Y4O2(CN2)3Cl2, Its Relation to the Metal-Rich Y2Cl3, and the Photoluminescence of Y4O2(CN2)3Cl2:Ce

被引：2

作者：

Brand, Catharina-Darine ^{[1
]}

Stroebele, Markus ^{[1
]}

Enseling, David ^{[2
]}

Juestel, Thomas ^{[2
]}

Meyer, H. -Juergen ^{[1
]}

机构：

[1] Univ Tubingen, Inst Inorgan Chem, Sect Solid State & Theoret Inorgan Chem, Morgenstelle 18, D-72076 Tubingen, Germany

[2] Univ Appl Sci, Dept Chem Engn, Stegerwaldstr 39, D-48565 Steinfurt, Germany

来源：

JOURNAL OF CLUSTER SCIENCE | 2024年 / 35卷 / 01期

关键词：

Solid-state metathesis; Carbodiimide; Rare earth; Luminescence; Structure elucidation; SESQUICHLORIDE; MONOCHLORIDE; YTTRIUM; SYSTEMS;

D O I：

10.1007/s10876-023-02463-2

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Y4O2(CN2)(3)Cl-2 and some isotypic rare earth (RE) carbodiimides RE4O2(CN2)(3)Cl-2 (RE = Sm, Gd, Tb) were prepared by solid-state metathesis reaction between RECl3, REOCl and Li2CN2. The crystal structure of Y4O2(CN2)(3)Cl-2 was solved and refined from single-crystal XRD data with the monocline space group C2/m. Homologous compounds with RE = Sm, Gd, Tb were assigned isotypically by means of XRD powder diffraction. The structure of Y4O2(CN2)(3)Cl-2 is characterized by one-dimensional cluster chains which are showing a striking resemblance to the trans-edge bridging RE6-octahedra in the structures of Y2Cl3, & beta;-Y2Cl3N, and RE2N(CN2)Cl, despite different numbers of cluster electrons. Crystals of RE4O2(CN2)(3)Cl-2 appear as transparent rods. The presence of (NCN)(2-) ions is confirmed by infrared spectroscopy. Y4O2(CN2)(3)Cl-2, doped with Ce3+ is a photoluminescent material that is showing an emission band in the orange region (& lambda; = 550 nm) of the visible spectrum.

引用

页码：101 / 107

页数：7

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