Surface-enhanced and STM tip-enhanced Raman spectroscopy of CN- ions at gold surfaces

被引：66

作者：

Pettinger, B ^{[1
]}

Picardi, G ^{[1
]}

Schuster, R ^{[1
]}

Ertl, G ^{[1
]}

机构：

[1] Max Planck Gesell, Fritz Haber Inst, Dept Phys Chem, D-14195 Berlin, Germany

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2003年 / 554卷

关键词：

tip enhancement; near-field enhancement; surface enhancement; Raman spectroscopy; scanning tunneling microscopy (STM); cyanide adsorption; SERS; TERS;

D O I：

10.1016/S0022-0728(03)00242-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Combined surface- and tip-enhanced Raman spectroscopy (SERS and TERS, respectively) experiments for CN- adsorbed at Au-surfaces are presented. STM tip-induced frequency shifts for the CN-stretch vibration are observed. This effect is attributed to a distinct weighting of the individual contributions to TERS, depending on the particular field distribution, which peaks underneath the tip apex and drops quickly beyond this region. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：293 / 299

页数：7

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