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首页> 外文期刊>RSC Advances >Influence of the surface layer of hydrated silicon on the stabilization of Co2+ cations in Zr-Si fiberglass materials according to XPS, UV-Vis DRS, and differential dissolution phase analysis
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Influence of the surface layer of hydrated silicon on the stabilization of Co2+ cations in Zr-Si fiberglass materials according to XPS, UV-Vis DRS, and differential dissolution phase analysis

机译：水合硅表面层对XPS，UV-Vis DRS和差分溶解相分析的Zr-Si玻璃纤维材料中CO2 +阳离子稳定的影响

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摘要

The stabilization of cobalt cations in zirconium-silica fiberglass materials was studied by X-ray photoelectron spectroscopy, ultraviolet visible diffusion reflectance spectroscopy, and a differential dissolution phase analysis. It was found that the commercial Zr-Si fiberglass material contained a layer of hydrated silicon (the depth of 6 nm) on the surface of the glass fibers. Modification of the fiberglass material with cobalt led to its distribution in the fibers mainly in the Co2+ state. It was shown that 90% of cobalt was stabilized on the surface and in the hydrated silicon layer as Co2+ cations in tetrahedral oxygen coordination, while the remaining 10% was distributed non-uniformly in the bulk of the fibers as Co2+ cations in octahedral oxygen coordination.
机译：通过X射线光电子能谱，紫外可见光扩散反射光谱，差分溶解相分析研究了锆 - 二氧化硅玻璃纤维材料中钴阳离子的稳定化。 发现商业Zr-Si玻璃纤维材料在玻璃纤维表面上含有一层水合硅（深度为6nm）。 用钴改性玻璃纤维材料LED主要在CO2 +状态下的纤维分布。 结果表明，90％的钴在表面和水合硅层中稳定为四面体氧气配位中的CO 2 +阳离子，而剩余的10％在八面体氧气协调中的二氧化碳+阳离子中均匀地分布。 。

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