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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Structural study of sol-gel silicate glasses by IR and Raman spectroscopies
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Structural study of sol-gel silicate glasses by IR and Raman spectroscopies

机译：溶胶-凝胶硅酸盐玻璃的红外和拉曼光谱研究

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摘要

A study of the Structure and bonding configuration of sol-gel silicate glasses by Raman and infrared spectroscopies is presented. Moreover, a review of the Raman lines and infrared bands assignment, the identification of the non-bridging silicon-oxygen groups and the ring structures are also demonstrated. The evolution of the changes of the bonding configuration in the composition and the stabilization temperature of the bioactive glasses is discussed in terms of the structural and textural characteristics of the glasses. Raman and infrared analyses contribute to the improvement in understanding of the local symmetry for sol-gel silicate glasses. infrared spectroscopy has allowed to identify the vibration bands of the hydroxyl groups associated with various configurations of the terminal silanol bonds on the glass surface and the free molecular water in the glass matrix. Raman analysis has provided an alternative method of quantifying the network connectivity grade and predicting the textural properties of the sol-gel silicate glasses.
机译：通过拉曼光谱和红外光谱研究了溶胶-凝胶硅酸盐玻璃的结构和键合构型。此外，还展示了对拉曼谱线和红外波段分配，非桥连硅氧基团和环结构的鉴定的综述。就生物活性玻璃的组成和稳定温度的键合构型变化的演变，从玻璃的结构和质地特性方面进行了讨论。拉曼和红外分析有助于提高对溶胶-凝胶硅酸盐玻璃的局部对称性的理解。红外光谱法已经能够鉴定与玻璃表面上的末端硅烷醇键的各种构型以及玻璃基质中的游离分子水相关的羟基的振动带。拉曼分析提供了一种量化网络连接等级并预测溶胶-凝胶硅酸盐玻璃的织构特性的替代方法。

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