Аннотация:Thermally activated delayed fluorescence (TADF) exciplexes offer promising pathways for creating efficient third-generation organic light-emitting diodes (OLEDs). We employed time-dependent density functional theory (TDDFT) and molecular dynamics simulations to calculate the energy levels and spectral characteristics of PVK/PO-T2T TADF exciplexes. Our findings revealed that the electronic properties are highly sensitive to a relative orientation of the monomer units. By incorporating the molecular environment, we simulated the inhomogeneous broadening of the absorption and fluorescence spectra, enabling a more accurate representation of the experimental data. These insights provide valuable guidelines for computational studies aimed at understanding structure–property relationships in TADF exciplexes and facilitating semi-quantitative predictions of their behavior.