SURFACE-ENHANCED RAMAN-SCATTERING INTERACTION OF PARA-AMINOBENZOIC ACID ON A SILVER-COATED ALUMINA SUBSTRATE

被引：16

作者：

BELLO, JM ^{[1
]}

NARAYANAN, VA ^{[1
]}

VO-DINH, T ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB, DIV HLTH & SAFETY RES, ADV MONITORING DEV GRP, OAK RIDGE, TN 37381 USA

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1992年 / 48卷 / 04期

关键词：

D O I：

10.1016/0584-8539(92)80047-Z

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The adsorption behavior of p-aminobenzoic acid (PABA) molecules on a silver-coated alumina surface-enhanced Raman scattering (SERS) substrate was investigated. For spotted PABA and PABA in non-polar solvents, the PABA molecule is adsorbed flat on the surface of the SERS substrate. In this orientation, the benzene ring is pi-bonded to the substrate, and the molecule is further anchored to the substrate by the binding of the lone pairs of NH2 and COO- groups onto the metal surface. On the other hand, the adsorption behavior of PABA in a polar solvent is greatly influenced by the hydrogen bonding of the amine group with the polar solvent. In this orientation, the molecule is preferentially adsorbed through the COO- and assumes a non-flat orientation on the metal surface.

引用

页码：563 / 567

页数：5

共 25 条

[1] SILVER-COATED FUMED SILICA AS A SUBSTRATE MATERIAL FOR SURFACE-ENHANCED RAMAN-SCATTERING [J].

ALAK, AM ;

VO-DINH, T .

ANALYTICAL CHEMISTRY, 1989, 61 (07) :656-660

[2] FIBEROPTIC REMOTE SENSOR FOR INSITU SURFACE-ENHANCED RAMAN-SCATTERING ANALYSIS [J].

BELLO, JM ;

NARAYANAN, VA ;

STOKES, DL ;

VO-DINH, T .

ANALYTICAL CHEMISTRY, 1990, 62 (22) :2437-2441

[3] SILVER-COATED ALUMINA AS A NEW MEDIUM FOR SURFACED-ENHANCED RAMAN-SCATTERING ANALYSIS [J].

BELLO, JM ;

STOKES, DL ;

VO-DINH, T .

APPLIED SPECTROSCOPY, 1989, 43 (08) :1325-1330

[4]

BELLO JM, IN PRESS APPL SPECTR

[5] GIANT RAMAN-SCATTERING BY ADSORBED MOLECULES ON METAL-SURFACES [J].

BURSTEIN, E ;

CHEN, YJ ;

CHEN, CY ;

LUNDQUIST, S ;

TOSATTI, E .

SOLID STATE COMMUNICATIONS, 1979, 29 (08) :567-570

[6] SURFACE-PLASMON CONTRIBUTION TO SERS [J].

DORNHAUS, R ;

BENNER, RE ;

CHANG, RK ;

CHABAY, I .

SURFACE SCIENCE, 1980, 101 (1-3) :367-373

[7] RAMAN-SPECTRA OF PYRIDINE ADSORBED AT A SILVER ELECTRODE [J].

FLEISCHMANN, M ;

HENDRA, PJ ;

MCQUILLAN, AJ .

CHEMICAL PHYSICS LETTERS, 1974, 26 (02) :163-166

[8] A CRITICAL ANALYSIS OF THEORETICAL-MODELS FOR THE GIANT RAMAN EFFECT FROM ADSORBED MOLECULES [J].

FURTAK, TE ;

REYES, J .

SURFACE SCIENCE, 1980, 93 (2-3) :351-382

[9]

FURTAK TE, 1983, ADV LASER SPECTROSCO, V2, P175

[10] ELECTROMAGNETIC THEORY OF ENHANCED RAMAN-SCATTERING BY MOLECULES ADSORBED ON ROUGH SURFACES [J].

GERSTEN, J ;

NITZAN, A .

JOURNAL OF CHEMICAL PHYSICS, 1980, 73 (07) :3023-3037

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