Alkylated selenophene-based ladder-type monomers via a facile
route for high performance thin-film transistor applications
route for high performance thin-film transistor applications
File(s)
Published version
Author(s)
Type
Journal Article
Abstract
We report the synthesis of two new selenophene-containing ladder-type monomers, cyclopentadiselenophene (CPDS) and indacenodiselenophene (IDSe), via a 2-fold and 4-fold Pd-catalyzed coupling with a 1,1-diborylmethane derivative. Copolymers with benzothiadiazole were prepared in high yield by Suzuki polymerization to afford materials which exhibited excellent solubility in a range of nonchlorinated solvents. The CPDS copolymer exhibited a band gap of just 1.18 eV, which is among the lowest reported for donor–acceptor polymers. Thin-film transistors were fabricated using environmentally benign, nonchlorinated solvents, with the CPDS and IDSe copolymers exhibiting hole mobility up to 0.15 and 6.4 cm2 V–1 s–1, respectively. This high performance was achieved without the undesirable peak in mobility often observed at low gate voltages due to parasitic contact resistance.
Date Issued
2017-05-26
Date Acceptance
2017-05-26
Citation
Journal of the American Chemical Society, 2017, 139 (25), pp.8552-8561
ISSN
1943-2984
Publisher
American Chemical Society
Start Page
8552
End Page
8561
Journal / Book Title
Journal of the American Chemical Society
Volume
139
Issue
25
Copyright Statement
© 2017 American Chemical Society. ACS AuthorChoice - This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited (http://pubs.acs.org/page/policy/authorchoice_ccby_termsofuse.html)
Sponsor
British Council (UK)
EPSRC
Engineering & Physical Science Research Council (EPSRC)
Identifier
https://pubs.acs.org/doi/10.1021/jacs.7b03099
Grant Number
173601536
EP/L016702/1
EP/J021199/1
Subjects
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
FIELD-EFFECT TRANSISTORS
HETEROJUNCTION SOLAR-CELLS
DONOR-ACCEPTOR POLYMERS
MOBILITY CONJUGATED POLYMERS
SEMICONDUCTING POLYMERS
NAPHTHALENE DIIMIDE
SIDE-CHAIN
PHOTOVOLTAIC APPLICATIONS
OPTOELECTRONIC PROPERTIES
ORGANIC TRANSISTORS
General Chemistry
03 Chemical Sciences
Publication Status
Published
Date Publish Online
2017-06-15