Abstract
SBA-Pr-N-BFE was designed as a chemosensor starting from mesoporous silica SBA-15, (3-aminopropyl)trimethoxy silane, and 1,2-bis(2-formylphenoxy)ethane (BFE), characterized by various techniques and applied as a selective fluorescent chemosensor. Photoluminescence (PL) spectroscopy has been employed to examine the sensing prowess of the functionalized SBA-Pr-N-BFE, which could selectively detect the Fe3+ ions in H2O over various metal ions; notable quenching in the fluorescence intensity was discerned after adding Fe3+ ions in H2O. Furthermore, the fluorescence studies established the linear correlation of fluorescence intensity of SBA-Pr-N-BFE and the concentration of Fe3+ ions with a detection limit of 1.209 × 10-6 M.
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