{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(1)"],"submitter":["Meng G"],"pubmed_abstract":["The pursuit of ideal short-delayed thermally activated delayed fluorescence (TADF) emitters is hampered by the mutual exclusion of a small singlet-triplet energy gap (ΔE<sub>ST</sub>) and a large oscillator strength (f). Here, by attaching an multiresonance-acceptor onto a sterically-uncrowded donor, we report TADF emitters bearing hybrid electronic excitations with a main donor-to-acceptor long-range (LR) and an auxiliary bridge-phenyl short-range (SR) charge-transfer characters, balancing a small ΔE<sub>ST</sub> and a large f. Moreover, the incorporation of dual equivalent multiresonance-acceptors is found to double the f value without affecting the ΔE<sub>ST</sub>. A large radiative decay rate over an order of magnitude higher than the intersystem crossing (ISC) rate, and a decent rever"],"journal":["Nature communications"],"pagination":["2394"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10133342"],"repository":["biostudies-literature"],"pubmed_title":["High-efficiency and stable short-delayed fluorescence emitters with hybrid long- and short-range charge-transfer excitations."],"pmcid":["PMC10133342"],"pubmed_authors":["Duan L","Zhang D","Wang Q","Zhang Y","Zeng X","Wang X","Yang D","Ma D","Meng G","Dai H","Zhou J","Fan T"],"additional_accession":[]},"is_claimable":false,"name":"High-efficiency and stable short-delayed fluorescence emitters with hybrid long- and short-range charge-transfer excitations.","description":"The pursuit of ideal short-delayed thermally activated delayed fluorescence (TADF) emitters is hampered by the mutual exclusion of a small singlet-triplet energy gap (ΔE<sub>ST</sub>) and a large oscillator strength (f). Here, by attaching an multiresonance-acceptor onto a sterically-uncrowded donor, we report TADF emitters bearing hybrid electronic excitations with a main donor-to-acceptor long-range (LR) and an auxiliary bridge-phenyl short-range (SR) charge-transfer characters, balancing a small ΔE<sub>ST</sub> and a large f. Moreover, the incorporation of dual equivalent multiresonance-acceptors is found to double the f value without affecting the ΔE<sub>ST</sub>. A large radiative decay rate over an order of magnitude higher than the intersystem crossing (ISC) rate, and a decent rever","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Apr","modification":"2025-04-04T11:05:15.774Z","creation":"2025-04-04T11:05:15.774Z"},"accession":"S-EPMC10133342","cross_references":{"pubmed":["37100785"],"doi":["10.1038/s41467-023-38086-4"]}}