Electrical Instability Induced by Electron Trapping in Low-Bandgap Donor-Acceptor Polymer Field-Effect Transistors.
basic_science · Level V
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- Record sourced from PubMed, PMID 26441385.
- Also identified by DOI 10.1002/adma.201501757.
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Abstract
The mechanism of electrical instability and the double slope of p-type organic field-effect transistors (OFETs) fabricated from low-bandgap donor-acceptor copolymers are resolved. Those polymers enable electron conduction in the device, which leads to electron trapping and consequent formation of -SiO(-). This causes a turn-on voltage shift, hole-mobility increase, and double-slope occurrence. These findings tremendously impact the molecular design and device engineering of OFETs.