Hydrogen-bonded semiconducting pigments for air-stable field-effect transistors.
basic_science · Level V
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- Record sourced from PubMed, PMID 23239229.
- Also identified by DOI 10.1002/adma.201204039.
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Abstract
Extensive intramolecular π-conjugation is considered to be requisite in the design of organic semiconductors. Here, two inkjet pigments, epindolidione and quinacridone, that break this design rule are explored. These molecules afford intermolecular π-stacking reinforced by hydrogen-bonding bridges. Air-stable organic field effect transistors are reported that support mobilities up to 1.5 cm(2)/Vs with T80 lifetimes comparable with the most stable reported organic semiconducting materials.