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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >4,5-Dichlorophthalate-Extended Lanthanide Coordination Polymers with Layer and Ribbon Motifs: Synthesis, Structure, and Luminescence
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4,5-Dichlorophthalate-Extended Lanthanide Coordination Polymers with Layer and Ribbon Motifs: Synthesis, Structure, and Luminescence

机译:具有层和带基序的4,5-二氯邻苯二甲酸盐延伸的镧系元素配位聚合物:合成,结构和发光

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摘要

Five new 4,5-dichlorophthalate (dcpa)-extended lanthanide coordination polymers (CPs) with formulas [Ln(2)(H2O)(dcpa)(3)](n) (Ln = Tb for 1, Sm for 2, Pr for 3, and Nd for 4) and [Yb(H2O)(2)(dcpa)(Hdcpa)](n) (5) were solvothermally synthesized. Structural determinations demonstrate that CPs 1-4 are crystallographically isostructural, exhibiting an infinite two-dimensional layer with dimeric {Ln(2)(COO)(3)} subunits extended by aromatic skeleton of fully deprotonated dcpa(2-) connectors. In contrast, complex 5 features a one-dimensional broad ribbon with centrosymmetric {Yb-2(COO)(2)} subunits propagated by pairs of ditopic dcpa(2-) ligands. Interestingly, the anionic dcpa(2-) connector can serve as a good antenna ligand to sensitize the characteristic emissions of the different Ln(III) ions in both the ultraviolet (for 1-3) and near-infrared (for 4 and 5) regions.
机译:用式[Ln(2)(H2O)(DCPA)(DCPA)(3)](N)(LN = TB,2,2,2,2,2,3,2,Pr 2,Pr 2,Pr 2,Pr 2,Pr 2,Pr 2,Pr 2,Pr 2,Pr)的五种新的4,5-二氯邻苯二甲酸镧配方(CPS)(CPS)(LN = Tb,3,Pr 对于3,Nd 4)和[Yb(H 2 O)(2)(2)(DCPA)(HDCPA)](N)(N)(5)在溶剂上合成。 结构测定表明,CPS 1-4是晶体性的,具有通过完全去质子化的DCPA(2-)连接器的芳族骨架的二聚体{Ln(2)(2)(CoO)(3)}亚基的无限二维层。 相反,复合物5具有一维的宽带,其具有亚光寡丝{YB-2(COO)(2)}亚基通过对DIToPIC DCPA(2-)配体传播。 有趣的是,阴离子DCPA(2-)连接器可以用作良好的天线配体,以使紫外线(1-3)和近红外(4和5)敏感不同LN(III)离子的特征发射 地区。

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  • 作者单位

    Tianjin Normal Univ Tianjin Key Lab Struct &

    Performance Funct Mol Key Lab Inorgan Organ Hybrid Funct Mat Chem Coll Chem Minist Educ Tianjin 300387 Peoples R China;

    Tianjin Normal Univ Tianjin Key Lab Struct &

    Performance Funct Mol Key Lab Inorgan Organ Hybrid Funct Mat Chem Coll Chem Minist Educ Tianjin 300387 Peoples R China;

    Tianjin Normal Univ Tianjin Key Lab Struct &

    Performance Funct Mol Key Lab Inorgan Organ Hybrid Funct Mat Chem Coll Chem Minist Educ Tianjin 300387 Peoples R China;

    Tianjin Normal Univ Tianjin Key Lab Struct &

    Performance Funct Mol Key Lab Inorgan Organ Hybrid Funct Mat Chem Coll Chem Minist Educ Tianjin 300387 Peoples R China;

    Tianjin Normal Univ Tianjin Key Lab Struct &

    Performance Funct Mol Key Lab Inorgan Organ Hybrid Funct Mat Chem Coll Chem Minist Educ Tianjin 300387 Peoples R China;

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

    Lanthanide-based coordination polymer; Lanthanides; Antenna effect; Luminescence; Energy transfer;

    机译:基于镧系元素的配位聚合物;镧系;天线效应;发光;能量转移;

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