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Characteristics of SiO_x-cored composite nanowires with Ag shell layers

机译：含Ag壳层的SiO_x芯复合纳米线的特性

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摘要

This paper reports the preparation of Ag-coated SiO_x nanowires and analyzes changes in the structural properties and photoluminescence (PL) spectra induced by a thermal annealing process. The thermal induced changes in the sample morphology, generating Ag nanoparticles on the core of SiO_x nanowires and crystalline structures were affected, facilitating the generation of the Ag_2SiO_3 phase. The overall shape of the PL spectrum was changed significantly by both the Ag-coating and the subsequent thermal annealing. Possible emission mechanisms were discussed. This study gives insight into the annealing process regarding various coaxial one-dimensional materials, particularly with metal shell layers.
机译：本文报道了涂银的SiO_x纳米线的制备，并分析了由热退火过程引起的结构性质和光致发光（PL）光谱的变化。热诱导的样品形态变化，在SiO_x纳米线的芯部生成Ag纳米颗粒，并影响晶体结构，从而促进了Ag_2SiO_3相的生成。通过银涂层和随后的热退火，PL光谱的整体形状发生了显着变化。讨论了可能的排放机制。这项研究深入了解了有关各种同轴一维材料（尤其是金属壳层）的退火工艺。

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