期刊
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
卷 83, 期 -, 页码 96-103出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2015.03.010
关键词
Oxides; Polymers; Nanostructures; Chemical synthesis
资金
- Isfahan University of Technology (IUT), IR Iran
- Center of Excellency in Sensor and Green Chemistry Research (IUT)
- [GM 033138]
- [MH 065503]
- [NS 033650]
The present investigation reports, the complex formation of Cu(II) with polyvinyl alcohol (PVA) and the synthesis of PVA-stabilized Cu2O particles. This PVA-Cu2O composite has been prepared via chemical reduction method using PVA-Cu(II) complex as precursor. At first, Cu(II) ions were stabilized in PVA matrix via complex formation with OH groups; subsequently, this PVA-Cu(II) macromolecular complex as precursor reacted with ascorbic acid as reducing agent at pH=12 to prepare PVA-Cu2O composite. The products were characterized by FTIR, XRD, FE-SEM, HRTEM, Visible Spectroscopy and atomic absorption. In the following, the antibacterial properties of as-prepared composites were examined against Gram-positive (Bacillus thuringiensis) and Gram-negative bacteria (Escherichia colt), and the results showed excellent antibacterial activity of these materials. (C) 2015 Elsevier Ltd. All rights reserved.
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