Screening of hierarchical porous UiO-67 for efficient removal of ...
2022年6月1日 · Defective UiO-67 showed superior anti-interference ability and high reusability for glyphosate. Defective UiO-67 can effectively remove glyphosate from different synthetic wastewater. Mechanisms contributed to glyphosate adsorption by defective UiO-67 were traced.
Quantification of Linker Defects in UiO-Type Metal–Organic …
2023年5月8日 · (a) TGA results for UiO-67-AA, (b) UiO-67-FA, and (c) UiO-67-BIPY-BA. The samples were heated from 30–800 °C with two isothermal regions which were kept for 2 h at 200 and 400 °C. The red dashed line indicates the theoretical …
(A) Thermogravimetric Analysis (TGA) of UiO-67, (B) the zeta …
This study involved the synthesis of the UiO-67 metal-organic framework; UiO-67 is a well-known type of MOF obtained by coordinating the Zr6O4(OH)4 metal unit with the...
UiO-67 metal-organic frameworks with dual amino/iodo …
2024年9月15日 · Zr/Ce 29 % -UiO-67 (NH 2, I) exhibits exceptional CO 2 uptake capacity compared to pristine UiO-67 and many established MOFs. This work demonstrates a successful strategy for incorporating various functionalities into MOFs, paving the way for the design of highly selective and efficient PCR catalysts for MeOH production.
Functionalized Zr-UiO-67 metal-organic frameworks: Structural landscape ...
2021年10月15日 · TGA analysis clearly illustrated the chemical stability of UiO-67 MOFs is up to 500–600 °C. As we discussed in the previous section, the linker provides a scaffold to modify by different functional groups.
In Situ Infrared Spectroscopic and Gravimetric Characterisation of …
2013年5月21日 · The spectra recorded on UiO-66 feature multiple bands corresponding to chemically inequivalent isolated hydroxyl groups, whereas UiO-67 has the expected single μ3-OH band from the Zr6O4(OH)4 cornerstone. Complete rehydration is demonstrated on both materials.
Harnessing Oxidation‐State Control In Cu‐Based Mixed‐Linker UiO‐67 …
2025年3月11日 · The overall set of data confirms the low defectivity of the UiO-67-1 material (i. e., the amount of missing linkers around 10 %), evaluated by combining the TGA and 1 H-NMR results, as recently reported 51 and also illustrated in a specific paper devoted to the comparison between UiO-66 and UiO-67. 52 TGA performed in synthetic air does not ...
Fig. S10 TGA thermograms for the activated UiO-67 (blue
In the present contribution, a series of novel composites (UiO-67@CNTs) composed of microporous UiO-67 (Zr6O4(OH)4(CO2)12) and mesoporous CNTs (carbon nanotubes) have been innovatively...
溶剂热法合成纳米配位聚合物UiO-67及有机染料吸附性能研究
【摘 要】利用配位调节剂辅助溶剂热法可控合成了纳米配位聚合物Ui O-67, 利用扫描电子显微镜(FESEM) 、X射线粉末衍射(XRD) 、傅里叶-红外光谱(FT-IR) 和差热分析(TGA) 等手段进行结构表征.由于Ui O-67纳米材料具有大的比表面积和孔体积, 制备的纳米材料对甲基橙具有 ...
Stability and adsorption performance of UiO-67 for uranium(VI) in ...
2023年12月14日 · The thermal stability of UiO-66 and UiO-67 was performed using a simultaneous thermal analyser (TGA/DSC 1, Mettler-Toledo, Switzerland) at a temperature range of 30–800 °C under N 2 flow. The functional groups of the pristine and uranium-absorbed UiO-67 were identified by a Fourier transform infrared spectroscopy (FTIR, IRAffinity-1S ...