Modification of Polypropylene by Heterophase ZnO–Ag Nanoparticles

IF 0.4 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY
V. R. Chzhjou, O. V. Bakina, N. V. Svarovskaya, E. G. Khorobraya
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引用次数: 0

Abstract

In the present work, we synthesized ZnO–Ag heterophase nanoparticles and ZnO–Ag modified polypropylene (PP) granules toward the degradation of dye under visible light irradiation. The nanoparticles (NPs) were produced by electrical explosion of zinc and silver twisted wires in oxygen-containing atmosphere. The heterophase structure of ZnO–Ag nanoparticles plays an important role in the enhancing the photocatalytic dye removal through the localized surface plasmon resonance effect of silver. In our investigation, the 0.5 wt.% NPs on the PP granule surface are the best composite samples to achieve the best methylene blue dye degradation (99.7%). The ZnO–Ag heterojunction retains an excellent performance of 46.4% even after being used repetitively for 4 cycling tests. This is the first report on the ZnO–Ag–ZnO/polypropylene granules to advance polymer technology for food storage and self-cleaning coating in the near future.

异相氧化锌-氧化银纳米粒子对聚丙烯的改性
在本研究中,我们合成了 ZnO-Ag 异相纳米粒子和 ZnO-Ag 改性聚丙烯(PP)颗粒,用于在可见光照射下降解染料。纳米粒子(NPs)是在含氧气氛中通过锌和银绞线的电爆炸产生的。ZnO-Ag 纳米粒子的异相结构通过银的局部表面等离子体共振效应在增强光催化去除染料方面发挥了重要作用。在我们的研究中,PP 颗粒表面 0.5 wt.% 的纳米粒子是达到最佳亚甲基蓝染料降解效果(99.7%)的最佳复合样品。即使重复使用 4 次循环测试,氧化锌-银异质结仍能保持 46.4% 的优异性能。这是对 ZnO-Ag-ZnO/ 聚丙烯颗粒的首次报道,有望在不久的将来推动聚合物技术在食品储存和自清洁涂层领域的应用。
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来源期刊
Russian Physics Journal
Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.00
自引率
50.00%
发文量
208
审稿时长
3-6 weeks
期刊介绍: Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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