2-Thiopene[1]benzothieno[3,2-b]benzothiophene derivatives as solution-processable organic semiconductors for organic thin-film transistors

被引：28

作者：

Reddy, M. Rajeshkumar ^{[1
]}

Kim, Hyungsug ^{[2
]}

Kim, Choongik ^{[2
]}

Seo, SungYong ^{[1
]}

机构：

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

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

来源：

SYNTHETIC METALS | 2018年 / 235卷

基金：

新加坡国家研究基金会;

关键词：

Organic thin-film transistors; Organic semiconductor; 1]Benzothieno[3,2-b]benzothiophene; Solution process; FIELD-EFFECT TRANSISTORS; POLYMER SOLAR-CELLS; HIGH-PERFORMANCE; HIGH-MOBILITY; SMALL MOLECULES; DEPOSITION;

D O I：

10.1016/j.synthmet.2017.12.012

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Novel [1]benzothieno[3,2-Nbenzo-thiophene (BTBT) derivatives were synthesized and characterized as solution-processable organic semiconductors for top-contact/bottom-gate organic filed-effect transistors (OFETs). Physicochemical properties of the new compounds were characterized by UV-vis absorption spectroscopy, thermogravimetric analysis (TGA), differential scanning calorimeter (DSC), cyclic voltammetry (CV), and density functional theory (DFT) calculation. The electrical properties of the corresponding compounds were investigated through the fabrication and characterization of field-effect transistors via solution-shearing. Both compounds were FET active and exhibited decent p-channel activity with carrier mobilities up to 0.10 cm(2)V(-1)s(-1) and current on/off ratio > 10(8). Film morphology and microstructure, as characterized by atomic force microscopy (AFM) and X-ray diffraction (XRD) were correlated with the device performance.

引用

页码：153 / 159

页数：7

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