SURFACE-ENHANCED RAMAN-SPECTRA OF THIOUREA IN ACIDIC SOLUTIONS

被引：23

作者：

KIM, H ^{[1
]}

KIM, JJ ^{[1
]}

机构：

[1] KOREA ADV INST SCI & TECHNOL,DEPT PHYS,373-1 KUSUNG DONG,YUSUNG KU,TAEJON 305701,SOUTH KOREA

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 1993年 / 24卷 / 02期

关键词：

D O I：

10.1002/jrs.1250240204

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Surface-enhanced Raman scattering (SERS) of thiourea [SC(NH2)2] was studied in acidic solutions of 0.1 M H2SO4 and 0.1 M HCl. Very strong SERS bands of thiourea were observed in the acidic solutions, in contrast to very weak SERS spectra of thiourea in standard SERS solutions employing K2SO4 or KCl. Thiourea seems to have a strong and stable surface adsorption at a silver electrode in the acidic solutions where protonation and anionic co-adsorption may enhance this surface stability of thiourea.

引用

页码：77 / 81

页数：5

共 15 条

[1] A RAMAN-SPECTROSCOPIC STUDY OF QUINOLINE AND ISOQUINOLINE ADSORBED ON COPPER AND SILVER ELECTRODES [J].

FLEISCHMANN, M ;

HILL, IR ;

SUNDHOLM, G .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1983, 158 (01) :153-164

[2] A RAMAN-SPECTROSCOPIC STUDY OF THIOUREA ADSORBED ON SILVER AND COPPER ELECTRODES [J].

FLEISCHMANN, M ;

HILL, IR ;

SUNDHOLM, G .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1983, 157 (02) :359-368

[3]

FUTAMA R, 1962, J PHYS SOC JPN, V17, P434

[4]

GERSTEN JI, 1982, SURFACE ENHANCED RAM, P00089

[5]

HADZI D, 1976, SPECTROCHIM ACTA A, V32, P693

[6]

HAJBI A, 1987, J ELECTROANAL CHEM, V227, P159

[7] RESONANCE RAMAN EFFECT IN THIOUREA [J].

ISHIGURO, T ;

SUZUKI, EI ;

HIRAKAWA, AY ;

TSUBOI, M .

JOURNAL OF MOLECULAR SPECTROSCOPY, 1980, 83 (02) :360-372

[8] MOLECULAR-ORIENTATION OF THIOUREA CHEMISORBED ON COPPER AND SILVER SURFACES [J].

LOO, BH .

CHEMICAL PHYSICS LETTERS, 1982, 89 (04) :346-350

[9] SURFACE-ENHANCED RAMAN-SCATTERING MAGNIFIED BY PHOTOCHEMICAL ACTIVATION OF THE SILVER ELECTRODE IN AQUEOUS HALIDE ELECTROLYTES [J].

MACOMBER, SH ;

FURTAK, TE ;

DEVINE, TM .

CHEMICAL PHYSICS LETTERS, 1982, 90 (06) :439-444

[10] THE SHORT-RANGE COMPONENT OF SURFACE-ENHANCED RAMAN-SCATTERING - THIOUREA ADSORBED ON A SILVER ELECTRODE [J].

MACOMBER, SH ;

FURTAK, TE .

CHEMICAL PHYSICS LETTERS, 1982, 90 (01) :59-63

← 1 2 →