Finding New Precursors for Light Harvesting Materials: A Computational Study of the Fluorescence Potential of Benzanthrone Dyes

Benzanthrone dyes are organic luminophores with excellent optoelectronic properties. This computational investigation is based on density functional theory and aims to explore the photophysical behavior of some of the reported aminobenzanthrones in addition to many unreported dyes containing different electron-donating substituents. Significant changes in the dipole moment and the overall structure of the dyes upon solvation in ethanol have been observed. We find that intramolecular charge transfer is more pronounced in the solvent medium, which facilitates the emission to shift bathochromically. Intersystem crossing is predicted to be absent, which makes relaxation of the molecule to ground state more efficient by emitting in the visible region.

Abstract licence: CC BY-NC-ND

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