Solution-Processable Diketopyrrolopyrrole Derivatives as Organic Semiconductors for Organic Thin-Film Transistors

被引：3

作者：

Kim, Hyekyoung ^{[1
]}

Nguyen Pham Thanh Van ^{[2
]}

Kim, Choongik ^{[1
]}

Seo, SungYong ^{[2
]}

机构：

[1] Sogang Univ, Dept Chem & Biomol Engn, Seoul 04107, South Korea

[2] Pukyong Natl Univ, Dept Chem, Busan 48513, South Korea

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2018年 / 18卷 / 01期

关键词：

Organic Thin-Film Transistors; Semiconductor; Diketopyrrolopyrrole; Acetylene; Self-Assembled Monolayer; FIELD-EFFECT TRANSISTORS; SOLAR-CELLS; PHOTOVOLTAIC CELLS; SMALL MOLECULES; COPOLYMERS; AMBIPOLAR; DEVICES; BENZODITHIOPHENE; OLIGOTHIOPHENE; DESIGN;

D O I：

10.1166/jnn.2018.13937

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Solution-processable diketopyrrolopyrrole derivatives having acetylene, 2,5-bis(2-ethylhexyl)-3-(5-(phenylethynyl)thiophen-2-yl)-6-(thiophen-2-yl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione (3), 2,5-bis (2-ethylhexyl)-3-(thiophen-2-yl)-6-(5-(thiophen-2-ylethynyl)thiophen-2-yl)-2,5-dihydropyrrolo[3,4-c] pyrrole-1,4-dione (4), and 6,6'-((thiophene-2,5-diylbis(ethyne-2,1-diyl))bis(thiophene-5,2-diyl)) bis(2,5-bis(2-ethylhexyl)-3-(thiophen-2-yl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione) (5) were synthesized and characterized as organic semiconductors for organic thin-film transistors (OTFTs). For the fabrication of thin films based on solution processable compounds, drop-casting (DC) and solution-shearing (SS) were employed. Thin films of compound 5 exhibited p-channel characteristics with carrier mobility as high as 5.7 x 10(-4) cm(2)/Vs and a current on/off ratio of 10(4)-10(6) for top-contact/bottom-gate OTFT devices.

引用

页码：705 / 712

页数：8

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