Three novel perylene diimide derivatives with bulky aromatic moieties (fluorene, carbazolyl-fluorene, and anthracyl-fluorene) connected via triple bonds with perylene core were successfully designed and synthesized. The chemical structure of prepared compounds was confirmed by ¹H and ¹³C NMR and mass spectrometry. Their optimized ground-state geometry and frontier molecular orbitals were theoretically estimated based on density functional theory. The compounds undergo the reversible electrochemical reduction process and exhibit very low energy band gaps (1.56–1.98 eV) being promising for electronic applications. They also display excellent solubility, high thermal stability and luminescence in solution and in the solid state as a film in the red spectral region. The highest photoluminescence quantum yield (79% in solution and 28% in the film) was found for perylene diimide bearing fluorene unit. All molecules showed the ability for light emission under an applied voltage. The fabricated diodes with structure ITO/PEDOT:PSS/compound/Al exhibited electroluminescence with maximum emission band located between 685 and 732 nm. The most intense electroluminescence, which was additionally plasmonically enhanced by incorporating silver nanowires, was observed for the device based on molecules with anthracene structure.

成功设计并合成了三种新型的per二酰亚胺衍生物，它们具有庞大的芳族部分（芴，咔唑基芴和蒽基芴），它们通过三键与triple芯连接。制备的化合物的化学结构通过¹ H和¹³确认13 C NMR和质谱。基于密度泛函理论从理论上估计了它们的优化基态几何和前沿分子轨道。这些化合物经历了可逆的电化学还原过程，并且显示出非常低的能带隙（1.56-1.98 eV），有望用于电子应用。它们还显示出优异的溶解性，高的热稳定性和在溶液中以及在固态时呈红色光谱区域中的薄膜的发光性。对于带有per二酰亚胺的芴单元，发现了最高的光致发光量子产率（溶液中为79％，薄膜中为28％）。所有分子在施加电压下均具有发光能力。制成的结构为ITO / PEDOT：PSS /化合物/ Al的二极管表现出电致发光，其最大发射带位于685至732 nm之间。