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Solution processable quinoxaline based molecular materials for organic field effect transistors

Dutta, Gitish K and Patil, Satish (2012) Solution processable quinoxaline based molecular materials for organic field effect transistors. In: ORGANIC ELECTRONICS, 13 (7). pp. 1266-1276.

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Official URL: http://dx.doi.org/10.1016/j.orgel.2012.03.012


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.

Item Type: Journal Article
Additional Information: copyright for this article belongs to Elsevier B V
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 16 Jul 2012 10:07
Last Modified: 16 Jul 2012 10:07
URI: http://eprints.iisc.ac.in/id/eprint/44618

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