High-Efficiency Polymer Light-Emitting Devices with Robust Phosphorescent Platinum(II) Emitters Containing Tetradentate Dianionic ONCN Ligands

Authors

  • Gang Cheng,

    1. State Key Laboratory of Synthetic Chemistry, Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong SAR, China
    2. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Changchun, China
    3. HKU Shenzhen Institute of Research and Innovation, Shenzhen, China
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  • Pui-Keong Chow,

    1. State Key Laboratory of Synthetic Chemistry, Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong SAR, China
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  • Steven C. F. Kui,

    1. State Key Laboratory of Synthetic Chemistry, Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong SAR, China
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  • Chi-Chung Kwok,

    1. State Key Laboratory of Synthetic Chemistry, Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong SAR, China
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  • Chi-Ming Che

    Corresponding author
    1. State Key Laboratory of Synthetic Chemistry, Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong SAR, China
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Abstract

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[Pt(ONCN)]-type complexes are used as single emitters in solution-processed PLEDs with maximum EQEs of 15.55% for green and 12.73% for white devices, which are the highest values ever achieved for PLEDs based on Pt(ii) complexes.

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