Highly recyclable cysteamine-modified acid-resistant MOFs for enhancing Hg (II) removal from water

Iron(II) Immobilized within a Metal–Organic Framework Mixed-Matrix Membrane as a H2O2 Turn-On Sensor

“…The satellite peak at 713.87 eV was attributed to Fe 2+ –O bonds. , From the O 1s spectrum shown in Figure c, the peak at 532.02 eV was attributed to Zr–O bonds from Zr 4+ with −COOH in both UiO-66-(COOH) 2 and Fe 2+ @UiO-66-(COOH) 2 . The peak at 534.01 eV in pristine UiO-66-(COOH) 2 was ascribed to the O atoms of the uncoordinated carboxyl groups . After Fe 2+ incorporation, the binding energy peak of O 1s of in Fe 2+ @UiO-66-(COOH) 2 is partly shifted toward a higher binding energy (533.71 eV), and such big shifts (0.30 eV) indicate the decrease of the electron cloud density of the O atom in the −COOH groups, suggesting the strong coordination between the Fe 2+ and −COOH groups (Figure c) .…”

Metal–organic framework for the extraction and detection of pesticides from food commodities

“…The stability of the thiol‐functionalized MOFs (MIL‐101‐SH and UiO‐66‐SH) in water was determined using inductively coupled plasma–optical emission spectrometry (ICP–OES). The results showed that Zr‐ and Cr‐based MOFs retained excellent chemical stability after thiol‐functionalization when compared to a Cu‐based MOF (HKUST‐1) (Liu et al., 2019). MIL‐53(Al)‐TDC (2,5‐thiophenedicarboxylate) shows adequate water stability, high thermal and solvent/pH stability, and hydrothermal stability (Tannert et al., 2018).…”

Direct sulfhydryl ligand derived UiO-66 for the removal of aqueous mercury and its subsequent application as a catalyst for transfer vinylation

“…24 Liu et al obtained sulfhydryl functionalized metal–organic framework (MIL-101-SH and UiO-66-SH) materials through the condensation reaction of cysteamine with the carboxyl group in the UiO-66-COOH framework. 25 Fu et al prepared a new type of UiO-66-DMTD adsorbent through the post-functionalization reaction of UiO-66-NH 2 and 2,5-dimercapto-1,3,4-thiadiazole. 26…”