Pyrochlore Type Tungsten Oxide

Pyrochlore type oxide, tungsten mostly A bit deletion type of layered perovskite tissue, wherein a water molecule is formed directly in contact with the two-dimensional layer structure of tungsten by hydrogen bonding interactions between the layers. Chinese name is pyrochlore type oxide, tungsten foreign names Pyrochlore-type H2W2O7, Formula H2W2O7WO3 • 0.5H2O it for layered composites, sensing field, tungsten oxide calcined preparation.

1988 French Coucou, who first synthesized by soft chemistry type of pyrochlore oxide, tungsten, they (NH4) 10W12O41 • 5H2O as precursor glycol solution is heated in an acidic reflux get [(NH4) 2O] xW2O6, will its repeated washing in acid solution, and the resulting powder is heated to remove water at 100 ℃, which obtained pyrochlore type tungsten oxide powder.

It applies layered composite materials, sensing field, tungsten oxide calcined preparation. Greenstone focus of the present study is not fully oxidized tungsten, still unable to mass production, so many applications yet to be developed.

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