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Functional properties of ceramic-Ag nanocomposite coatings produced by magnetron sputtering

机译:磁控溅射制备的银-Ag纳米复合陶瓷涂层的功能特性

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摘要

In recent years, the use of nanocomposite materials to functionalize surfaces has beeninvestigated, taking advantage of the complementary properties of the nanocompositeconstituents. Among this family of materials, ceramic-Ag coatings have been widely studieddue to the large variety of functionalities that silver possesses and the possibility oftuning the coating’s practical features by selecting the proper matrix to support this noblemetal. Therefore, this review focuses on the effects of silver nanoparticles on the functionalproperties of ceramic-Ag nanocomposites. The chemistry, structure, morphology andtopography of the coatings are analyzed with respect to the changes produced by the silvernanoparticles’ distribution, amount and sizes and by altering production process variables.To offer a clear understanding of the functionalities of these materials, the optical, electrical,mechanical, tribological, electrochemical and biological properties reported in the lastdecade are reviewed, focusing on the ability to tune such properties by modifying the silverdistribution, morphology and composition. In particular, the surface plasmon resonance,self-lubricating ability and antibacterial effect of silver are covered in detail, establishingtheir correlation with factors such as silver diffusion, segregation and ionization.
机译:近年来,利用纳米复合材料的互补性质,已经研究了使用纳米复合材料对表面进行功能化。在这一系列材料中,由于银具有多种功能,并且可以通过选择合适的基质来支持这种贵金属来调整涂层的实际功能,因此对Ag-陶瓷涂层进行了广泛的研究。因此,本综述着眼于银纳米粒子对陶瓷-银纳米复合材料功能特性的影响。根据银纳米颗粒的分布,数量和大小以及通过更改生产工艺变量而产生的变化,分析了涂层的化学,结构,形态和形貌,以便清楚地了解这些材料的功能,光学,电学特性。回顾了过去十年中报道的机械,摩擦学,电化学和生物学特性,重点是通过改变银的分布,形态和组成来调节这些特性的能力。特别地,银的表面等离振子共振,自润滑能力和抗菌作用被详细介绍,建立了它们与银扩散,离析和电离等因素的相关性。

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