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Issue 17, 2000
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Synthesis, morphology and optoelectronic properties of tris[(N-ethylcarbazolyl)(3′,5′-hexyloxybenzoyl)methane](phenanthroline)europium

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Abstract

The complex tris[1(N-ethylcarbazolyl)(3′,5′-hexyloxybenzoyl)methane](phenanthroline)europium 1 incorporates a phenanthroline ligand for electron transport and a carbazole fragment in the diketonate ligand for hole transport; furthermore, the six hexyloxy groups prevent crystallization and allow for the formation of transparent clear films directly from solution; the photoluminescence from films of 1 is nearly monochromatic, characteristic of the europium ion and proceeds with an efficiency of 50(3)%; light emitting diodes(LEDs) were fabricated using the simplest possible device architecture comprising an anode (ITO), a layer of 1 and a cathode (Ca); a second LED configuration with a PVK layer on top of the ITO was also investigated; the performance of the two types of devices is discussed.

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Publication details

The article was received on 08 Jun 2000, accepted on 12 Jul 2000 and first published on 16 Aug 2000


Article type: Communication
DOI: 10.1039/B004739M
Citation: Chem. Commun., 2000,0, 1645-1646
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    Synthesis, morphology and optoelectronic properties of tris[(N-ethylcarbazolyl)(3′,5′-hexyloxybenzoyl)methane](phenanthroline)europium

    M. R. Robinson, M. B. O’Regan and G. C. Bazan, Chem. Commun., 2000, 0, 1645
    DOI: 10.1039/B004739M

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