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Issue 5, 2014
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Principles of phosphorescent organic light emitting devices

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Organic light-emitting device (OLED) technology has found numerous applications in the development of solid state lighting, flat panel displays and flexible screens. These applications are already commercialized in mobile phones and TV sets. White OLEDs are of especial importance for lighting; they now use multilayer combinations of organic and elementoorganic dyes which emit various colors in the red, green and blue parts of the visible spectrum. At the same time the stability of phosphorescent blue emitters is still a major challenge for OLED applications. In this review we highlight the basic principles and the main mechanisms behind phosphorescent light emission of various classes of photofunctional OLED materials, like organic polymers and oligomers, electron and hole transport molecules, elementoorganic complexes with heavy metal central ions, and clarify connections between the main features of electronic structure and the photo-physical properties of the phosphorescent OLED materials.

Graphical abstract: Principles of phosphorescent organic light emitting devices

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The article was received on 06 Sep 2013, accepted on 15 Oct 2013 and first published on 16 Oct 2013

Article type: Perspective
DOI: 10.1039/C3CP53806K
Phys. Chem. Chem. Phys., 2014,16, 1719-1758

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    Principles of phosphorescent organic light emitting devices

    B. Minaev, G. Baryshnikov and H. Agren, Phys. Chem. Chem. Phys., 2014, 16, 1719
    DOI: 10.1039/C3CP53806K

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