光学碱度是玻璃酸碱性的尺度,是玻璃结构特性的反映,直接影响玻璃的化学和物理性质.本文介绍了玻璃光学碱度的概念、实验测定和理论计算方法,综合评述了玻璃光学碱度与元素电负性、O~(2-)极化率、O1s结合能之间的变化规律,讨论和分析了参数之间变化的定性趋势和定量方程,总结了玻璃光学碱度的本质及其相关性质,对进一步研究光学碱度在不同玻璃系统中的应用及其变化规律的必要性做出了展望.
Optical basicity is a scale for acidity and basicity, a reflection of structure and has significant effects on chemical and physical properties of glasses. In this paper, the conception, experimental determination and theoretical computations of optical basicity of glasses were introduced. The relationships between optical basicity and electronegativity of elements, polarizability of oxide ion, O1s binding energy in glasses were reviewed. The qualitative and quantitative relationships between optical basicity and other parameters were discussed and analyzed. The nature and dependence parameters of optical basicity were concluded. It was also prospected that the further researches possibly focus on application and the correlations of optical basicity in different glass systems.
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