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Issue 42, 2016
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Tetrazole iridium(III) complexes as a class of phosphorescent emitters for high-efficiency OLEDs

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Abstract

We show that iridium complexes incorporating a tetrazolate ligand can be used as new highly phosphorescent emitters in the fabrication of high-efficiency organic light emitting devices (OLEDs). The nature of the excited states of these Ir(III) complexes was probed by means of electrochemical analysis, absorption and photoluminescence spectroscopies and with the aid of TD-DFT calculations. To demonstrate the high stability of these classes of complexes we used TGA and DSC characterizations. These complexes are used as dopant emitters in the emissive layers. The as-fabricated OLEDs display high-efficiency and high-brightness with blue, green and yellow/orange emission.

Graphical abstract: Tetrazole iridium(iii) complexes as a class of phosphorescent emitters for high-efficiency OLEDs

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Publication details

The article was received on 28 Jul 2016, accepted on 27 Sep 2016, published on 27 Sep 2016 and first published online on 27 Sep 2016


Article type: Paper
DOI: 10.1039/C6TC03217F
Citation: J. Mater. Chem. C, 2016,4, 10053-10060
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    Tetrazole iridium(III) complexes as a class of phosphorescent emitters for high-efficiency OLEDs

    B. Umamahesh, N. S. Karthikeyan, K. I. Sathiyanarayanan, J. M. Malicka and M. Cocchi, J. Mater. Chem. C, 2016, 4, 10053
    DOI: 10.1039/C6TC03217F

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