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In situ aluminium ions regulation for quantum efficiency and light stability promotion in white light emitting material

机译：原位铝离子对白光发光材料的量子效率和光稳定促进的调节

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摘要

In this study, we have proposed an in situ ion regulation strategy to assemble a white-light-emitting material with high stability and efficiency. A fluorescence tunable hybrid material was first fabricated by a ship around the bottle method in which the fluorescent dyes, disodium 2-naphthol-3,6-disulfonate (R) and ZnO Quantum Dots (QDs), were embedded into metal-organic frameworks (MOFs) in proportion. Then, the competition coordination of aluminium ions over zinc ions to R were utilized to subtly adjust the intensity of blue fluorescence, leading to an ideal white light with Commission Internationale de l'Eclairage (CIE) coordinates of (0.30, 0.33) and a high Color-Rendering Index (CRI) value of 93%. Compared with the material fabricated by the ratio tuning of the R salt and ZnO QDs directly, the in situ ions regulation strategy enabled the final product to have a higher quantum efficiency and light stability. Moreover, this strategy also settled the non-tunable problem of fluorescence due to the competition coordination effects of aluminium ions and zinc ions in the same synthetic system. This synthetic strategy and our new findings can provide more ideas for designing new white-light-emitting materials.
机译：在这项研究中，我们提出了一种原位离子调节策略，以组装具有高稳定性和效率的白光发光材料。荧光可调杂化材料首先由瓶子围绕瓶子方法制造，其中荧光染料，2-萘酚-3,6-二磺酸盐（R）和ZnO量子点（QDS）嵌入金属 - 有机框架中（ mofs）比例。然后，利用锌离子对铝离子的竞争协调来巧妙地调节蓝色荧光的强度，导致理想的白光与委员会Internationale de l'EclaReage（CIE）坐标（0.30,0.33）和高颜色渲染指数（CRI）值为93％。与由R盐和ZnO QDS的比率调整的比率直接制造的材料相比，原位离子调节策略使最终产品具有更高的量子效率和光稳定性。此外，由于铝离子和相同的合成系统中的锌离子的竞争协调效应，该策略也稳定了荧光的不可调音问题。这种合成策略和我们的新发现可以为设计新的白光发光材料提供更多的想法。

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  • 来源
    《RSC Advances》 |2019年第27期|共4页
  • 作者

    Liu Qian; Wu Qi-Long; Nie Man-Xiu; Zhang Da-Shuai; Zhao Jiong-Peng; Liu Fu-Chen;

  • 作者单位

    Tianjin Univ Technol Sch Chem &

    Chem Engn Tianjin Key Lab Organ Solar Cells &

    Photochem Con Tianjin 300384 Peoples R China;

    Tianjin Univ Technol Sch Chem &

    Chem Engn Tianjin Key Lab Organ Solar Cells &

    Photochem Con Tianjin 300384 Peoples R China;

    Tianjin Univ Technol Sch Chem &

    Chem Engn Tianjin Key Lab Organ Solar Cells &

    Photochem Con Tianjin 300384 Peoples R China;

    Dezhou Univ Coll Chem &

    Chem Engn Dezhou 253023 Peoples R China;

    Tianjin Univ Technol Sch Chem &

    Chem Engn Tianjin Key Lab Organ Solar Cells &

    Photochem Con Tianjin 300384 Peoples R China;

    Tianjin Univ Technol Sch Chem &

    Chem Engn Tianjin Key Lab Organ Solar Cells &

    Photochem Con Tianjin 300384 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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