Herein, we report room-temperature phosphorescence in a brominated dihydropentacene derivative having bifurcating bromine synthon in the crystalline state. Delayed emission experiments and insights from theoretical investigations have corroborated the feasibility of long-lived triplet excitons, offering promising implications for synthon-stabilized, metal-free, organic phosphors.
S. Sujilkumar, A. Kalyani and M. Hariharan, Chem. Commun., 2025, 61, 5463 DOI: 10.1039/D5CC00496A
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