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    Efficient light-emitting devices based on platinum-complexes-anchored polyhedral oligomeric silsesquioxane materials

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    Type
    Article
    Authors
    Yang, Xiaohui
    Froehlich, Jesse D.
    Chae, HyunSik
    Harding, Brett T.
    Li, Sheng cc
    Mochizuki, Amane
    Jabbour, Ghassan E.
    KAUST Department
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Date
    2010-08-24
    Permanent link to this record
    http://hdl.handle.net/10754/561513
    
    Metadata
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    Abstract
    The synthesis, photophysical, and electrochemical characterization of macromolecules, consisting of an emissive platinum complex and carbazole moieties covalently attached to a polyhedral oligomeric silsesquioxane (POSS) core, is reported. Organic light-emitting devices based on these POSS materials exhibit a peak external quantum efficiency of ca. 8%, which is significantly higher than that of the analogous devices with a physical blend of the platinum complexes and a polymer matrix, and they represent noticeable improvement in the device efficiency of solution-processable phosphorescent excimer devices. Furthermore, the ratio of monomer and excimer/aggregate electroluminescent emission intensity, as well as the device efficiency, increases as the platinum complex moiety presence on the POSS macromolecules decreases. © 2010 American Chemical Society.
    Citation
    Yang, X., Froehlich, J. D., Chae, H. S., Harding, B. T., Li, S., Mochizuki, A., & Jabbour, G. E. (2010). Efficient Light-Emitting Devices Based on Platinum-Complexes-Anchored Polyhedral Oligomeric Silsesquioxane Materials. Chemistry of Materials, 22(16), 4776–4782. doi:10.1021/cm101314b
    Publisher
    American Chemical Society (ACS)
    Journal
    Chemistry of Materials
    DOI
    10.1021/cm101314b
    ae974a485f413a2113503eed53cd6c53
    10.1021/cm101314b
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; KAUST Solar Center (KSC)

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