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A simple approach for large-area fabrication of Ag nanorings

机译:大面积制造Ag纳米环的简单方法

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A simple and low-cost method based on a two-step heat treatment of AgNO3/SiO2 film has been developed for fabricating metal Ag nanoring arrays. The as-prepared nanorings have an inner diameter of 70-250 nm and an average wall thickness (namely wire diameter) of approximately 30 nm with a number density of approximately 109 cm(-2) on the surface of the SiO2 matrix. X-ray diffraction (XRD) results reveal that these nanorings exhibit a face-centered cubic crystal structure. Furthermore, a new growth mechanism, namely a molten metal bubble as a self-template, is tentatively proposed for Ag nanorings.
机译:已经开发了一种基于两步热处理AgNO3 / SiO2膜的简单,低成本的方法来制造金属Ag纳米环阵列。所制备的纳米环在SiO 2基质的表面上具有70-250nm的内径和约30nm的平均壁厚(即,线径),并且具有约109cm(-2)的数密度。 X射线衍射(XRD)结果表明,这些纳米环呈现出面心立方晶体结构。此外,初步提出了一种新的生长机理,即以熔融金属气泡为自身模板,用于Ag纳米环。

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