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An exploration of surface enhanced Raman spectroscopy (SERS) for in situ detection of sulfite under high pressure
Pan Wang;  Heping Li;  Jianjun Jiang;  Bing Mo;  Can Cui
2018
发表期刊Vibrational Spectroscopy
卷号100页码:172-176
摘要

In this work, silver nanoparticles film was directly fabricated on the surface of the diamond anvil as SERS active substrate for the first time by using a simple and convenient method. With this approach, the SERS spectrum of sulfite was obtained with a detection limit of 5 μmol/L in diamond anvil cell (DAC) at ∼50 MPa. The SERS signal intensity of the two main vibration modes, νsymSO and δsymOSO, showed good linearity with the Na2SO3 concentrations in the range from 5 to 40 μmol/L under high pressure. The linear correlation coefficients were 97.67% and 96.08%, respectively. The effects of pressure on the SERS intensity and Raman shift of the two modes were also studied. The SERS intensity dropped with the increase of pressure and the two main vibration modes shifted to high wave-number when the pressure increased in the pressures ranging from 54 MPa to 330 MPa. The experiments indicate that this method is rapid, convenient and sensitive in detecting sulfite at high pressures. It can be developed as an effect in situ method to detect sulfite in the process of high pressure reaction.

关键词High Pressure sers sulfite diamond-anvil Cellin Situ
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10402
专题地球内部物质高温高压实验室
作者单位1.An exploration of surface enhanced Raman spectroscopy (SERS) for in situ detection of sulfite under high pressure
2.University of Chinese Academy of Sciences, Beijing, 100049, China
3.Center for Lunar and Planetary Sciences, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
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Pan Wang;Heping Li;Jianjun Jiang;Bing Mo;Can Cui. An exploration of surface enhanced Raman spectroscopy (SERS) for in situ detection of sulfite under high pressure[J]. Vibrational Spectroscopy,2018,100:172-176.
APA Pan Wang;Heping Li;Jianjun Jiang;Bing Mo;Can Cui.(2018).An exploration of surface enhanced Raman spectroscopy (SERS) for in situ detection of sulfite under high pressure.Vibrational Spectroscopy,100,172-176.
MLA Pan Wang;Heping Li;Jianjun Jiang;Bing Mo;Can Cui."An exploration of surface enhanced Raman spectroscopy (SERS) for in situ detection of sulfite under high pressure".Vibrational Spectroscopy 100(2018):172-176.
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