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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Sensitization of NIR Photoluminescence of Lanthanides in [ LnLn Cl 33 (tppe) 22 (thz) 22 ] by transtrans ‐1‐(2‐pyridyl)‐2‐(pyridyl)ethylene
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Sensitization of NIR Photoluminescence of Lanthanides in [ LnLn Cl 33 (tppe) 22 (thz) 22 ] by transtrans ‐1‐(2‐pyridyl)‐2‐(pyridyl)ethylene

机译:[Ⅰ> Ln C1.3 3(TPPE) 2(THz) 2 镧系元素镧系镧的荧光光致发光的敏化 2]通过反式 - (2-吡啶基)-2-(吡啶基)乙烯

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摘要

> In order to evaluate the structural and spectroscopic influence of further pyridyl ligands, e.g. as sensitizers for Ln 3+ ‐based photoluminescence, the ligand trans ‐1‐(2‐pyridyl)‐2‐(pyridyl)ethylene (tppe) was selected. In reactions with trivalent chlorides of the lanthanides and thiazole (thz), complexes of the formula [ Ln Cl 3 (tppe) 2 (thz) 2 ] were obtained for Ln = Nd, Tb, Ho, Er. They are isotypic along the series of the lanthanides and provide ligand sensitizer functions for the Ln ‐luminescence emission of Nd 3+ and Er 3+ in the near infrared region. Alike 1,2‐bis(4‐pyridyl)ethylene, no sensitization is observed for the 4f‐based emission of Tb 3+ in the visible.
机译: >,以评估另外的吡啶基配体的结构和光谱影响,例如,。作为 Ln 3 + 基于光致发光的敏化剂,该配体反式-1-(2-吡啶基)-2-(吡啶基)乙烯(选择了TPPE)。在与镧系元素和噻唑(THz)的三价氯化物的反应中,式[ Ln Cl 3 (TPPE) 2 (thz)获得 2 为 ln = nd,tb,ho,er。它们是沿镧系元素系列的同种型,并为 Ln - 发光发射的LigAnd敏化剂功能提供Nd 3 + 和Er 3 + 近红外地区。相似的1,2-双(4-吡啶基)乙烯,在可见的4F基Tb 3 + / sup>中没有观察到敏化。

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