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Facilely prepared carbon dots and rare earth ion doped hybrid composites for ratio-metric pH sensing and white-light emission

机译：易于制备的碳点和稀土离子掺杂的杂化复合材料，用于比率的pH感测和白光发射

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摘要

A facile method was developed to synthesize fluorescent carbon-dot Eu3+ hybrid composites (CD-Eu-HCs) by one-pot hydrothermal methods. The prepared composites demonstrate unique dual fluorescence which originates from the blue emission of the CDs and intrinsic photoluminescence of the Eu3+ ions, respectively. Moreover, such dual fluorescent characteristics show quite different responses for different pH value environments and have been developed in a ratiometric pH sensor. Lastly, they can realize white light emission by co-doping of Tb3+ and the color temperature becomes tunable by adjusting the relative proportion of Eu3+.
机译：开发了一种容易方法以通过单罐水热方法合成荧光碳 - 点EU3 +混合复合材料（CD-EU-HCS）。 制备的复合材料展示了独特的双荧光，其源自CD的蓝色发射和Eu3 +离子的内在光致发光。 此外，这种双荧光特性对不同的pH值环境显示出相当不同的反应，并且已经在比率pH传感器中开发。 最后，它们可以通过协同掺杂Tb3 +实现白光发射，通过调节Eu3 +的相对比例，色温变得可调。

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  • 来源
    《RSC Advances》 |2016年第66期|共5页
  • 作者

    Zhang Tianxiang; Zhai Yue; Wang He; Zhu Jinyang; Xu Lin; Dong Biao; Song Hongwei;

  • 作者单位

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect 2699 Qianjin St Changchun 130012 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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