2023
DOI: 10.1021/jacs.2c13523
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Ion-Selective Assembly of Supertetrahedral Selenido Germanate Clusters for Alkali Metal Ion Capture and Separation

Abstract: Supertetrahedral chalcogenido (semi)metalate cluster-based frameworks possess high selectivity for alkali metal cations, matching the specific charge density of their inner surfaces, which enables their use as ion-exchange materials. Aggregates of the supertetrahedral chalcogenido metalate cluster offer even new perspectives for metal ion capture and separation. Herein, we report on ionothermal preparation of two corresponding model compounds, (C 2 C 1 Im) 7 [Cs@Ge II 4 (Ge IV 4 Se 10 ) 4 ] ( 1) and (C 2 C 1 I… Show more

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Cited by 6 publications
(2 citation statements)
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“…31 This strategy can be enhanced by forming cluster aggregates that include an alkali metal cation for additional charge compensation “from inside”: [Cs@Ge 4 (Ge 4 Se 10 ) 4 ] 7− , which at the same time represents the largest selenido germanate cluster reported to date, shows the lowest charge per atom reported for a purely inorganic (super)tetrahedral cluster. 32 There have also been recent reports about purely inorganic supertetrahedral clusters that were proven to dissolve in DMSO. 30…”
mentioning
confidence: 99%
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“…31 This strategy can be enhanced by forming cluster aggregates that include an alkali metal cation for additional charge compensation “from inside”: [Cs@Ge 4 (Ge 4 Se 10 ) 4 ] 7− , which at the same time represents the largest selenido germanate cluster reported to date, shows the lowest charge per atom reported for a purely inorganic (super)tetrahedral cluster. 32 There have also been recent reports about purely inorganic supertetrahedral clusters that were proven to dissolve in DMSO. 30…”
mentioning
confidence: 99%
“…31 This strategy can be enhanced by forming cluster aggregates that include an alkali metal cation for additional charge compensation ''from inside'': [Cs@Ge 4 (Ge 4 Se 10 ) 4 ] 7À , which at the same time represents the largest selenido germanate cluster reported to date, shows the lowest charge per atom reported for a purely inorganic (super)tetrahedral cluster. 32 There have also been recent reports about purely inorganic supertetrahedral clusters that were proven to dissolve in DMSO. 30 A significant step forward regarding the solubility of chalcogenido metalate cluster compounds at the retention of optical properties, however, was the selective partial alkylation of the sulfido-oxo stannate cluster [Sn 10 O 4 S 20 ] 8À , previously known as this purely inorganic species, 33 in reactive ionic liquids.…”
mentioning
confidence: 99%