SURFACE RAMAN-SCATTERING OF AN AZO DYE IN ACIDIC SOLUTIONS

被引：11
|
作者：
XI, K
SHARMA, SK
MUENOW, DW
机构：
[1] UNIV HAWAII,HAWAII INST GEOPHYS,SCH OCEAN & EARTH SCI & TECHNOL,HONOLULU,HI 96822
[2] UNIV HAWAII,DEPT CHEM,HONOLULU,HI 96822
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 1992年 / 23卷 / 11期
关键词：
D O I：
10.1002/jrs.1250231108
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The Raman scattering of azo dye adsorbed on silver sols in acidic solution was investigated and its surface-enhanced Raman scattering (SERS) spectra and excitation behavior are reported. It was found that different tautomeric species of the azo dye show different SERS enhancements when excited with laser on- and off-resonance frequencies. These observations can be explained by a charge-transfer model rather than an electromagnetic model.
引用
收藏
页码：621 / 624
页数：4
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