Water-stable 2-D Zr MOFs with exceptional UO<sub>2</sub><sup>2+</sup> sorption capability

Panagiotou, Nikos; Liatsou, Ioanna; Pournara, Anastasia D.; Angeli, Giasemi K.; Giappa, Rafaela Maria; Tylianakis, Emmanuel; Manos, Manolis J.; Froudakis, George E.; Trikalitis, Pantelis N.; Pashalidis, Ioannis; Tasiopoulos, Anastasios J.

doi:10.1039/c9ta10701k

Cited by 33 publications

(26 citation statements)

References 79 publications

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“…This hybrid material exhibited a sorption capacity of 278 mg g –1 for UO 2 2+ . Very recently, two-dimensional (2D) Zr-MOFs, including Zr-UCY-13 and Zr-UCY-14, composed of Zr 6 nodes and angular dicarboxylate ligands, were reported for uranium adsorption (Figure d) . UCY-13 and UCY-14 were found to have remarkable stability in various types of aqueous media and high internal surface areas of 925 m 2 g –1 and 678 m 2 g –1 , respectively.…”

Section: Mof-based Ion Adsorptionmentioning

confidence: 94%

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Zirconium Metal–Organic Framework Materials for Efficient Ion Adsorption and Sieving

Hou

Wang

Zhang

2020

Ind. Eng. Chem. Res.

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Zirconium metal−organic framework (Zr-MOF) materials with excellent ion adsorption capacities and efficient ion sieving properties are highly desirable for many important industrial separation applications. There has been significant progress in the fabrication of Zr-MOF-based ion adsorbents and ion sieving membranes in recent years for efficient removal of toxic ions and/or recovery of precious metal ions from water. These Zr-MOF materials possess uniform pore sizes, high porosities, and specific functional groups for enhancing ion adsorption capacity, ion selectivity, and ion conductivity. Recent advances in the fabrication of advanced Zr-MOF-based ion adsorbents for removal of toxic cations and anions from water are summarized. Following this, recent achievements of high-quality Zr-MOF membranes/channels for efficient ion sieving are highlighted and discussed in detail. Finally, a summary and some perspectives of future developments and challenges in this exciting research field are presented.

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Section: Mof-based Ion Adsorptionmentioning

confidence: 94%

Section: Mof-based Ion Adsorptionmentioning

confidence: 99%

Zirconium Metal–Organic Framework Materials for Efficient Ion Adsorption and Sieving

Hou

Wang

Zhang

2020

Ind. Eng. Chem. Res.

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“…Tasiopoulos et al. for the first time presented 2D MOFs for uranium adsorption based on Zr 6 SBUs with flexible dicarboxylic ligands H 2 HFPBBA (4,4’‐(Hexafluoroisopropylidene)bis(benzoic acid)) and H 2 OBA (4,4’‐Oxybis(benzoic acid)), [20e] denoted as UCY‐13 and UCY‐14, respectively. The Zr 6 SBUs‐HFPBBA 2− connection and hydrophobic interactions between parallel framework layers give UCY‐13 three types of rhombic channels with different dimensions of 11.4 Å×12.7 Å, 6.7 Å×25.78 Å and 9.2 Å×12.8 Å along different axis (Figure 13a and b).…”

Section: Advanced Mofs With Well‐designed Metal Centers or Ligandsmentioning

confidence: 99%

“… Representation of the pore network of UCY‐13 along (a) a‐axis and (b) c‐axis [20e] . Reprinted with permission from ref.…”

