Violet Tungsten Oxide Applied for Energy Saving Glass Coating

Violet tungsten oxide for energy saving glass coating can be prepared by a solvothermal method using ethanol as a solvent in the reaction precursor. The specific production steps are as follows:

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Ethanol is used as the solvent in the reaction precursor. Tungsten chloride is mixed with ethanol, and placed on a magnetic stirrer to stir. After the tungsten chloride is completely dissolved, the obtained reaction precursor is poured into a 100mL hydrothermal reactor lining. The reaction vessel was sealed and the crystallization reaction was allowed to stand in an oven at 180°C for a certain period of time. After the reaction was completed and cooled to room temperature, the reaction liquid was taken out and centrifuged, washed three times with 50mL of deionized water and three times with 50mL of absolute ethanol, and dried in a vacuum oven at 60°C for 8 hours to obtain violet tungsten oxide nano powder.

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