聚乙烯吡咯烷酮存在下制备纳米银的规律

2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP) Pub Date : 2021-09-05 DOI:10.1109/NAP51885.2021.9568511

G. Dudok, N. Semenyuk, Kh. V. Kysil, I. Ilkiv, V. Skorokhoda

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引用次数: 2

摘要

研究了工艺因素对以聚乙烯吡咯烷酮为还原剂和稳定剂制备纳米银的规律的影响。提出了聚乙烯吡咯烷酮还原制银反应的化学性质。提出了在聚乙烯吡咯烷酮存在下制备纳米银的化学反应机理。通过紫外光谱和透射电镜证实了银纳米颗粒的形成。确定了温度、配比和试剂浓度对银离子还原动力学的影响。在使用分子量较高的PVP的情况下，形成直径较小的颗粒。合成了多孔块和薄膜形式的含银复合材料，并对其抗菌和抗真菌性能进行了研究。开发的多孔复合材料被推荐用于医学上作为骨成形术来替代受损的骨组织。

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Regularities of Obtaining Silver Nanoparticles in the Presence of Polyvinylpyrrolidone

The influence of technological factors on the regularities of obtaining silver nanoparticles using polyvinylpyrrolidone as a reducing agent and stabilizer has been studied. The chemistry of the reaction of silver obtaining by the reduction reaction with polyvinylpyrrolidone has been proposed. The mechanism of chemical reaction of silver nanoparticles obtaining in the presence of polyvinylpyrrolidone has been proposed. The formation of silver nanoparticles was confirmed by UV spectroscopy and transmission electron microscopy. The effect of temperature, ratio and reagents concentration on the kinetics of silver ions reduction has been established. Particles with a smaller diameter are formed in the case of the use of PVP with a higher molecular weight. Silver-containing composites in the form of porous blocks and films were synthesized and their antibacterial and antifungal properties were investigated. Developed porous composites are recommended to be used in medicine as osteoplastic to replace damaged bone tissue.

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2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP)

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