Method for Preparing Tungsten Oxide Nano Single Crystal by Sol-gel Method

The invention discloses a method for preparing a tungsten oxide nano single crystal by a sol-gel method. The method comprises the following steps of: preparing macromolecular liquor which can form sol-gel; mixing the macromolecular liquor with ammonium metatungstate liquor; insulating for a certain time at the temperature in the range of 500-900 DEG C; and then performing furnace cooling to obtain yellow powder WO3 nano single crystal powder.

The average size of the WO3 nano single crystal rod prepared by the invention is as follows: 200-500nm in length and 10-30nm in diameter. The nano single crystal rod is stable and uniform and can be used for preparing high quality one-dimensional WO3 compound materials.


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