Effect of Silver/Silcon Dioxide Film on the Infrared Absorption Properties of Sodium Nitrate

被引：0
|
作者：
Jia Zhi-jun [1 ]
Kong Xiang-fei [1 ]
Guo Qiang [1 ]
Yuan Guang [1 ]
机构：
[1] Ocean Univ China, Dept Phys, Qingdao 266100, Peoples R China
来源：
SPECTROSCOPY AND SPECTRAL ANALYSIS | 2012年 / 32卷 / 12期
关键词：
Infrared absorption; Ag/SiO2; film; Nitrate; ENHANCEMENT; SEAWATER;
D O I：
10.3964/j.issn.1000-0593(2012)12-3213-04
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Silver/silicon dioxide (Ag/SiO2) film, which was used for surface enhanced infrared absorption spectroscopy, was made by mixing ammonia solution and SiO2 solution. Surface morphology of thin films was depicted by scanning electron microscopy, X-ray diffraction and ultraviolet-visible absorption spectrum. The present paper studies the spectroscopy of Ag/SiO2 film during the evaporation of water. Research results show that the anti-symmetric vibration absorption peak of nitrate is the function of solution concentration and the distances. Influence of surface enhanced infrared absorption spectroscopy in nitrate absorption peak is via the electromagnetic mechanism and increasing the effective surface area.
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收藏
页码：3213 / 3216
页数：4
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