Abstract
Through the extraction reaction of hydrogen atoms of methylene group of trifluoroacetylacetone (TFA) has been functionalized by a novel crosslinking reagent was firstly modified by 3-(triethylsilyl)-propyl-isocyanate (TEPIC), the double reactive molecular bridge (TFASi) has been achieved. Subsequently, using its carbonyl oxygen atom of amide group coordinated to terbium ions, the luminescent terbium molecular-based hybrids have been constructed from the cohydrolysis and copolycondensation process with the two similar alkoxy groups of both molecular bridge and tetraethyl orthosilicate (TEOS). The composition, structure and especially the photophysical properties of the molecular bridge and corresponding molecular-based hybrids have been discussed with a variety of spectroscopic methods (FTIR, 1 H NMR and 13 C NMR, UV, phosphorescent and luminescent spectra).
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