Abstract
Herein, a multifunctional mechanochromic Metal-Organic Framework (HPU-27) was designed for detecting water in THF and adsorbing Cr(VI) from contaminated water. The probe displays a reasonable quenching response for H2O over a concentration range of 0–80% with a detection limit of 0.039%, accompanied by an obvious fluorescent color transformation from yellow to colorless. The detection mechanism of HPU-27 toward H2O was proved as the alternation of the physical states between aggregation and dispersion in THF and H2O. Meanwhile, the HPU-27 material showed a good ability to adsorb Cr(VI) from contaminated water. The maximum adsorption capacity is 294.94 mg/g. In addition, the adsorption mechanism was discussed in detail. Thus, we believe that our strategy is promising extensively for the development of multifunctional MOF materials.
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