{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Krotkus S"],"funding":["National Research Foundation of Korea","European Commission","Engineering and Physical Sciences Research Council"],"pagination":["572862"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7817954"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["8"],"pubmed_abstract":["Three novel donor-acceptor molecules comprising the underexplored pyridazine (Pydz) acceptor moiety have been synthesized and their structural, electrochemical and photophysical properties thoroughly characterized. Combining Pydz with two phenoxazine donor units linked via a phenyl bridge in a <i>meta</i> configuration (<b>dPXZMePydz</b>) leads to high reverse intersystem crossing rate <i>k</i> <sub>RISC</sub> = 3.9 · 10<sup>6</sup> s<sup>-1</sup> and fast thermally activated delayed fluorescence (TADF) with <500 ns delayed emission lifetime. Efficient triplet harvesting via the TADF mechanism is demonstrated in OLEDs using <b>dPXZMePydz</b> as the emitter but does not occur for compounds bearing weaker donor units."],"journal":["Frontiers in chemistry"],"pubmed_title":["Fast Delayed Emission in New Pyridazine-Based Compounds."],"pmcid":["PMC7817954"],"funding_grant_id":["EP/L017008/1","EP/P010482/1","EP/R035164/1"],"pubmed_authors":["Gather MC","Copley G","Slawin AMZ","Krotkus S","Matulaitis T","Archer E","Diesing S","Keum C","Zysman-Colman E","Cordes DB","Samuel IDW"],"additional_accession":[]},"is_claimable":false,"name":"Fast Delayed Emission in New Pyridazine-Based Compounds.","description":"Three novel donor-acceptor molecules comprising the underexplored pyridazine (Pydz) acceptor moiety have been synthesized and their structural, electrochemical and photophysical properties thoroughly characterized. Combining Pydz with two phenoxazine donor units linked via a phenyl bridge in a <i>meta</i> configuration (<b>dPXZMePydz</b>) leads to high reverse intersystem crossing rate <i>k</i> <sub>RISC</sub> = 3.9 · 10<sup>6</sup> s<sup>-1</sup> and fast thermally activated delayed fluorescence (TADF) with <500 ns delayed emission lifetime. Efficient triplet harvesting via the TADF mechanism is demonstrated in OLEDs using <b>dPXZMePydz</b> as the emitter but does not occur for compounds bearing weaker donor units.","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020","modification":"2026-04-07T15:03:59.397Z","creation":"2021-02-21T03:08:58Z"},"accession":"S-EPMC7817954","cross_references":{"pubmed":["33490031"],"doi":["10.3389/fchem.2020.572862"]}}