P3HT Nanofibrils Thin-Film Transistors by Adsorbing Deposition in Suspension

被引：3
|
作者：
Nagamatsu, Shuichi [1 ]
Ishida, Masataka [1 ]
Miyajima, Shougo [2 ]
Pandey, Shyam S. [2 ]
机构：
[1] Kyushu Inst Technol, Dept Comp Sci & Elect, Iizuka, Fukuoka 8208502, Japan
[2] Kyushu Inst Technol, Grad Sch Life Sci & Syst Engn, Kitakyushu, Fukuoka 8080196, Japan
来源：
MATERIALS | 2019年 / 12卷 / 21期
基金：
日本学术振兴会;
关键词：
poly(3-hexylthiophene); nanofibrils; suspension; thin-film transistors; C-60;
D O I：
10.3390/ma12213643
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel film preparation method utilizing polymer suspension, entitled adsorbing deposition in suspensions (ADS), has been proposed. The poly(3-hexylthiophene) (P3HT) toluene solution forms P3HT nanofibrils dispersed suspension by aging. P3HT nanofibrils are highly crystallized with sharp vibronic absorption spectra. By the ADS method, only P3HT nanofibrils in suspension can be deposited on the substrate surface without any disordered fraction from the dissolved P3HT in suspension. Formed ADS film contains only the nanostructured conjugated polymer. Fabricated polymer thin-film transistor (TFT) utilizing ADS P3HT film shows good TFT performances with low off current, narrow subthreshold swing and large on/off current ratio.
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页数：6
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