孟子岳,张红燕

• 1:新疆大学物理科学与技术学院

摘要(Abstract)：

本文通过对不同波长紫外光激发乙醇水溶液的荧光光谱分析,系统地讨论了水对乙醇溶液荧光光谱的影响.结果表明高浓度乙醇溶液在紫外光的激发下会出现350nm和550nm两个发射峰.随着激发波长增加,在350nm的荧光峰值出现红移,荧光强度先增大后减小,在550nm的荧光峰强度出现猝灭,呈现出先减小后增大的趋势.当乙醇的体积分数从50%增加到100%时,在550nm处的荧光峰强度先减小后增加.乙醇体积分数从20%增加到75%时,在350nm处的荧光峰强度先增加后减小.

关键词(KeyWords)： 荧光光谱;紫外光激发;乙醇水混合溶液;乙醇浓度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(11504313,61665011);; 新疆维吾尔自治区科技厅自然科学基金项目(2015211C275)

作者(Author): 孟子岳,张红燕

DOI: 10.13568/j.cnki.651094.2017.02.007

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