Mononuclear silver complexes for efficient solution and vacuum-processed OLEDs

Romanov, Alexander S., Jones, Saul T. E., Yang, Le, Conaghan, Patrick J., Di, Dawei, Linnolahti, Mikko, Credgington, Dan and Bochmann, Manfred ORCID: (2018) Mononuclear silver complexes for efficient solution and vacuum-processed OLEDs. Advanced Optical Materials, 6 (24). ISSN 2195-1071

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Carbene metal amides (CMAs) are a new class of highly efficient light-emitting molecules based on a linear donor-metal-acceptor geometry. Here we report the synthesis, structure, photo- and electroluminescence of carbene silver carbazolato complexes, (AdL)Ag(Cz) [AdL = adamantyl-substituted cyclic (alkyl)(amino)carbene; Cz = carbazolate (1) and 3,6-tBu2Cz (2)]. They display green emission with photoluminescence quantum yields of up to 74%. Efficient mixing of triplet and singlet excited states is observed, with sub-microsecond thermally activated radiative triplet lifetimes. These complexes provide prototype organic light-emitting diodes (OLEDs) based exclusively on silver emitters, with external quantum efficiencies of up to 14%.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: LivePure Connector
Date Deposited: 31 Oct 2018 09:30
Last Modified: 21 Oct 2022 20:32
DOI: 10.1002/adom.201801347

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