SERS SPECTRA OF POLYTHIOPHENE IN DOPED AND UNDOPED STATES

被引：99

作者：

BAZZAOUI, EA ^{[1
]}

LEVI, G ^{[1
]}

AEIYACH, S ^{[1
]}

AUBARD, J ^{[1
]}

MARSAULT, JP ^{[1
]}

LACAZE, PC ^{[1
]}

机构：

[1] UNIV PARIS 07, INST TOPOL & DYNAM SYST, CNRS, URA 34, F-75221 PARIS, FRANCE

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1995年 / 99卷 / 17期

关键词：

D O I：

10.1021/j100017a052

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Raman spectra of polythiophene films electrochemically deposited onto silver and platinum electrodes have been investigated using 514.5 nm laser excitation. Contrary to the case for platinum, the use of roughened silver electrodes leads to the observation of surface-enhanced Raman scattering (SERS), allowing the vibrational characterization of polythiophene in a doped state. Since these vibrational modes are very different from those obtained for the undoped species, this provides a means of evaluating the amount of defects in both states of polythiophene films. According to SERS selection rules, the polythiophene appears to be bound to the silver surface with the ring planes perpendicular to that surface.

引用

页码：6628 / 6634

页数：7

共 55 条

[1]

AFANASEV VL, 1981, CHEM ABSTR, V94, P4306

[2] CORRELATION BETWEEN VIBRATIONAL-SPECTRA AND ELECTRICAL-CONDUCTIVITY OF POLYTHIOPHENE [J].