This research demonstrates the synthesis of peropyrene diimide derivatives, revealing their potential in n-type semiconductors for transistors, suggesting applications in electronics.
Polycyclic aromatic hydrocarbons (PAHs) imides have garnered a substantial amount of attention owing to their unique optoelectronic properties and versatile applications. Herein, we report the synthesis of 1,10,11,14-peropyrene diimide (PPDI), followed by its sequential functionalization. Selective bromination at positions 3 and 8 of PPDI yielded PPDI-2Br, which subsequently underwent cyanation to afford PPDI-2CN. When implemented as an n-type semiconductor in organic field-effect transistors, PPDI-2CN demonstrated promising charge transport characteristics with electron mobility values reaching 0.1 cm² V⁻¹ s⁻¹.
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Zhang et al. (2026) studied this question.
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