Characterization of dye molecules and carbon nanostructures by tip-enhanced Raman spectroscopy

被引：12

作者：

Peica, Niculina ^{[1
,2
]}

Roehrig, Serge ^{[3
,4
]}

Ruediger, Andreas ^{[3
,4
,5
]}

Brose, Katharina ^{[1
]}

Thomsen, Christian ^{[1
]}

Maultzsch, Janina ^{[1
]}

机构：

[1] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany

[2] Forschungszentrum Julich, Zentralabt Chem Anal, D-52425 Julich, Germany

[3] Res Ctr Julich, Inst Solid State Res, D-52425 Julich, Germany

[4] Res Ctr Julich, Ctr Nanoelect Syst Informat Technol, D-52425 Julich, Germany

[5] INRS Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2009年 / 246卷 / 11-12期

关键词：

ROSE-BENGAL;

D O I：

10.1002/pssb.200982278

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Tip-enhanced Raman spectroscopy (TERS) is a high sensitivity and high spatial resolution analytical technique based on the strong field enhancement provided by a sharp metallic tip. Using a commercial atomic force microscope (AFM) combined with a confocal optical setup in reflection geometry, we are targeting samples on non-transparent electrodes. The resulting design challenges with respect to quantum efficiency, optical accessibility of the tip and the optics themselves, were balanced and taken into consideration for the presented ultra-high vacuum-TERS setup. Second, we describe the development of a TERS setup at normal pressure in air, and we present the confocal Raman and TERS spectra of dye molecules and other nanostructures. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2708 / 2712

页数：5

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