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Issue 40, 2013
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Constructing high-performance blue, yellow and red electroluminescent devices based on a class of multifunctional organic materials

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Abstract

Two new indolo[3,2-b]carbazole derivatives (DPDT-ICZ and DNDT-ICZ) with multifunctionality were designed and synthesized. They were employed as deep-blue emitters, hole-transporting materials and hosts to fabricate organic light-emitting devices (OLEDs). The devices which used them as emitters displayed deep-blue emissions with CIE coordinates of (0.15, 0.08). They have been employed as hole-transporting and host material simultaneously to construct high performance yellow and red phosphorescent OLEDs. High power efficiencies (78.3 lm W−1 for yellow devices and 20.4 lm W−1 for red devices) for phosphorescent OLEDs were achieved. Importantly, these devices displayed the feature of low roll-off of efficiencies. At the luminance of 1000 cd m−2, roll-off of current efficiencies was 1.3% for the yellow device and 14.6% for the red device.

Graphical abstract: Constructing high-performance blue, yellow and red electroluminescent devices based on a class of multifunctional organic materials

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Publication details

The article was received on 03 Jul 2013, accepted on 09 Aug 2013 and first published on 09 Aug 2013


Article type: Paper
DOI: 10.1039/C3TC31271B
Citation: J. Mater. Chem. C, 2013,1, 6594-6602
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    Constructing high-performance blue, yellow and red electroluminescent devices based on a class of multifunctional organic materials

    S. Chen, J. Wei, K. Wang, C. Wang, D. Chen, Y. Liu and Y. Wang, J. Mater. Chem. C, 2013, 1, 6594
    DOI: 10.1039/C3TC31271B

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