Vinylene-linked oligothiophene–difluorobenzothiadiazole copolymer for transistor applications
File(s)
Accepted version
Author(s)
Type
Journal Article
Abstract
The synthesis of the novel donor-acceptor monomer 4,7-bis[(E)-2-(5-bromo-3-dodecylylthiophen-2-yl)ethenyl]-5,6-difluoro-2,1,3-benzothiadiazole (FBT-V2T2) is reported. Polymerization with 4,4'-ditetradecyl-5,5'-bistrimethylstannyl-2,2'-bithiophene afforded a highly crystalline polymer that aggregated strongly in solution. Polymer films were well ordered resulting in high performance field-effect transistors with low onset voltages, negligible hysteresis, high channel current on/off ratios and peak hole mobilities of up to 0.5 cm2V-1s-1. Notably the transistors exhibited close to ideal behavior with extracted mobilities almost independent of gate of voltage.
Date Issued
2016-10-21
Date Acceptance
2016-10-21
Citation
ACS Applied Materials & Interfaces, 2016, 8 (45), pp.31154-31165
ISSN
1944-8244
Publisher
American Chemical Society
Start Page
31154
End Page
31165
Journal / Book Title
ACS Applied Materials & Interfaces
Volume
8
Issue
45
Copyright Statement
© 2016 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/acsami.6b09628.
Sponsor
British Council (UK)
Engineering and Physical Sciences Research Council
Grant Number
173601536
EP/G037515/1
Subjects
conjugated polymers
donor−acceptor copolymer
field-effect transistor
fluorination
organic semiconductors
Nanoscience & Nanotechnology
0904 Chemical Engineering
0303 Macromolecular And Materials Chemistry
0306 Physical Chemistry (Incl. Structural)
Publication Status
Published