Overtones and combinations in single-molecule surface. enhanced resonance Raman scattering spectra

被引：46

作者：

Goulet, PJG ^{[1
]}

Pieczonka, NPW ^{[1
]}

Aroca, RF ^{[1
]}

机构：

[1] Univ Windsor, Sch Phys Sci, Mat & Surface Sci Grp, Windsor, ON N9B 3P4, Canada

来源：

ANALYTICAL CHEMISTRY | 2003年 / 75卷 / 08期

关键词：

D O I：

10.1021/ac034067r

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The observation of overtones and combinations in the SERRS spectra of single molecules dispersed in Langmuir-Blodgett monolayers is confirmed for a family of molecules. The detection of fundamentals, combinations, and overtones in single-molecule spectra of a series of perylenetetracarboxylic diimides (PTCD) is achieved with spatially resolved surface-enhanced resonance Raman scattering (SERRS). The Langmuir-Blodgett technique is used to create monomolecular thick films on metal islands containing on average one probed molecule within the field of view of the Raman microscope. The enhancement needed for single-molecule detection is achieved through the multiplicative effects of electromagnetic enhancement by metal nanostructures and resonance Raman enhancement by excitation into molecular electronic absorption bands. Overtone and combination progressions are well resolved in the average SERRS spectra of all three PTCD molecules.

引用

页码：1918 / 1923

页数：6

共 33 条

[1] ANOMALOUSLY INTENSE RAMAN-SPECTRA OF PYRIDINE AT A SILVER ELECTRODE [J].

ALBRECHT, MG ;

CREIGHTON, JA .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1977, 99 (15) :5215-5217

[2] SERRS OF LANGMUIR-BLODGETT MONOLAYERS - SPATIAL SPECTROSCOPIC TUNING [J].

AROCA, R ;

GUHATHAKURTAGHOSH, U .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (20) :7681-7683

[3] SURFACE-ENHANCED RAMAN-SCATTERING OF LANGMUIR-BLODGETT MONOLAYERS OF PHTHALOCYANINE BY INDIUM AND SILVER ISLAND FILMS [J].

AROCA, R ;

JENNINGS, C ;

KOVACS, GJ ;

LOUTFY, RO ;

VINCETT, PS .

JOURNAL OF PHYSICAL CHEMISTRY, 1985, 89 (19) :4051-4054

[4] SERS OF LANGMUIR-BLODGETT MONOLAYERS - COVERAGE DEPENDENCE [J].

AROCA, R ;

BATTISTI, D .

LANGMUIR, 1990, 6 (01) :250-254

[5] ELECTRODYNAMIC CALCULATIONS OF THE SURFACE-ENHANCED ELECTRIC INTENSITIES ON LARGE AG SPHEROIDS [J].

BARBER, PW ;

CHANG, RK ;

MASSOUDI, H .

PHYSICAL REVIEW B, 1983, 27 (12) :7251-7261

[6]

Chang R.K., 1982, Surface Enhanced Raman Scattering

[7] Single-molecule detection using surface-enhanced resonance Raman scattering and Langmuir-Blodgett monolayers [J].

Constantino, CJL ;

Lemma, T ;

Antunes, PA ;

Aroca, R .

ANALYTICAL CHEMISTRY, 2001, 73 (15) :3674-3678

[8] Surface enhanced Raman scattering from a single molecule adsorbed on a metal particle aggregate: A theoretical study [J].

Corni, S ;

Tomasi, J .

JOURNAL OF CHEMICAL PHYSICS, 2002, 116 (03) :1156-1164

[9] Single-molecule and single-nanoparticle SERS: Examining the roles of surface active sites and chemical enhancement [J].

Doering, WE ;

Nie, SM .

JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (02) :311-317

[10]

Gaines G.L., 1966, INSOLUBLE MONOLAYERS

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