Citation: Wu Jing, Shi Mengjie, Kuang Shumin, Wu Juan, Lin Wei, Zhang Manying, He Xianghong, Liang Guobing. Green Preparation of Cu₂O/Ag Nanocomposite and Its Antibacterial Properties[J]. Chemistry, ;2019, 82(8): 749-753. shu

Green Preparation of Cu₂O/Ag Nanocomposite and Its Antibacterial Properties

School of Chemical and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001

Received Date: 24 April 2019
Revised Date: 10 June 2019

The Cu₂O/Ag composites were prepared environmentally and conveniently by using copper acetate as the copper source, silver nitrate as the silver source and natural honey as the reducing agents without any high pressure reactor and template. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to characterize the structure and morphology of as-prepared Cu₂O/Ag composites. It is proved by the inhibition zone method that the Cu₂O/Ag composite has better antibacterial activity against E. coli than Cu₂O. By analyzing the effect of Cu₂O/Ag on the growth process of E. coli, it was found that the Cu₂O/Ag composites could completely inhibit the growth of E. coli when the concentration of Cu₂O/Ag composites was 10μg/mL. The changes of the morphology of E. coli during the process of adding Cu₂O/Ag composites were observed by SEM. The antibacterial effect of Cu₂O/Ag composites on E. coli is to destroy the cell membrane structure and break the bacteria into small segments. These small segments gradually shrink and are completely decomposed into macromolecular substances. All of these results indicated that the Cu₂O/Ag composites have potential practical application value in the field of antibacterial agents.
- Cu₂O/Ag nanocomposite,
- Antibacterial properties
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沈阳化工大学材料科学与工程学院沈阳 110142

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通讯作者: 陈斌, bchen63@163.com

Green Preparation of Cu₂O/Ag Nanocomposite and Its Antibacterial Properties