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 a hybrid localized and charge transfer (HLCT) character, enabling reverse intersystem crossing, leading to delayed fluorescence.
P. E. Swathi Krishna, H. Baiju and M. Hariharan, Phys. Chem. Chem. Phys., 2025, Accepted Manuscript , DOI: 10.1039/D5CP01709B
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