Attractive sulfonamide bridging bonds constructing lanthanide centered photoactive covalent hybrids
Attractive sulfonamide bridging bonds constructing lanthanide centered photoactive covalent hybrids
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DOI：
10.1016/j.jnoncrysol.2006.08.031
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发表时间：
2006-12
影响因子：
3.5
通讯作者：
Haifeng Lu;B. Yan
中科院分区：
文献类型：
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作者：
Haifeng Lu;B. Yan
首次制备了一种新型的溶胶-凝胶有机-无机杂化材料，即酰胺衍生物的有机部分与3-氨丙基三甲氧基硅烷接枝，并通过磺酰胺键共价连接。用傅里叶变换红外光谱（FTIR）、紫外吸收光谱（UV）和核磁共振氢谱（1H NMR）对修饰进行了表征，并用X射线衍射（XRD）对修饰前后的结构进行了表征。记录了材料的磷光光谱和发光光谱。酰胺和镧系离子之间的有效的分子内能量转移过程发生在这些分子为基础的混合物。Tb 3+和Sm 3+离子分别获得了强的绿色和红色发射。
A new kind of sol–gel derived organic–inorganic hybrid material was prepared for the first time.In this case the organic portion of an acylamine derivation grafted by 3-aminopropyl trimethoxysilane and covalently linked together via sulfonamide linkages. Fourier transform infrared (FTIR), in ultraviolet absorption (UV) spectra and1H nuclear magnetic resonance (NMR) spectra were used to confirm these modifications and the X-ray diffraction (XRD) spectra were used to determine the framework. The material’s phosphorescent spectra and luminescence spectra were recorded. An efficient intramolecular energy transfer process between acylamine and lanthanide ions took place within these molecular-based hybrids. Strong green and red emissions were achieved for Tb3+and Sm3+ions, respectively.