Kong Ying
2009
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Journal
Chinese Journal of Luminescence
Abstract
5-sulfosalicylic acid was modified by the amidation reaction by a crosslinking molecule (3-amino-propyl)trimethoxysilane. The modified functional ligand further behaves as a bridge both coordinates to terbium ion and occurs by in-situ sol-gel process with tetraethoxysilane, resulting in a novel hybrid material. Ultraviolet absorption and nuclear magnetic resonance were applied to characterize the obtained hybrid mate-rial. Fluorescence spectra showed the strong luminescence of terbium ion in the complex.