Abstract
Abstract Poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)] (PCDTBT) is a low bandgap carbazole-based copolymer, successfully employed in bulk heterojunction solar cells and field-effect transistors. In this work, we report on the possibility to dramatically lower the operating voltage of PCDTBT transistors by using an ion gating medium, instead of conventional gating media, such as SiO2. Using the ionic liquid [EMIM][TFSI] [1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide] as the ion gating medium, we characterized the device performance of [EMIM][TFSI]-gated PCDTBT transistors, in inert atmosphere and in air. Furthermore, we report on [EMIM][TFSI]-gated PCDTBT phototransistors, where the transistor current is not only controlled by the electrical bias applied to the gate electrode but also by exposure to simulated solar light.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.