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Issue 73, 2016
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Highly efficient non-doped deep blue fluorescent emitters with horizontal emitting dipoles using interconnecting units between chromophores

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Abstract

New deep blue fluorescent emitters composed of anthracene as an electron rich unit, a diphenyltriazine as a strong electron acceptor unit, and phenyl or xylene as interconnecting units were synthesised. The interconnecting unit between chromophores increased the singlet transition energy and the ratio of horizontal emitting dipoles. As a result, a non-doped blue fluorescent organic light-emitting diode (OLED) using a new emitter was demonstrated, with an external quantum efficiency (EQE) of 6.6% and Commision Internationale de l'Eclairage (CIE) colour coordinates of (0.145, 0.068). This device performance has been the highest EQE observed in deep blue non-doped OLEDs with CIE coordinates less than (0.145, 0.068) to date.

Graphical abstract: Highly efficient non-doped deep blue fluorescent emitters with horizontal emitting dipoles using interconnecting units between chromophores

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Publication details

The article was received on 17 Jun 2016, accepted on 28 Jul 2016 and first published on 29 Jul 2016


Article type: Communication
DOI: 10.1039/C6CC05076J
Citation: Chem. Commun., 2016,52, 10956-10959
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    Highly efficient non-doped deep blue fluorescent emitters with horizontal emitting dipoles using interconnecting units between chromophores

    K. Kim, J. Y. Baek, C. W. Cheon, C. Moon, B. Sim, M. Y. Choi, J. Kim and Y. Kim, Chem. Commun., 2016, 52, 10956
    DOI: 10.1039/C6CC05076J

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