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Aryl-Diazafluoren(on)es for Organic Optoelectronics: Toward Air-Stable N-type OFETs and Gas Sensors

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The study demonstrates that 4,5-diazafluorene-based materials yield air-stable electron transport, setting a foundation for high-performance applications.
Charge-carrier mobility reached 0.02 cm2/(V s) for P-DAF-CN in organic field-effect transistors, indicating strong potential for electronic applications.
Employing X-ray diffraction revealed π-stacking and anisotropic charge transfer pathways in these organic semiconductors.
Thin-film OFETs utilizing P-DAF-CN successfully detected hydrogen sulfide at sub-ppm levels, confirming their effectiveness as gas sensors.

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Synthesis reports electron transport in organic semiconductors, highlighting applications in n-type OFETs and gas sensors.

Cheshkina et al. (2025) studied this question.

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