Twisted aminoacene D–A–D systems connected at the 2,9-position of phenanthroline were synthesized, showing thermally activated delayed blue fluorescence. Comprehensive computational and spectroscopic studies revealed hybrid localized and charge-transfer (HLCT) character, enabling reverse intersystem crossing, leading to delayed fluorescence.
P. E. S. Krishna, H. Baiju and M. Hariharan, Phys. Chem. Chem. Phys., 2025, Advance Article , DOI: 10.1039/D5CP01709B
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