研究目的

Employment of new design strategies and synthetic approaches for the development of electroactive materials is of high importance for the achievement of high e?ciency of organic light-emitting diodes (OLEDs). Suitable donor-acceptor materials for highly e?ective OLEDs based on delayed ?uorescence must meet a set of requirements including thermal and electrochemical stability, morphological stability of the layers, low ΔES-T values, good charge-transporting abilities, high solid-state photoluminescence quantum yields (PLQY). E?ect of aggregation induced emission enhancement (AIEE) can be additional advantage of such materials.

研究成果

The study successfully synthesized and characterized two new carbazole-containing aromatic imides with promising properties for OLED applications. The phthalimide-based compound exhibited aggregation-induced emission enhancement and thermally activated delayed fluorescence, making it a suitable candidate for high-efficiency OLEDs. The best-performing device demonstrated significant external quantum efficiency, current efficiency, and power efficiency, highlighting the potential of these materials in optoelectronic applications.

研究不足

The study focuses on the synthesis and characterization of two specific carbazole-containing aromatic imides. The generalizability of the findings to other materials or systems is not explored. The performance of the fabricated OLEDs, while promising, may require further optimization for practical applications.