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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Lanthanide hybrids of covalently-coordination cooperative post-functionalized metal-organic frameworks for luminescence tuning and highly-selectively sensing of tetrahydrofuran
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Lanthanide hybrids of covalently-coordination cooperative post-functionalized metal-organic frameworks for luminescence tuning and highly-selectively sensing of tetrahydrofuran

机译：共价协调合作官能化金属 - 有机骨架的镧系元素用于发光调谐和高度选择性感测四氢呋喃

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摘要

A new class of Ln-MOFs (Ln = Eu, Tb, Eu/Tb, Sm) are synthesized through a post-synthetic modification of the parent MOF, UMCM-NH2. The luminescence spectra of Eu-MOF, Tb-MOF and Eu/Tb-MOF exhibit the characteristic emission bands of ligands and corresponding Ln(3+), particularly Eu3+. Multi-color luminescence could be modulated by adjusting the excitation wavelength of the Eu-MOF and Tb-MOF. What's more, white-light emission may be realized by co-doping the Eu3+ and Tb3+ due to the synergistic contribution of the three luminescence centers. In addition, the Eu-MOF is selected as a luminescence sensor to explore the potential of sensing organic small molecules. Most interestingly, it exhibits a highly selective, sensitive and rapid response to THE, which could be distinguished easily by the naked eye under UV-light irradiation. Consequently, Eu-MOF is a promising candidate as the "turn on" fluorescent probe for detecting THE that has been rarely reported.
机译：通过亲本MOF，UMCM-NH2的合成后修饰来合成一类新的LN-MOF（LN = EU，TB，EU / TB，SM）。 Eu-MOF，TB-MOF和EU / TB-MOF的发光光谱表现出配体的特征发射带和相应的LN（3+），特别是EU3 +。 通过调节EU-MOF和TB-MOF的激发波长，可以调节多色发光。 更重要的是，由于三个发光中心的协同贡献，可以通过协同掺杂EU3 +和TB3 +来实现白光发射。 另外，选择EU-MOF作为发光传感器，以探讨感测有机小分子的电位。 最有趣的是，它表现出对紫外线辐射下肉眼可以轻易区分的高度选择性，敏感和快速的反应。 因此，Eu-Mof是有希望的候选者，作为“开启”荧光探针，用于检测很少报道的荧光探针。

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    Zheng Hao-Yang; Lian Xiao; Qin Si-jia; Yan Bing;

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    Tongji Univ Shanghai Key Lab Chem Assessment &

    Sustainabil Sch Chem Sci &

    Engn Siping Rd 1239 Shanghai 200092 Peoples R China;

    Tongji Univ Shanghai Key Lab Chem Assessment &

    Sustainabil Sch Chem Sci &

    Engn Siping Rd 1239 Shanghai 200092 Peoples R China;

    Tongji Univ Shanghai Key Lab Chem Assessment &

    Sustainabil Sch Chem Sci &

    Engn Siping Rd 1239 Shanghai 200092 Peoples R China;

    Tongji Univ Shanghai Key Lab Chem Assessment &

    Sustainabil Sch Chem Sci &

    Engn Siping Rd 1239 Shanghai 200092 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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