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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Eu3+/ Tb3+functionalized Bi- based metal- organic frameworks toward tunable white- light emission and fluorescence sensing applications
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Eu3+/ Tb3+functionalized Bi- based metal- organic frameworks toward tunable white- light emission and fluorescence sensing applications

机译：EU3 + / TB3 +官能化双基金 - 有机框架朝向可调性白光发射和荧光传感应用

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摘要

The rational design strategy to construct lanthanide ion functionalized metal organic frameworks (MOFs) has attracted tremendous attention as they are promising candidates for developing novel luminescence materials and optical sensors owing to their intense, long-lived and tunable luminescence performances. In this work, a series of Eu3+/Tb3+ singly doped or codoped bismuth-based MOFs were prepared under in situ facile solvothermal conditions using BiOBr nanoplates as bismuth resources. A red-green-blue-based trichromatic white-light emission can be finely achieved by modulating the doping ratio of Eu3+/Tb3+ in the blue-emitting Bi-MOF host material and such photoluminescence tuning can also be realized by controlling the excitation wavelength. In addition, the Eu3+/Tb3+ singly incorporated Bi-MOF can serve as a multifunctional fluorescent probe for sensing Fe3+ and Cr2O72- ions in aqueous solution, as well as small organic pollutants of acetone molecules, and their sensing mechanisms have also been analyzed. These lanthanide ion functionalized Bi-MOF materials exhibit great potential in exploring white-light emitting devices and construction of supersensitive multifunctional sensors.
机译：构建镧系元素官能化金属有机框架（MOFS）的理性设计策略引起了巨大的关注，因为它们是由于其强烈，长期和可调的发光性能而开发新颖的发光材料和光学传感器的候选者。在这项工作中，使用BioBR纳米板作为铋资源，在原位容纳溶液状况下制备一系列Eu3 + / Tb3 +单掺杂或基于铋的MOF。通过调节蓝色发射Bi-MOF主机材料中的Eu3 + / Tb3 +的掺杂比，可以通过控制激发波长来实现掺杂的Bi-Mof主体材料的掺杂比，并且可以通过控制激发波长来精确实现一款红色的三色性白光发射。此外，Eu3 + / Tb3 +单掺入的Bi-Mof可以用作对水溶液中的Fe3 +和Cr2O72-丙酮分子的小有机污染物的多功能荧光探针，以及它们的传感机制也已经分析。这些镧系元素官能化的Bi-Mof材料在探索白光发光装置和超敏多功能传感器的构造方面表现出极大的潜力。

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    Xu Lifei; Xu Yan; Li Xianliang; Wang Zhuopeng; Sun Ting; Zhang Xia;

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    Northeastern Univ Coll Sci Dept Chem Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ Coll Sci Dept Chem Shenyang 110819 Liaoning Peoples R China;

    Shenyang Univ Chem Technol Coll Mat Sci &

    Engn Shenyang 110142 Liaoning Peoples R China;

    Northeastern Univ Coll Sci Dept Chem Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ Coll Sci Dept Chem Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ Coll Sci Dept Chem Shenyang 110819 Liaoning Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;无机化学;
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