In this paper, a novel perylene diimide derivative 1,7-bis[N,N-bis(4-phenyl)aniline]perylene diimide (PDI-TPA) was synthesized and characterized by IR spectroscopy, 1 H NMR and elemental analysis. Besides, solubility and photoelectric properties of 1,7-bis[N,N-bis(4phenyl)aniline]perylene diimide were studied. Results show that 1,7-bis[N,N-bis(4-phenyl)aniline]perylene diimide exhibits excellent solubility in common solvents. The absorption bands span a wide range of the visible spectra and

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... cal band gap is 1.68 eV. In addition, 1,7-bis[N,N-bis(4-phenyl)aniline]perylene diimide exhibits an ambipolar behaviour, the highest occupied molecular orbital (HOMO) energy level and the lowest unoccupied molecular orbital (LUMO) energy level are -5.64 eV and -3.94 eV, respectively.