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Method for preparing compound of zinc oxides and silver nano

A silver nano-composite technology, which is applied in the field of organic matter-polyethylene polyamine, can solve the problems of small number and disadvantages of Ag nanoparticles, and achieve the effect of good dispersion

Inactive Publication Date: 2013-05-08
SOUTHEAST UNIV
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  • Abstract
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Problems solved by technology

Triethanolamine is also used in the synthesis of nano ZnO [J.Phys.Chem.B2006110:19147-19153], but the experimental method reported in the literature is not a hydrothermal method
[0010] When the above methods prepare ZnO / Ag composites, there is a shortcoming, that is, the number of Ag nanoparticles on the surface of ZnO is very small, which is unfavorable for many applications.

Method used

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  • Method for preparing compound of zinc oxides and silver nano

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1) Weigh 1.4187g of polyethylene polyamine into 30mL of deionized water, stir to dissolve;

[0029] 2) Weigh 2.0869g of ZnAc 2 2H 2 O was added to solution 1), and 10 mL of absolute ethanol was added;

[0030] 3) Weigh 0.1451g of AgNO 3 Dissolve in solution 2), continue to stir for 1h;

[0031] 4) Transfer the solution 3) to the reaction kettle, react at 120°C for 6 hours, and cool naturally after the reaction;

[0032] 5) Centrifugal washing (8000r / min, 5min), washed 3 times with water, washed 3 times with alcohol, and dried naturally;

Embodiment 2-3

[0033] Embodiment 2-3: by the method for embodiment 1, reaction condition is as follows:

[0034] Conditional distribution of the example

[0035]

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Abstract

The invention discloses a method for preparing a compound of zinc oxides and silver nano. The method is achieved by the following technical scheme: dissolving polyethylene polyamine to water, adding zinc acetate dehydrate and silver nitrate (mass ratio is 14:1), transferring the solutions into a hot water kettle after being completely blended, and reacting six to eight hours respectively under the temperature of 100 DEG C to 160 DEG C. In the method for preparing the compound of the zinc oxides and the silver nano, the polyethylene polyamine is not only used as alkali but also as a template, and can effectively cause ZnO / Ag nano compounds to be formed, and add Ag nano particles on the surface of a ZnO nano rod.

Description

technical field [0001] The invention relates to an organic substance-polyethylene polyamine, which acts as a base and a template in the preparation of ZnO and Ag nanocomposites, can effectively form ZnO / Ag nanocomposites, and increase the number of Ag nanoparticles on the surface . Background technique [0002] Wurtzite-structured ZnO is a wide-bandgap semiconductor material with piezoelectric and optoelectronic properties, with a bandgap width of 3.37eV at room temperature and an exciton binding energy as high as 60meV. Nano ZnO is a new type of multifunctional inorganic material. Due to the refinement of grains, its surface electronic structure and crystal structure change, nano-ZnO produces 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. Therefore, the physical properties of nanoscale zinc oxide are obviously superior to ordinary zinc oxide materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/24B22F9/30
Inventor 王明亮王艳徐春祥董宝利
Owner SOUTHEAST UNIV
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