The design and synthesis of high-performance n-type organic semiconductors are important for the development of future organic optoelectronics. Facile synthetic routes to reach the K-region of pyrene and produce 4,5,9,10-pyrene diimide (PyDI) derivatives are reported. The PyDI derivatives exhibited efficient electron transport properties, with the highest electron mobility of up to 3.08 cm V s . The tert-butyl-substituted compounds (t-PyDI) also showed good one- and two-photon excited fluorescence properties. The PyDI derivatives are a new family of aromatic diimides that may exhibit both high electron mobility and good light-emitting properties, thus making them excellent candidates for future optoelectronics.

The electron mobility of solution-grown TIPS-TAP single crystals has been boosted to 13.3 cm2V−1s−1, after removing the polar solvent residues.

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The design and synthesis of high-performance ntype organic semiconductors are important for the development of future organic optoelectronics.F acile synthetic routes to reach the K-region of pyrene and produce 4,5,9,10-pyrene diimide (PyDI) derivatives are reported. The PyDI derivatives exhibited efficient electron transport properties,w ith the highest electron mobility of up to 3.08 cm 2 V À1 s À1 .T he tert-butylsubstituted compounds (t-PyDI) also showed good one-and two-photon excited fluorescence properties.T he PyDI derivatives are an ew family of aromatic diimides that may exhibit both high electron mobility and good light-emitting properties, thus making them excellent candidates for future optoelectronics.