Section: Advanced Mofs With Well‐designed Metal Centers or Ligandsmentioning

confidence: 99%

Metal‐Organic‐Framework Based Functional Materials for Uranium Recovery: Performance Optimization and Structure/Functionality‐Activity Relationships

et al. 2021

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Uranium recovery has profound significance in both uranium resource acquisition and pollution treatment. In recent years, metal‐organic frameworks (MOFs) have attracted much attention as potential uranium adsorbents owing to their tunable structural topology and designable functionalities. This review explores the research progress in representative classic MOFs (MIL‐101, UiO‐66, ZIF‐8/ZIF‐67) and other advanced MOF‐based materials for efficient uranium extraction in aqueous or seawater environments. The uranium uptake mechanism of the MOF‐based materials is refined, and the structure/functionality‐property relationship is further systematically elucidated. By summarizing the typical functionalization and structure design methods, the performance improvement strategies for MOF‐based adsorbents are emphasized. Finally, the present challenges and potential opportunities are proposed for the breakthrough of high‐performance MOF‐based materials in uranium extraction.

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“…Notably, the layered 2D materials may offer advantages over their 3D counterparts, for example allowing for post‐synthetic modification of composition and morphology, such as intercalation of layers or exfoliation to nanosheets, for enhanced performance [36–39] . Generally, however, in the group of Zr‐MOFs, 2D structures are very few and far between [40–44] …”

Section: Introductionmentioning

confidence: 99%

A Porous Sulfonated 2D Zirconium Metal–Organic Framework as a Robust Platform for Proton Conduction

Szufla

Choroś

Nitek

et al. 2022

Chemistry A European J

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By using the strategy of pre-assembly chlorosulfonation applied to a linker precursor, the first sulfonated zirconium metal-organic framework (JUK-14) with twodimensional (2D) structure, was synthesized. Single-crystal Xray diffraction reveals that the material is built of Zr 6 O 4 (OH) 4 (COO) 8 oxoclusters, doubly 4-connected by angular dicarboxylates, and stacked in layers spaced 1.5 nm apart by the presence of sulfonic groups. JUK-14 exhibits excellent hydrothermal stability, permanent porosity confirmed by gas adsorption studies, and shows high (> 10 À 4 S/cm) and low (< 10 À 8 S/cm) proton conductivity under humidified and anhydrous conditions, respectively. Post-synthesis inclusion of imidazole improves the overall conductivity increasing it to 1.7 × 10 À 3 S/cm at 60 °C and 90 % relative humidity, and by 3 orders of magnitude at 160 °C. The combination of 2D porous nature with robustness of zirconium MOFs offers new opportunities for exploration of the material towards energy and environmental applications.

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Water-stable 2-D Zr MOFs with exceptional UO₂²⁺ sorption capability

Abstract: Two 2-D Zr4+ MOFs displaying microporous structures, remarkable stability, exceptional UO22+ sorption capacity and ability to sorb and immobilize UO22+ ions from various types of real-world aqueous media are reported.

Cited by 33 publications

References 79 publications

Zirconium Metal–Organic Framework Materials for Efficient Ion Adsorption and Sieving

Zirconium Metal–Organic Framework Materials for Efficient Ion Adsorption and Sieving

Metal‐Organic‐Framework Based Functional Materials for Uranium Recovery: Performance Optimization and Structure/Functionality‐Activity Relationships

A Porous Sulfonated 2D Zirconium Metal–Organic Framework as a Robust Platform for Proton Conduction

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Water-stable 2-D Zr MOFs with exceptional UO22+ sorption capability

Abstract: Two 2-D Zr4+ MOFs displaying microporous structures, remarkable stability, exceptional UO22+ sorption capacity and ability to sorb and immobilize UO22+ ions from various types of real-world aqueous media are reported.

Cited by 33 publications

References 79 publications

Zirconium Metal–Organic Framework Materials for Efficient Ion Adsorption and Sieving

Zirconium Metal–Organic Framework Materials for Efficient Ion Adsorption and Sieving

Metal‐Organic‐Framework Based Functional Materials for Uranium Recovery: Performance Optimization and Structure/Functionality‐Activity Relationships

A Porous Sulfonated 2D Zirconium Metal–Organic Framework as a Robust Platform for Proton Conduction

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Water-stable 2-D Zr MOFs with exceptional UO₂²⁺ sorption capability