Solution processable quinoxaline based molecular materials for organic field effect transistors

被引：14

作者：

Dutta, Gitish K. ^{[1
]}

Patil, Satish ^{[1
]}

机构：

[1] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India

来源：

ORGANIC ELECTRONICS | 2012年 / 13卷 / 07期

关键词：

Quinoxaline; Liquid crystal; D-A-D; Charge transfer; OFET; Mobility; THIN-FILM TRANSISTORS; HIGH CARRIER MOBILITY; CONJUGATED POLYMER; LIQUID-CRYSTALS; FUNCTIONALIZED ACENES; CHARGE-TRANSPORT; ELECTRONICS; SEMICONDUCTORS; FLUORESCENCE; FABRICATION;

D O I：

10.1016/j.orgel.2012.03.012

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Three new solution processable quinoxaline based donor-acceptor-donor (D-A-D) type molecules have been synthesized for application in field effect transistors. These molecules were characterized by UV-visible spectroscopy, thermal gravimetric analysis, differential scanning calorimetry and cyclic voltammetry. DFT calculation gives deeper insight into the electronic structure of these molecules. The crystallinity and morphology features of thin film were investigated using X-ray diffraction. These molecules show liquid crystalline phase confirmed by DSC and optical polarizing microscopy. Investigation of their field effect transistor performance indicated that these molecules exhibited p-type mobility up to 9.7 x 10 (4) cm(2) V (1) s (1) and on/off ratio of 10(4). (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1266 / 1276

页数：11

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