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Fluorescent Supramolecular Polymers Based on Pillar[5]arene for OLED Device Fabrication

机译:基于柱[5]芳烃的荧光超分子聚合物用于OLED器件制造

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src="http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/amlccd/2017/amlccd.2017.6.issue-7/acsmacrolett.7b00309/20170712/images/medium/mz-2017-00309t_0005.gif">A series of AA/BB-type supramolecular polymers (SP1–3) based on pillar[5]arene host–guest interactions was developed and their photoelectric properties were further evaluated. The formation of SP1 was confirmed by multiple measurements via nuclear magnetic resonance and specific viscosity studies. The electroluminescence properties of SP1–3 were also investigated. As a result of the efficient energy transfer caused by the exciton trapping on narrow band gap guest G2, by applying a doping strategy, the light-emitting color of the resulting polymers could be easily turned from blue to green. Meanwhile, photoluminescent efficiencies up to 81.6% were obtained. All the supramolecular polymers prepared in this work were utilized as the emissive layers (EMLs) in light-emitting devices and a maximum luminance efficiency (LE) of nearly 5 cd A–1 was achieved.
机译:src =“http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/amlccd/2017/amlccd.2017.6.issue-7/acsmacrolett.7b00309/20170712/image/medium/mz -2017-00309T_0005.GIF“>基于柱[5]芳烃宿主访客相互作用的一系列AA / BB型超分子聚合物(SP1-3)并进一步评价它们的光电性能。通过核磁共振和特定粘度研究通过多次测量来确认SP1的形成。还研究了SP1-3的电致发光性能。由于通过窄带隙Guest G2对窄带涂布G2引起的高效能量转移,通过施加掺杂策略,所得聚合物的发光颜色可以容易地从蓝色转动到绿色。同时,获得了高达81.6%的光致发光效率。在该工作中制备的所有超分子聚合物作为发光装置中的发光层(EML),达到近5cd A -1 / sup>的最大亮度效率(Le)。

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  • 来源
    《ACS Macro Letters》 |2017年第7期|共5页
  • 作者单位

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

    State Key Laboratory of Chemical Engineering Department of Chemistry Zhejiang University Hangzhou 310027 People’s Republic of China;

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

    State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 People’s Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 有机化学;
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