AUGER AND RAMAN-SPECTROSCOPIC STUDIES OF VISIBLE LASER MICROZONES IN THE ELECTROCHEMICAL SERS SYSTEM - SILVER 2,2'-BIPYRIDINE

被引:21
作者
COONEY, RP [1 ]
MAHONEY, MR [1 ]
HOWARD, MW [1 ]
SPINK, JA [1 ]
机构
[1] UNIV MELBOURNE,CSIRO,DIV MAT SCI,PARKVILLE,VIC 3052,AUSTRALIA
关键词
SPECTROSCOPY; AUGER ELECTRON - SPECTROSCOPY; RAMAN;
D O I
10.1021/la00063a002
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Silver electrodes which exhibit intense surface-enhanced Raman scattering (SERS) for 2,2 prime -bipyridine reveal black carbon-rich laser microzones in the form of a 'halo'. The adsorbate-derived carbon zones are more clearly visible in this system than in the closely related system, Ag/pyridine. Adsorbate carbonization processes have been studied by using Auger electron spectroscopy (AES). The AES results show that heavily carbonized zones of the halo are rich in nitrogen (presumably 2,2 prime -bipyridine).
引用
收藏
页码:273 / 277
页数:5
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