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Synthesis and Electroluminescence Properties of New Blue Emitting Polymer Based on Dual-Core Type for Solution Process OLEDs

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Abstract

Based on the anthracene-pyrene dual core, a new blue fluorescent material in the form of a polymer was developed. After introducing styrene at the end of the dual-core, a polymer blue emitting material was obtained through radical polymerization. In the case of the newly synthesized Poly 1-(4-vinylphenyl)-6-(10-(4-vinyl-phenyl)anthracen-9-yl)pyrene (S-AP-S), it not only emitted in the blue region of 443 nm in solution state, but also showed a high photoluminescence quantum yield (PLQY) of 79%. When Poly S-AP-S was applied as an emitter to solution process organic light-emitting diodes (OLEDs), current efficiency of 4.48 cd/A and external quantum efficiency (EQE) of 3.62% were realized. It also exhibited the deep-blue color coordinates of (0.157, 0.094) which satisfy with the mobile specification.

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  1. These authors equally contributed to this work.

Authors and Affiliations

  1. Integrated Engineering, Department of Chemical Engineering, Kyung Hee University, Gyeonggi, 17104, Korea

    Seokwoo Kang, Hyukmin Kwon, Jinwook Jeong, Young-Chul Kim & Jongwook Park

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  1. Seokwoo Kang
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  2. Hyukmin Kwon
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  3. Jinwook Jeong
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  4. Young-Chul Kim
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  5. Jongwook Park
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Correspondence to Jongwook Park.

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Acknowledgment: This work was supported by a grant from Kyung Hee University in 2018 (KHU-20180243).

Supporting information: Information includes general information, optical properties, and film morphology. The materials are available via the Internet at http://www.springer.com/13233.

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Kang, S., Kwon, H., Jeong, J. et al. Synthesis and Electroluminescence Properties of New Blue Emitting Polymer Based on Dual-Core Type for Solution Process OLEDs. Macromol. Res. 30, 454–459 (2022). https://doi.org/10.1007/s13233-022-0053-5

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  • DOI: https://doi.org/10.1007/s13233-022-0053-5

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