Method for repairing nano stick of zinc oxide in even diameter

Abstract

The method for preparing zinc oxide nano rod with uniform diameter includes the following steps: (1) dissolving zinc acetate in absolute ethanol or absolute methanol, fully stirring them at zero deg.C to obtain suspended liquor whose concentration is 0.5-30%, dissolving lithium hydroxide in absolute ehtanol or absolute methanol at room temperature to obtain lithium hydroxide solution whose molar concentration is twice that of zinc acetate; (2). under the temperature of zero deg.C drop-by-drop adding isopyknic lithium hydroxide solution to stirring zinc acetate solution to obtain white colloidal mixed solution; (3) placing said colloidal solution into a hydrothermal reactor, sealing said reactor, heat-insulating for 5-24 hr, at 80-200 deg.C, and taking out reaction solution; and (4). centrifugally-separating reaction solution, fully washing separated material by using absolute ethanol, drying at room temp. so as to obtain the invented product.

Description

technical field

[0001] The invention relates to a method for preparing zinc oxide nanorods with uniform diameters. Background technique

[0002] Nano-zinc oxide is a multifunctional new inorganic material, and its particle size is about 1-100 nanometers. Due to the miniaturization of crystal grains, the surface electronic structure and crystal structure change, resulting in surface effects, volume effects, quantum size effects and macroscopic tunnel effects that macroscopic objects do not have, as well as high transparency and high dispersion. In recent years, it has been found that it exhibits many special functions in catalysis, optics, magnetism, mechanics, etc., making it have important application value in many fields such as ceramics, chemical industry, electronics, optics, biology, medicine, etc. Specificity and use of comparisons. Compared with ordinary zinc oxide, nano-zinc oxide products have higher activity and have the functions of shielding infrared, ultraviol...

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