Coordination Assembly and Characterization of Red-Emitting Europium (III) Organic/Inorganic Polymeric Hybrids
作者： Ying Li , Wei Chian , Xia Wang , Wentian Sha , Yiwen Zhang
DOI: 10.1111/J.1751-1097.2011.00912.X
关键词:
摘要: Novel luminescent ternary organic-inorganic-polymeric hybrid material has been assembled by Eu(3+) complex incorporating into poly (methyl methacrylate) (PMMA) matrix. The functionalized silylated precursor PDC-Si derived from PDC (2,6-pyridinedicarboxylic acid chloride) behaves as the coordination units of ion. organic polymer was introduced system directly dissolving PMMA in solution Eu(PDC-Si)(3) and N-N-Dimethyl Formamide (DMF) with subsequent addition tetraethoxysilane to promote hydrolysis condensation. structure photophysical properties resulting hybrids are characterized Fourier transform infrared spectra, X-ray diffraction (XRD), scanning electronic microscopy photoluminescence spectra. luminescence quantum yield calculated based on emission spectra lifetimes. XRD reveals its amorphous structure. Efficient energy transfer process occurs between Eu(3+), replacement water molecule first sphere confirmed comparing binary hybrid.
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