Exceptional TcO4− sorption capacity and highly efficient ReO4− luminescence sensing by Zr4+ MOFs

Rapti, Sofia; Diamantis, Stavros A.; Dafnomili, Argyro; Pournara, Anastasia D.; Skliri, Euaggelia; Armatas, Gerasimos S.; Tsipis, Athanassios C.; Spanopoulos, Ioannis; Malliakas, Christos D.; Kanatzidis, Mercouri G.; Plakatouras, John C.; Noli, F.; Lazarides, Theodore; Manos, Manolis J.

doi:10.1039/c8ta07901c

Cited by 57 publications

(49 citation statements)

References 35 publications

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“…Theoretical calculation was carried out to further explore the structural information on ReO 4 – @PCN-993 via density functional theory calculations in the theoretical level of PBE/DNP using the DMol software (Figure S29). Consistent with the SCXRD studies, the Re1 anion binds to the framework via two amino groups, while Re2 is stabilized via C/O–H···O interactions, along with adsorption energies of −52.5 and −113.8 kcal/mol . Overall, the related results not only illustrate the detailed mechanism and efficient sorption sites of MOFs for ReO 4 – but validate the important CS feature of PCN-993.…”

supporting

confidence: 79%

“…Consistent with the SCXRD studies, the Re1 anion binds to the framework via two amino groups, while Re2 is stabilized via C/O−H•••O interactions, along with adsorption energies of −52.5 and −113.8 kcal/mol. 40 Overall, the related results not only illustrate the detailed mechanism and efficient sorption sites of MOFs for ReO 4 − but validate the important CS feature of PCN-993.…”

supporting

confidence: 55%

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Regulating the Topologies of Zirconium–Organic Frameworks for a Crystal Sponge Applicable to Inorganic Matter

et al. 2020

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Metal–organic frameworks (MOFs) have been explored as crystal sponges (CSs) to organic substrates, but attention had rarely been paid to inorganic substrates. Herein, hierarchical zirconium-based MOFs exhibiting different topological structures had been fabricated by modulating the functional groups of the V-shaped linkers, including a new 4-fold-interpenetrating one, which displays a great performance as a CS applicable to inorganic matter (I2 and ReO4 –) even in the extreme conditions.

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supporting

confidence: 79%

supporting

confidence: 55%

Regulating the Topologies of Zirconium–Organic Frameworks for a Crystal Sponge Applicable to Inorganic Matter

et al. 2020

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“…These recent findings open a very attractive avenue for MOF applications for environmental remediation of various contaminants (Mon et al, 2018) and nuclear waste treatment (Banerjee et al, 2016b;Dolgopolova et al, 2018). More recently, several MOFs (Banerjee et al, 2016a;Banerjee et al, 2016c;Drout et al, 2018;Fei et al, 2011;Li et al, 2017b;Mei et al, 2019;Rapti et al, 2018;Sheng et al, 2019;Sheng et al, 2017;Xu et al, 2019;Zhu et al, 2017a) and cationic organic framework (Da et al, 2019;Ding et al, 2020;He et al, 2019;Li et al, 2018;Liu and Han, 2020;Samanta et al, 2018;Shen et al, 2017;Sun et al, 2019;Zhu et al, 2017b) have demonstrated the ability to trap ReO 4 − from aqueous media.…”

Section: Introductionmentioning

confidence: 95%

Anion-exchanged and quaternary ammonium functionalized MIL-101-Cr metal-organic framework (MOF) for ReO4−/TcO4− sequestration from groundwater

Shustova

Martin

et al. 2020

Journal of Environmental Radioactivity

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There are few effective technologies for the sequestration of highly water-soluble pertechnetate (TcO 4 − ) from contaminated water despite the urgency of environmental and public health concerns. In this work, anion exchanged and cetyltrimethylammonium bromide (CTAB) functionalized MIL-101-Cr-NO 3 were investigated for perrhenate (ReO 4 − ), a surrogate of TcO 4 − , sequestration from artificial groundwater. Cl − , I − , and CF 3 SO 3 − exchanged MIL-101-Cr proved more effective at ReO 4 − removal than the parent MIL-101-Cr-F. Compared to the parent framework, CTAB functionalized MIL-101-Cr-NO 3 increased ReO 4removal capacity from 39 to 2 139 mg/g, improved the reaction kinetics from ~30 to < 10 minutes to reach full adsorption capacity and the selectivity for ReO 4 − over competing NO 3 − , CO 3 2− , SO 4 2− , and Cl − . Spectroscopic data indicated that the chemical speciation of Re in the exchanged MIL-101-Cr remained ReO 4 − , indicating synergistic sequestration through both anion exchange and non-ion exchange binding with the positively charged ligand of CTAB. These studies foreshadow potential applications of MOFs for the remediation of 99 TcO 4 − from contaminated environments.

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“…Thus, it can be concluded that the ligand-to-ReO 4electron transfer will also be responsible for the observed fluorescence quenching. 30,32,55…”

Section: Crystalmentioning

confidence: 99%

A Highly Efficient Coordination Polymer for Selective Trapping and Sensing of Perrhenate/Pertechnetate

Zhou

Chen

et al. 2020

ACS Appl. Mater. Interfaces

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A porous cationic Ag(I) coordination polymer, [Ag(1,2,4,5-p4b)](SbF 6) (TJNU-302) with the ligand 1,2,4,5-p4b (1,2,4,5-tetra(pyridin-4-yl)benzene), is reported, which shows high sorption capacity (211 mg g-1) and distribution coefficient K d (5.8 × 10 5 mL g-1) as well as outstanding selectivity in 500 times excess of CO 3 2or PO 4 3anion for perrhenate removal. TJNU-302 can act as a crystalline turn-off sensor for perrhenate upon UV radiation. In this way, a test paper strip for sensing ReO 4could be produced. In water solution, TJNU-302 shows efficient fluorescence quenching response to ReO 4ion, with the highest quenching percentage (86%) among all reported ReO 4sensors. These results could be elucidated by the bonding properties of single-crystal structures of TJNU-302 before and after perrhenate sorption, as well as density functional theory (DFT) calculations.

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Exceptional TcO₄⁻ sorption capacity and highly efficient ReO₄⁻ luminescence sensing by Zr⁴⁺ MOFs

Abstract: A Zr4+ MOF shows an exceptional capability to capture TcO4− and selective luminescence sensing for ReO4−, demonstrated for the first time for MOF materials.

Cited by 57 publications

References 35 publications

Regulating the Topologies of Zirconium–Organic Frameworks for a Crystal Sponge Applicable to Inorganic Matter

Regulating the Topologies of Zirconium–Organic Frameworks for a Crystal Sponge Applicable to Inorganic Matter

Anion-exchanged and quaternary ammonium functionalized MIL-101-Cr metal-organic framework (MOF) for ReO4−/TcO4− sequestration from groundwater

A Highly Efficient Coordination Polymer for Selective Trapping and Sensing of Perrhenate/Pertechnetate

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