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- W3207429265 abstract "• Two unique organic–inorganic hybrid copper–substituted Wells-Dawson polyoxotungstates were hydrothermally prepared. • Displays a new 1D ladder-like mono-chain by W O Cu and W O W covalent bonds from Wells-Dawson polyoxoanions and copper-en cations, then results in the intriguing 2D double-layer by hydrogen bonding interactions. • Exhibits an interesting double-chain structure by more W O Cu and W O W covalent bonds from Wells-Dawson polyoxoanions and copper-en cations, then yields to the charming 3D network by hydrogen bonds. • The connection modes and the packing networks of the title hybrid complexes are rare. Furthermore, the title compounds are highly active for photocatalytic degradation of MB. Two new organic-inorganic hybrid copper-substituted supramolecular polyoxotungstates, namely H[Cu(en) 2 (H 2 O)] 2 [Cu(en) 2 ][P 2 W 18 O 62 ]Cl·7H 2 O (1) and H 3 [Cu(en) 2 (H 2 O)] 2 [Cu(en) 2 ] 1.5 [CuP 2 W 17 O 62 ]·39H 2 O (2) (en = 1,2-ethylenediamine), have been prepared via a simple one-pot hydrothermal synthesis method and characterized by elemental analyses, IR spectra, XRD, thermogravimetric (TG) analyses and X-ray single-crystal diffraction. X-ray structural analysis reveals that both of them are containing Wells-Dawson polyoxoanions and copper-en cations. With the rare connection modes of W O Cu and W O W linkers, compound 1 further displays an organic-inorganic hybrid 1D ladder-like mono-chain whereas 2 is in a stable configuration of an interesting double-chain. Subsequently, the intriguing 2D double-layer for 1 and 3D supramolecular architecture for 2 were fabricated through hydrogen bonding among the [P 2 W 18 O 62 ] 6− fragments and the copper counter-cations, respectively. It is worthy to note that the connection modes and the packing networks of the title hybrid complexes are rare. In addition, the photodegradation properties of the title complexes for methylene blue under UV irradiation have been investigated in detail. This work guides us to design and synthesize more attractive hybrid materials for extensively potential applications. Two unique organic–inorganic hybrid copper–substituted supramolecular polyoxotungstates, namely H[Cu(en) 2 (H 2 O)] 2 [Cu(en) 2 ][P 2 W 18 O 62 ]Cl·7H 2 O (1) and H 3 [Cu(en) 2 (H 2 O)] 2 [Cu(en) 2 ] 1.5 [CuP 2 W 17 O 62 ]·39H 2 O (2) (en = 1,2-ethylenediamine) were prepared. The novelty of the structures is that they are both containing Wells-Dawson polyoxoanions and copper-en cations. With the rare connection modes of W O Cu and W O W linkers, compound 1 further displays an organic-inorganic hybrid 1D ladder-like mono-chain whereas 2 is in a stable configuration of an interesting double-chain. Subsequently, the intriguing 2D double-layer for 1 and 3D supramolecular architecture for 2 were fabricated through hydrogen bonding among the [P 2 W 18 O 62 ] 6− fragments and the copper counter-cations, respectively. In addition, the photocatalytic degradation activities of MB for complexes 1 and 2 under UV irradiation have been investigated in detail. This work guides us to design and synthesize more attractive hybrid materials for extensively potential applications." @default.
- W3207429265 created "2021-10-25" @default.
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- W3207429265 date "2021-09-01" @default.
- W3207429265 modified "2023-09-22" @default.
- W3207429265 title "Two new hybrids built upon Wells-Dawson polyoxoanions and copper–ethylendiamine coordination cations" @default.
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- W3207429265 doi "https://doi.org/10.1016/j.molstruc.2021.130387" @default.
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