Highly π-extended copolymers with diketopyrrolopyrrole moieties for high-performance field-effect transistors.
basic_science · Level V
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- Record sourced from PubMed, PMID 22700461.
- Also identified by DOI 10.1002/adma.201201318.
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Abstract
Two donor-acceptor (D-A) copolymer PDVTs based on diketopyrrolopyrole and (E)-2-(2-(thiophen-2-yl)vinyl)thiophene (TVT) units are synthesized for solution-processed field-effect transistors (FETs). The highly π-extended TVT units strengthen the coplanarity of the polymer backbone. FETs based on PDVTs show high mobilities above 2.0 cm(2) V(-1) s(-1) with a current on/off ratio of 10(5)-10(7) , high shelf storage, and operation stability.
Medical subject headings
- Polymers
- Transistors, Electronic