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Dye Encapsulated Metal-Organic Framework for Warm-White LED with High Color-Rendering Index

机译：具有高显色指数的暖白LED染料封装的金属有机框架

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摘要

A strategy by encapsulating organic dyes into the pores of a luminescent metal-organic framework (MOF) is developed to achieve white-light-emitting phosphor. Both the red-light emitting dye 4-(p-dimethylaminostyryl)-1-methylpyridinium (DSM) and the green-light emitting dye acriflavine (AF) are encapsulated into a blue-emitting anionic MOF ZJU-28 through an ion-exchange process to yield the MOFdye composite ZJU-28DSM/AF. The emission color of the obtained composite can be easily modulated by simply adjusting the amount and component of dyes. With careful adjustment of the relative concentration of the dyes DSM and AF, the resulting ZJU-28DSM/AF (0.02 wt% DSM, 0.06 wt% AF) exhibits a broadband white emission with ideal CIE coordinates of (0.34, 0.32), high color-rendering index value of 91, and moderate correlated color temperature value of 5327 K. Such a strategy can be easily expanded to other luminescent MOFs and dyes, thus opening a new perspective for the development of white light emitting materials.
机译：通过将有机染料包封到发光金属-有机骨架（MOF）的孔中的策略得到发展，以实现发白光的荧光粉。通过离子交换过程将发红光的染料4-（对二甲基氨基苯乙烯基）-1-甲基吡啶（DSM）和发绿光的染料a黄素（AF）封装到发蓝光的阴离子MOF ZJU-28中得到MOFdye复合材料ZJU-28DSM / AF。通过简单地调节染料的量和组分，可以容易地调节获得的复合物的发射颜色。通过仔细调整染料DSM和AF的相对浓度，所得ZJU-28DSM / AF（0.02 wt％DSM，0.06 wt％AF）呈现宽带白色发射，理想CIE坐标为（0.34，0.32），高色度-显色指数值为91，相关色温值为5327K。这种策略可以轻松扩展到其他发光MOF和染料，从而为白色发光材料的开发开辟了新的前景。

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  • 来源
    《Advanced Functional Materials》 |2015年第30期|4796-4802|共7页
  • 作者

    Cui Yuanjing; Song Tao; Yu Jiancan; Yang Yu; Wang Zhiyu; Qian Guodong;

  • 作者单位

    Zhejiang Univ, Sch Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China;

    Zhejiang Univ, Sch Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China;

    Zhejiang Univ, Sch Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China;

    Zhejiang Univ, Sch Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China;

    Zhejiang Univ, Sch Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China;

    Zhejiang Univ, Sch Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    luminescence; metal-organic frameworks; organic dyes; phosphor; white light;

    机译：发光;金属有机骨架;有机染料;磷;白光;

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