Novel Hydrophobic Functionalized UiO-66 Series: Synthesis,Characterization, and Evaluation of Their Structural andPhysical–Chemical Properties
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2024
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A novel set of four functionalized hydrophobic UiO-66-NHR series were synthesized through post synthetic procedures, utilizing various benzoyl chlorides and UiO-66-NH2as starting materials. This synthesis method was carried out by employing p- (1) and o-toluoyl (2), as well as2- (3)and 4-fluorobenzoyl (4) substituents. The analysis of the resulting compounds was performe dusing conventional spectroscopic methods such as FT-IR and1H NMR to quantify the conversion rate into amide. Furthermore, SEM and XPS techniques were employed for morphological and surface analysis. Finally, the evaluation of the chemical stability and contact angle using the sessile drop method was performed to evaluate the technological potential of these compounds for application ina queous and acidic media (such as selective separation of different metals and wastewater recovery