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Issue 12, 2013
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A supramolecular large band gap host for phosphorescent organic light-emitting diodes

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Abstract

A large band gap supramolecular polymer based on host–guest interactions was developed as the host material for phosphorescent organic light-emitting diodes. The dibenzo-24-crown-8, and dibenzylammonium salt functionalized fluorene-based large band gap compounds 1 and 2 were developed as the host and guest monomers, respectively. The resulting linear supramolecular polymer (SP) 3 was obtained from the self-organization of the host and guest monomers, which was validated by nuclear magnetic resonance, viscosity and differential scanning calorimetry studies. The SP 3 maintained the triplet energy level of the host monomer 1 and the guest monomer 2. The resulting device based on the supramolecular host material and a yellow-phosphorescent complex Ir(Flpy)3 achieved a maximum luminance efficiency of 18.2 cd A−1.

Graphical abstract: A supramolecular large band gap host for phosphorescent organic light-emitting diodes

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Publication details

The article was received on 17 Jan 2013, accepted on 18 Jan 2013 and first published on 23 Jan 2013


Article type: Communication
DOI: 10.1039/C3RA40249E
Citation: RSC Adv., 2013,3, 3829-3835
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    A supramolecular large band gap host for phosphorescent organic light-emitting diodes

    J. Zhang, K. Zhang, S. Liu, A. Liang, X. Huang, F. Huang, J. Peng and Y. Cao, RSC Adv., 2013, 3, 3829
    DOI: 10.1039/C3RA40249E

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