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Molecular design and synthesis of dicarbazolophane-based centro-symmetric through-space donors for solution-processed thermally activated delayed fluorescence OLEDs

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dc.contributor.authorZhang, Zhen
dc.contributor.authorDiesing, Stefan
dc.contributor.authorCrovini, Ettore
dc.contributor.authorGupta, Abhishek Kumar
dc.contributor.authorSpuling, Eduard
dc.contributor.authorGua, Xuemin
dc.contributor.authorFuhr, Olaf
dc.contributor.authorNieger, Martin
dc.contributor.authorHassan, Zahid
dc.contributor.authorSamuel, Ifor D. W.
dc.contributor.authorBräse, Stefan
dc.contributor.authorZysman-Colman, Eli
dc.date.accessioned2022-08-12T23:34:17Z
dc.date.available2022-08-12T23:34:17Z
dc.date.issued2021-08-13
dc.identifier.citationZhang , Z , Diesing , S , Crovini , E , Gupta , A K , Spuling , E , Gua , X , Fuhr , O , Nieger , M , Hassan , Z , Samuel , I D W , Bräse , S & Zysman-Colman , E 2021 , ' Molecular design and synthesis of dicarbazolophane-based centro-symmetric through-space donors for solution-processed thermally activated delayed fluorescence OLEDs ' , Organic Letters , vol. Articles ASAP . https://doi.org/10.1021/acs.orglett.1c02273en
dc.identifier.issn1523-7060
dc.identifier.otherPURE: 275405529
dc.identifier.otherPURE UUID: 71fc1bc7-69a5-489b-8361-95715fce0286
dc.identifier.otherORCID: /0000-0001-7183-6022/work/98785661
dc.identifier.otherScopus: 85113967571
dc.identifier.otherWOS: 000693633500019
dc.identifier.urihttp://hdl.handle.net/10023/25844
dc.descriptionThe German Research Foundation (formally Deutsche Forschungsgemeinschaft DFG) in the framework of SFB1176 Co-operative Research Centre “Molecular Structuring of Soft Matter” (CRC1176, A4, B3, C2, C6) and the cluster “3D Matter Made to Order” funded under Germany’s Excellence Strategy 2082/1–390761711 are acknowledged for financial contributions. A. K. G. is thankful to the Royal Society for a Newton International Fellowship NF171163. E. Z.-C. and I. D. W. S. acknowledge support from EPSRC (EP/L017008, EP/P010482/1, EP/R035164/1). E. C. and E. Z.-C. acknowledge the EU Horizon 2020 grant agreement no. 812872 (TADFlife).en
dc.description.abstractConjugation-extended carbazolophane donors, dicarbazolophanes ( DCzp ), were designed and synthesized using a multifold stepwise Pd-catalyzed Buchwald–Hartwig amination/ring cyclization process. Furthermore, elaboration of the DCzp core is possible with the introduction of pendant carbazole derivative groups. This provides a way to tune the optoelectronic properties of the thermally activated delayed fluorescence (TADF) compounds DCzpTRZtBu , dtBuCzDCzpTRZtBu , and dMeOCzDCzpTRZtBu . Solution-processed organic light-emitting diodes (OLEDs) were fabricated and achieved a maximum external quantum efficiency (EQEmax) of 8.2% and an EQE of 7.9% at 100 cd/m2.
dc.language.isoeng
dc.relation.ispartofOrganic Lettersen
dc.rightsCopyright © 2021 American Chemical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1021/acs.orglett.1c02273en
dc.subjectQD Chemistryen
dc.subjectDASen
dc.subject.lccQDen
dc.titleMolecular design and synthesis of dicarbazolophane-based centro-symmetric through-space donors for solution-processed thermally activated delayed fluorescence OLEDsen
dc.typeJournal articleen
dc.contributor.sponsorThe Royal Societyen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEuropean Commissionen
dc.description.versionPostprinten
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Organic Semiconductor Centreen
dc.contributor.institutionUniversity of St Andrews. EaSTCHEMen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. Centre for Biophotonicsen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.identifier.doihttps://doi.org/10.1021/acs.orglett.1c02273
dc.description.statusPeer revieweden
dc.date.embargoedUntil2022-08-13
dc.identifier.urlhttps://doi.org/10.33774/chemrxiv-2021-z10swen
dc.identifier.grantnumberNF171163en
dc.identifier.grantnumberep/l017008/1en
dc.identifier.grantnumberEP/P010482/1en
dc.identifier.grantnumberEP/R035164/1en
dc.identifier.grantnumber812872en


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