Abstract
A highly stable fluorescent terbium MOF (Tb4(paip)6·1.2H2O, paip = 5-(1H-pyrazole-4-yl)isophthalate) showing a sharp green emission (545 nm) and a quantum yield of 21.0% was successfully synthesized. This compound is shown to be a recyclable sensor for detecting picric acid in aqueous solution with both high sensitivity and selectivity, attributed to the electron transfer quenching mechanism.
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