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首页> 外文期刊>Inorganic Chemistry Communications >Synthesis, characterization and photoluminescence properties of a benzoic modified lanthanide-containing polyoxometalate
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Synthesis, characterization and photoluminescence properties of a benzoic modified lanthanide-containing polyoxometalate

机译:苯甲酸盐含镧的多氧化胍酸盐的合成,表征和光致发光性质

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摘要

One benzoic modified lanthanide-containing polyoxometalate (LCP) [N(CH3)(4)](3)K-2[Ho(C7H5O2)(H2O)(2)(alpha-PW11O39)]center dot 11H(2)O (1) was successfully synthesized and further characterized by single crystal X-ray diffraction analyses, elemental analyses, powder X-ray diffraction (PXRD), thermogravimetric analyses (TGA) and IR spectroscopy. The single crystal X-ray diffraction analyses indicate that both benzoic acid ligand and [alpha-PW11O39](7-) group directly coordinate Ho3+ center for the formation of a ternary system in 1. In addition, the polyanion of 1 can further form a 3D framework via the bridging K1 and K2 ions. The investigation of photoluminescence of 1 shows that 1 exhibits orange emission due to the characteristic f-f transitions of Ho3+ ion in the emission spectrum of 1.
机译:一种苯甲酸苯甲酸镧的多氧化硅酸盐(LCP)[N(CH 3)(4)](3)K-2 [HO(C7H5O2)(H 2 O)(2)(α-PW11O39)]中心点11H(2)O( 1)通过单晶X射线衍射分析,元素分析,粉末X射线衍射(PXRD),热重分析(TGA)和IR光谱,进一步表征。 单晶X射线衍射分析表明,苯甲酸配体和α-α-PW11O39](7-)基团直接坐标,以便在1.另外,1的聚阴离子可以进一步形成a 通过桥接K1和K2离子的3D框架。 图1的光致发光的研究表明,由于HO3 +离子的特征F-F转变为1的发射光谱,1表现出橙色发射。

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