Assembly of a Pentagonal Polyoxomolybdate Building Block, [Mo6O21]6-, into Crystalline MoV Oxides

被引：35

作者：

Sadakane, Masahiro ^{[1
]}

Endo, Keisuke ^{[2
]}

Kodato, Katsunori ^{[2
]}

Ishikawa, Satoshi ^{[2
]}

Murayama, Toru ^{[2
]}

Ueda, Wataru ^{[2
]}

机构：

[1] Hiroshima Univ, Grad Sch Engn, Dept Appl Chem, Higashihiroshima 7398527, Japan

[2] Hokkaido Univ, Catalysis Res Ctr, Sapporo, Hokkaido 0010021, Japan

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2013年 / 10-11期

关键词：

Polyoxometalates; Molybdenum; Vanadium; Self-assembly; CATALYTIC PERFORMANCE; MOLYBDENUM; CHEMISTRY; GROWTH; ZEOLITES; SPHERES; DESIGN; NUCLEATION; OXIDATION; ALCOHOLS;

D O I：

10.1002/ejic.201201142

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The building-block assembly of polyoxometalates to form crystalline MoV-based metal oxides is presented. Mixing of (NH4)6Mo7O24 and VOSO4 in water with a pH value higher than 1.7 produced the ball-shaped polyoxometalate [Mo72V30O282(H2O)56(SO4)12]36 ({Mo72V30}) with 12 pentagonal [Mo6O21]6 polyoxomolybdate units connected to 30 [V=O]2+ units, which was detected by using UV/Vis, Raman, and IR spectroscopy. Hydrothermal reaction of the precursor containing {Mo72V30} produced crystalline orthorhombic or trigonal MoV oxides. These oxides contain the pentagonal Mo unit in the crystal structure. The results indicate that the pentagonal polyoxomolybdate unit produced in the reaction precursor assembles with other Mo and V ions to form crystalline orthorhombic and trigonal MoV oxides.

引用

页码：1731 / 1736

页数：6

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