technology, National Key Laboratory of Advanced Display Technology, Academy of Opto-electronic Technology, Hefei University of Technology
Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing JiaoTong University
Key Laboratory of Advanced Display and System Applications of Ministry of Education, Shanghai University
Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
National Engineering Lab for TFT-LCD Key Materials and Technologies, Shanghai 200240, China