Controlled assembly of polyoxometalate-based composite materials containing zero- and one-dimensional structures

Niu, Jingyang; Guo, Dongjie; Zhao, Junwei; Wang, Jingping

doi:10.1039/b401769b

Cited by 63 publications

(22 citation statements)

References 50 publications

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“…The basic motif of the structure is shown in Fig. 7 within the normal ranges and in close agreement with those described in the literature [28][29][30][31]. The oxidation state of W atoms are ?VI, which are also confirmed by bond valence sum calculations [36], giving the average value of 6.161 for the calculated oxidation states of W. The result is consistent with the formula of the title compound confirmed by X-ray structure determination.…”

Section: Structure Descriptionsupporting

confidence: 79%

“…As the continuing efforts of the hydrothermal synthesis of various organic-inorganic hybrids, successful synthesis of hybrid materials with mixed 2,2 0 -bpy and 4,4 0 -bpy ligands by our group and other groups further inspired our research efforts into constructing distinctive architectures [26,27]. In contrast, the frameworks based on [BW 12 O 40 ] 5-or saturated Wells-Dawson heteropolyanions clusters are much less [28][29][30][31]. In this article, we chose [BW 12 …”

Section: Introductionmentioning

confidence: 92%

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Synthesis, structures and electrochemical properties of four organic–inorganic hybrid polyoxometalates constructed from polyoxotungstate clusters and transition metal complexes

Ding¹,

Chen²,

Chen³

et al. 2009

Transition Met Chem

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Four novel organic-inorganic hybrid compounds [Cu 5 I (4,4 0 -bpy) 3 (2,2 0 -bpy) 4 ][BW 12 O 40 ] Á H 2 O (1), [Ni 0.5 (2,2 0 -bpy) 1.25 ][Ni(2,2 0 -bpy) 3 ][Ni(2,2 0 -bpy) 2 (H 2 O)(SiW 11 VI W V O 40 )] Á 0.5H 2 O (2), [H 2 bpy] 2 [Zn(2,2 0 -bpy) 3 ] 2 [Si 2 W 18 O 62 ] Á 1.5-H 2 O (3) and [Cu II (2,2 0 -bpy) 2 ] 2 [SiW 12 O 40 ] Á 2H 2 O (4) (2,2 0 -bpy = 2,2 0 -bipyridine, 4,4 0 -bpy = 4,4 0 -bipyridine) have been synthesized under hydrothermal conditions and characterized by elemental analysis, IR spectroscopy, thermal gravimetric analysis, electrochemical measurements and single-crystal X-ray diffraction. Compound (1) is a novel [BW 12 O 40 ] 5-polyoxoanion bisupported by copper(I) coordination cations with mixed 2,2 0 -bpy and 4,4 0 -bpy ligands. Compound (2) is constructed from the [SiW 11 VI W V O 40 ] 5-polyoxoanions supported by [Ni(2,2 0 -bpy) 2 ] 2? . Compound (3) is composed of a novel [Si 2 W 18 O 62 ] 8-cluster and [Zn(2,2 0 -bpy) 3 ] 2? complexes, which held together into a three-dimensional (3D) supramolecular network through hydrogen-bonding interactions. Compound (4) shows a 2D layer framework constructed from a bisupporting Keggin polyoxoanion cluster and [Cu(2,2 0 -bpy) 2 ] 2? coordination polymer fragments, resulting in 3D networks via supramolecular interactions.

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Section: Structure Descriptionsupporting

confidence: 79%

Section: Introductionmentioning

confidence: 92%

Synthesis, structures and electrochemical properties of four organic–inorganic hybrid polyoxometalates constructed from polyoxotungstate clusters and transition metal complexes

Ding¹,

Chen²,

Chen³

et al. 2009

Transition Met Chem

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“…Polyoxometalates (POMs), as one kind of metal oxide cluster, have been considered as attractive building blocks for the construction of organic-inorganic hybrid materials because of their nanosize and abundant topologies as well as oxygen-rich surfaces with good coordination ability. Moreover, their diverse physical and chemical properties relevant to applications in material science, catalysis, and medicine can be imparted to the resulting organic-inorganic hybrid materials [3,4].…”

Section: Introductionmentioning

confidence: 99%

Three organic–inorganic hybrid complexes based on the Wells–Dawson polyoxoanion

Wang

Lü

Meng

et al. 2011

Transition Met Chem

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Three new organic-inorganic hybrid complexes based on the Wells-Dawson polyoxoanion, namely (H 2 bpp)[Ni 2 (bpp) 2 (H 2 O) 4 (P 2 W 18 O 62 )]ÁH 2 O 1, [Cu 6 (Hbpy) 6 -(bpy) 3 (P 2 W 18 O 62 ) 2 ]Á2H 2 O 2 and (Him) 5 [Cu(im) 2 (P 2 W 18 O 62 )]Á 4H 2 O 3 [bpp = 1,3-bis (4-pyridyl) propane, bpy = 4,4 0 -bipyridine, im = imidazole] have been synthesized and characterized. Complex 1 exhibits a three-dimensional (6, 3)-connected framework with anatase topology constructed from [a-P 2 W 18 O 62 ] 6-clusters and [Ni(bpp)] 2? fragments. Each [a-P 2 W 18 O 62 ] 6-anion links to six nickel atoms through six terminal oxygen atoms from four polar and two equatorial WO 6 octahedra, which shows a novel coordination mode of a Wells-Dawson cluster with a transition-metal atom. Complex 2 displays an interesting one-dimensional double-chain structure built from [a-P 2 W 18 O 62 ] 6-clusters and [Cu 2 (bpy)-(Hbpy) 2 ] 2? fragments. To our knowledge, complex 2 represents the first double-chain organic-inorganic hybrid complex based on a Wells-Dawson-type cluster. Complex 3 possesses a one-dimensional zigzag chain structure constructed from [a-P 2 W 18 O 62 ] 6-anions and [Cu(im) 2 ] ? units through weak CuÁÁÁO interactions.

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“…Our strategy focuses on the use of chemically robust and structurally diverse polyoxometalate (POM) clusters [22][23][24][25][26][27] to serve as nodes from which organic or metal-organic tethers radiate to provide spatial expansion. Complex structures have been derived from polyoxomolybdates [13,28], as well as from Keggin [29][30][31][32][33], Anderson, [34,35], Silverton [36] and Wells-Dawson type [37][38][39] polyanions.…”

Section: Introductionmentioning

confidence: 99%

An oxide chain constructed from octamolybdate, a Keggin anion and a copper (II) – Tetrapyridylpyrazine binuclear unit

Armatas

Ouellette

Pelcher

et al. 2009

Inorganic Chemistry Communications

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Controlled assembly of polyoxometalate-based composite materials containing zero- and one-dimensional structures

Cited by 63 publications

References 50 publications

Synthesis, structures and electrochemical properties of four organic–inorganic hybrid polyoxometalates constructed from polyoxotungstate clusters and transition metal complexes

Synthesis, structures and electrochemical properties of four organic–inorganic hybrid polyoxometalates constructed from polyoxotungstate clusters and transition metal complexes

Three organic–inorganic hybrid complexes based on the Wells–Dawson polyoxoanion

An oxide chain constructed from octamolybdate, a Keggin anion and a copper (II) – Tetrapyridylpyrazine binuclear unit

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