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Preparation and properties of silver nanopowders and composites based on a radiation-chemical method
Radiation Physics and Chemistry ( IF 2.9 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.radphyschem.2020.109218
S.Yu. Sokovnin , M.E. Balezin , M.A. Kiseleva

Abstract Silver nanopowders with specific surface area up to 39.1 cm2/g, as well as alumina powders coated with silver consisting of nanoparticles with sizes of 50 and 80 nm, were produced by a radiation-chemical method. The influence of the number of OH groups of polyhydric alcohols on the specific surface area of obtained silver nanopowders is shown in the first time. The coating area of the oxide base can be varied from 2-3%–40%. Antibacterial properties of the composite have been studied on wine yeast, as well as E. coli and S. aureus bacteria. The results of the study of photocatalytic properties of the composite showed its potential.

中文翻译:

基于辐射化学法的银纳米粉体及其复合材料的制备及性能

摘要 通过辐射化学法制备了比表面积高达39.1 cm2/g 的纳米银粉,以及由50 和80 nm 纳米颗粒组成的银包覆氧化铝粉。首次展示了多元醇的OH基团数对所得银纳米粉体比表面积的影响。氧化物基体的涂层面积可在 2-3% 至 40% 之间变化。复合材料的抗菌特性已在葡萄酒酵母以及大肠杆菌和金黄色葡萄球菌中进行了研究。复合材料光催化性能的研究结果显示了其潜力。
更新日期:2021-02-01
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