Tungsten Oxide Material With Nano Band Array Structure and Preparing Method

Nanotechnology in having a tungsten oxide material and method nanoribbons array structure, characteristics: tungsten oxide nanomaterials exhibit highly ordered nanostructures ribbon, a single tungsten oxide nanobelts length 0.5-5μm, width for 100-400nm, the thickness of 10-50nm; tungsten oxide nanoribbons directly generate parallel and perpendicular to the metal tungsten substrate orientation.

Preparation steps: tungsten metal or tungsten as the reaction substrate sheet, heating the ends of the base are connected to the positive and negative power supply, the metal tungsten matrix placed in a closed reaction chamber; the vacuum pumping to the 3000 ~ 5000Pa, open the heating power, control the substrate temperature between 500 ~ 1100 ℃, reaction 5 ~ 30min off the heating power; unchanged to maintain the vacuum degree was allowed to cool to room temperature. Advantages: tungsten oxide material and the substrate with a solid; and render highly ordered nano-ribbon array structure; an array of large specific surface area, nano-size effect significantly; Preparation is simple, without pre-matrix processing and xenobiotics involved in the reaction, the process one step .


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