Synthesis and characterization of a holmium 2,2′-bipyridine-5,5′-dicarboxylate MOF: Towards the construction of a suitable holmium carrier

Vizuet, Juan P.; Lewis, Abigail L.; McCandless, Gregory T.; Balkus, Kenneth J.

doi:10.1016/j.poly.2018.11.036

Cited by 14 publications

(9 citation statements)

References 37 publications

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“…[20][21][22][23][24][25] The RE metal ions tend to form dimers that oen result in MOFs with low porosity. [26][27][28] It has been widely reported that the addition of a modulator can result in RE-MOFs with larger metal clusters. [29][30][31][32] Modulators were originally designed to bind to metal ions to control crystallization rates, oen leading to larger X-ray quality crystals.…”

Section: Introductionmentioning

confidence: 99%

Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs

et al. 2022

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Section: Introductionmentioning

confidence: 99%

Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs

et al. 2022

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“…We have previously synthesized holmium-based MOFs (Ho-MOFs), in part because holmium can be neutron activated and used for radiotherapy. − Generally, using benzene dicarboxylate (BDC) or related linkers resulted in MOFs only containing Ho 3+ dimers. Therefore, we tested 2-fba as a modulator, since the reported clusters in these MOFs impart better stabilities.…”

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confidence: 99%

Fluoro-Bridged Clusters in Rare-Earth Metal–Organic Frameworks

et al. 2021

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The modulator 2-fluorobenzoic acid (2-fba) is widely used to prepare RE clusters in metal–organic frameworks (MOFs). In contrast to known RE MOF structures containing hydroxide bridging groups, we report for the first time the possible presence of fluoro bridging groups in RE MOFs. In this report we discuss the synthesis of a holmium-UiO-66 analogue as well as a novel holmium MOF, where evidence of fluorinated clusters is observed. The mechanism of fluorine extraction from 2-fba is discussed as well as the implications that these results have for previously reported RE MOF structures.

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“…The infrared spectra of PNH and PNH-Fe(III) are shown in Figure S1a. The CO and C–N bonds of BPDCA have absorptions at 1735 and 1400 cm –1 , respectively . The N–H bond of 1,4,8,11-tetraazacyclotetradecane has an obvious absorption peak at 3270 cm –1 , and a characteristic peak corresponding to Fe 2 O 3 appears at about 460 and 560 cm –1 , indicating that the surface of the nanoparticles has been successfully wrapped by the polymer.…”

Section: Resultsmentioning

confidence: 99%

“…The CO and C−N bonds of BPDCA have absorptions at 1735 and 1400 cm −1 , respectively. 16 The N−H bond of 1,4,8,11-tetraazacyclotetradecane has an obvious absorption peak at 3270 cm −1 , 17 and a characteristic peak corresponding to Fe 2 O 3 appears at about 460 and 560 cm −1 , 18 indicating that the surface of the nanoparticles has been successfully wrapped by the polymer. We performed a thermal stability test, TGA, on PNH, Fe 2 O 3, and Fe 2 O 3 @PNH to detect their stability and to help us determine the optimal hydrothermal temperature.…”

Section: Resultsmentioning

confidence: 99%

Polymer-Coated Fe₂O₃ Nanoparticles for Photocatalytic Degradation of Organic Materials and Antibiotics in Water

Zhang

Liu

Zhou

et al. 2020

ACS Appl. Nano Mater.

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A novel crosslinked copolymer, poly (1,4,8,11-cyclotetradecane [2,2-bipyridine]-5,5-dicarboxamine) (PNH), was synthesized in high yield via a simple condensed polymerization at 45 °C. PNH exhibited a strong affinity with Fe 3+ ions in water, and the absorbance capacity of Fe 3+ in water reaches 350 mg g −1 PNH. The obtained polymeric metal complex, PNH-Fe, can be converted into PNH-covered Fe 2 O 3 nanoparticles by moderate hydrothermal treatment. Fe 2 O 3 @PNH becomes an excellent photocatalyst for the removal of water-soluble organic pollutants. Even if Fe 2 O 3 @PNH is at low catalyst loadings (0.1 g/L), it still has an excellent performance because of enhanced charge separation through the interaction between PNH and Fe 2 O 3 . Fe 2 O 3 @PNH exhibits better catalytic performance (∼90% for tetracycline (TC), 50 ppm) than pure Fe 2 O 3 (up to 3 times). This work not only broadens the synthetic utility of Fe 2 O 3 but also shows promising potential of Fe 2 O 3 for use in the treatment of water pollution.

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Synthesis and characterization of a holmium 2,2′-bipyridine-5,5′-dicarboxylate MOF: Towards the construction of a suitable holmium carrier

Cited by 14 publications

References 37 publications

Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs

Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs

Fluoro-Bridged Clusters in Rare-Earth Metal–Organic Frameworks

Polymer-Coated Fe₂O₃ Nanoparticles for Photocatalytic Degradation of Organic Materials and Antibiotics in Water

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Synthesis and characterization of a holmium 2,2′-bipyridine-5,5′-dicarboxylate MOF: Towards the construction of a suitable holmium carrier

Cited by 14 publications

References 37 publications

Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs

Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs

Fluoro-Bridged Clusters in Rare-Earth Metal–Organic Frameworks

Polymer-Coated Fe2O3 Nanoparticles for Photocatalytic Degradation of Organic Materials and Antibiotics in Water

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Product

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Polymer-Coated Fe₂O₃ Nanoparticles for Photocatalytic Degradation of Organic Materials and Antibiotics in Water