Synthesis and characterization of two polyoxometalates consisting of different Cu-ligand hydrogen phosphate units

Yan, Jinshuang; Zhao, Xiaofang; Huang, Jiao; Gong, Kaining; Han, Zhangang; Zhai, Xueliang

doi:10.1016/J.JSSC.2013.12.029

Title: Synthesis and characterization of two polyoxometalates consisting of different Cu-ligand hydrogen phosphate units

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Abstract

Two polyoxometalates [(Cu-mbpy){sub 4}(HPO{sub 4}){sub 2}(H{sub 2}O){sub 2}][PMo{sub 12}O{sub 40}]·H{sub 2}O (1) and [(Cu-mbpy){sub 6}(HPO{sub 4}){sub 4}][PW{sub 12}O{sub 40}]·4H{sub 2}O (2) (mbpy=4,4'-dimethyl-2,2'-dipyridyl in 1; 5,5″-dimethyl-2,2'-dipyridyl in 2) have been synthesized and characterized by IR, X-ray powder diffraction, TG analysis and electrochemical property. The structural features of 1–2 are in their cationic moieties consisting of different linkages of [Cu-mbpy]{sup 2+} and HPO{sub 4}{sup 2−} groups. In 1 four Cu-mbpy bridged by two HPO{sub 4}{sup 2−} ions form a discrete cluster with an interesting octahedron of (Cu{sub 4}P{sub 2}), while in 2 Cu-mbpy fragments are bridged by HPO{sub 4}{sup 2−} ions into 1D structure consisting of trigonal bipyramidal polyhedra of (Cu{sub 3}P{sub 2}). Photocatalytic experiments indicate that compounds 1 and 2 are actively photocatalytic for degradation of methyl orange in the presence of H{sub 2}O{sub 2} under UV light irradiation. -- Graphical abstract: Two polyoxometalate-based supramolecular compounds consisting of different linkages based on Cu-ligand and HPO{sub 4}{sup 2−} groups have been synthesized and characterized. The photocatalytic activity are studied. Highlights: • Two polyoxometalate-based supramolecular compounds consisting of different linkages based on Cu-ligand and HPO{sub 4}{sup 2−} groups have been synthesized. • Hydrogen bonding and π…π interactions play important roles in constructing crystalmore »« less

Authors:: Yan, Jinshuang; Zhao, Xiaofang; Huang, Jiao; Gong, Kaining; Han, Zhangang; Zhai, Xueliang

Publication Date:: Sat Mar 15 00:00:00 EDT 2014

OSTI Identifier:: 22275866

Resource Type:: Journal Article

Journal Name:: Journal of Solid State Chemistry

Additional Journal Information:: Journal Volume: 211; Journal Issue: Complete; Other Information: Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CRYSTALS; HYDROGEN PHOSPHATES; HYDROTHERMAL SYNTHESIS; INTERACTIONS; IRRADIATION; LIGANDS; METHYL ORANGE; PHOTOCATALYSIS; THERMAL GRAVIMETRIC ANALYSIS; X-RAY DIFFRACTION

Citation Formats


                    Yan, Jinshuang, Zhao, Xiaofang, Huang, Jiao, Gong, Kaining, Han, Zhangang, and Zhai, Xueliang. Synthesis and characterization of two polyoxometalates consisting of different Cu-ligand hydrogen phosphate units.  United States: N. p., 2014. 
        Web.  doi:10.1016/J.JSSC.2013.12.029.

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                    Yan, Jinshuang, Zhao, Xiaofang, Huang, Jiao, Gong, Kaining, Han, Zhangang, & Zhai, Xueliang. Synthesis and characterization of two polyoxometalates consisting of different Cu-ligand hydrogen phosphate units.  United States.  https://doi.org/10.1016/J.JSSC.2013.12.029

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                    Yan, Jinshuang, Zhao, Xiaofang, Huang, Jiao, Gong, Kaining, Han, Zhangang, and Zhai, Xueliang. 2014.  
        "Synthesis and characterization of two polyoxometalates consisting of different Cu-ligand hydrogen phosphate units".  United States.  https://doi.org/10.1016/J.JSSC.2013.12.029.

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@article{osti_22275866,

  title        = {Synthesis and characterization of two polyoxometalates consisting of different Cu-ligand hydrogen phosphate units},

  author       = {Yan, Jinshuang and Zhao, Xiaofang and Huang, Jiao and Gong, Kaining and Han, Zhangang and Zhai, Xueliang},

  abstractNote = {Two polyoxometalates [(Cu-mbpy){sub 4}(HPO{sub 4}){sub 2}(H{sub 2}O){sub 2}][PMo{sub 12}O{sub 40}]·H{sub 2}O (1) and [(Cu-mbpy){sub 6}(HPO{sub 4}){sub 4}][PW{sub 12}O{sub 40}]·4H{sub 2}O (2) (mbpy=4,4'-dimethyl-2,2'-dipyridyl in 1; 5,5″-dimethyl-2,2'-dipyridyl in 2) have been synthesized and characterized by IR, X-ray powder diffraction, TG analysis and electrochemical property. The structural features of 1–2 are in their cationic moieties consisting of different linkages of [Cu-mbpy]{sup 2+} and HPO{sub 4}{sup 2−} groups. In 1 four Cu-mbpy bridged by two HPO{sub 4}{sup 2−} ions form a discrete cluster with an interesting octahedron of (Cu{sub 4}P{sub 2}), while in 2 Cu-mbpy fragments are bridged by HPO{sub 4}{sup 2−} ions into 1D structure consisting of trigonal bipyramidal polyhedra of (Cu{sub 3}P{sub 2}). Photocatalytic experiments indicate that compounds 1 and 2 are actively photocatalytic for degradation of methyl orange in the presence of H{sub 2}O{sub 2} under UV light irradiation. -- Graphical abstract: Two polyoxometalate-based supramolecular compounds consisting of different linkages based on Cu-ligand and HPO{sub 4}{sup 2−} groups have been synthesized and characterized. The photocatalytic activity are studied. Highlights: • Two polyoxometalate-based supramolecular compounds consisting of different linkages based on Cu-ligand and HPO{sub 4}{sup 2−} groups have been synthesized. • Hydrogen bonding and π…π interactions play important roles in constructing crystal supramolecular frameworks. • Two compounds represent a high photocatalytic activity in the degradation of methyl orange.},

  doi          = {10.1016/J.JSSC.2013.12.029},

  url          = {https://www.osti.gov/biblio/22275866},
  journal      = {Journal of Solid State Chemistry},

  issn         = {0022-4596},

  number       = Complete,

  volume       = 211,

  place        = {United States},

  year         = {Sat Mar 15 00:00:00 EDT 2014},

  month        = {Sat Mar 15 00:00:00 EDT 2014}

}

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