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    Dihydroheptacene Derivative Synthesis and Analysis: Potentially Efficient Blue-Emitting Organic Molecules for OLED Technology

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    Dihydroheptacene Derivative Synthesis and Analysis.pdf (913.9Kb)
    Date
    2013-05-23
    Author
    Bartholomew, Nicholas
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    Abstract
    OLED technology has made great strides in recent years in terms of efficiency, even offering a possible solution for inefficient lighting sources used today. However, inefficient blue light-emitting organic molecules have stalled progression. This paper proposes three dihydroheptacene derivatives as candidates to fill that place. The three derivatives are synthesized through the same mechanistic procedure and analyzed by fluorescence emission spectroscopy under varying conditions. Photophysical properties are also assessed and compared. The derivatives emit blue light in the expected range of the spectrum. Matrix and environmental effects are shown to be nonexistent or negligible. The molecules are shown to be rather efficient emitters in the solid state as well, showing promising quantum yield values versus competitors at the time. However, in the time since the experiment was conducted, research in this area has left the fluorescent blue emitters for research to find a more efficient phosphorescent counterpart.
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