2019
DOI: 10.1021/acs.inorgchem.9b00104
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Hydrolytically Stable Nanotubular Cationic Metal–Organic Framework for Rapid and Efficient Removal of Toxic Oxo-Anions and Dyes from Water

Abstract: Cationic framework materials capable of removing anionic pollutants from wastewater are highly desirable but relatively rarely reported. Herein, a cationic MOF (SCNU-Z1-Cl) possessing tubular channels with diameter of 1.5 nm based on Ni­(II) and a nitrogen-containing ligand has been synthesized and applied to capture hazardous anionic contaminants from water. The SCNU-Z1-Cl exhibits high BET surface area of 1636 m2/g, and shows high hydrolytically stability in pH range from 4 to 10. Owing to the large tubular … Show more

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Cited by 121 publications
(82 citation statements)
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“…In view of the different charge and molecular size of dye molecules, ionic metal-organic framework materials have great development prospects in the enrichment of toxic dye molecules because of its electrostatic interaction. [26][27][28][29][30][31][32][33][34][35][36][37][38][39] Gao [27] 4 ] cluster and tetratopic bis(isophthalic acid) linker have attracted extensive attention because of their ion nature and tunable pore size as the linker length changes. Based on the above considerations, it is believed that the intrinsic nature of NOTT-210 with suitable pore size has great advantages in achieving faster and more efficient adsorption and separation for different sizes of dye molecules.…”
Section: Introductionmentioning
confidence: 99%
“…In view of the different charge and molecular size of dye molecules, ionic metal-organic framework materials have great development prospects in the enrichment of toxic dye molecules because of its electrostatic interaction. [26][27][28][29][30][31][32][33][34][35][36][37][38][39] Gao [27] 4 ] cluster and tetratopic bis(isophthalic acid) linker have attracted extensive attention because of their ion nature and tunable pore size as the linker length changes. Based on the above considerations, it is believed that the intrinsic nature of NOTT-210 with suitable pore size has great advantages in achieving faster and more efficient adsorption and separation for different sizes of dye molecules.…”
Section: Introductionmentioning
confidence: 99%
“…[16] Regardless, cationic frameworks have shown impressive success in the sequestration of anions as the uncoordinated or weakly-coordinated counter ions in the framework provide an excellent platform for anion-exchange. [15] Early reports of anion exchanging, cationic MOFs are mainly 1D or 2D anion-layered coordination polymers developed in the early 2000s. In 2002, Ziegler and coworkers reported a crystalline coordination polymer Pb[B(Im)4](NO3) composed of Pb(NO3)2 and tetrakis(imidazolyl)borate, B(Im)4 − .…”
Section: Cationic Mofsmentioning
confidence: 99%
“…This is important as EOCs not only encompass large molecules such as antibiotics, cationic and anionic dyes, herbicides and pesticides, but also waste ions from nuclear waste management systems (such as TcO4 − and SO4 2− ), and other small ionic salts (AsO4 3− , SeO3 2− , SeO4 2− ). [15][16][17] An ever-increasing improvement of the speed and precision of advanced technologies simultaneously leads to a requirement of more advanced and accurate sensing devices. This is predominantly seen in the fields of environmental pollutant capture and medical devices, where rapid detection of a particular analyte is often of great consequence.…”
Section: Introductionmentioning
confidence: 99%
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“…However, compared with anionic and neutral porous materials, cationic porous materials are still very limited, [1][2][3][4] especially those with hydrolytic stability. Anion-exchange resins, [5] layered double hydroxides (LDH), [6][7] cationic metal-organic frameworks (MOFs), [5,[8][9][10][11][12] and cationic polymeric networks (CPNs) [2,[13][14] are the main cationic porous materials, among which MOF is a kind of porous material that has attracted much attention in recent years due to its high surface area, tunable porosity, and structural diversity. Considering that the function of cationic MOFs mainly results from their metal-organic coordination voids, it is worth designing and constructing new cationic materials with this kind of cavity.…”
Section: Introductionmentioning
confidence: 99%