RESONANCE RAMAN-SCATTERING FROM SPINCOATED AND LANGMUIR-BLODGETT POLY(3-ALKYLTHIOPHENE) FILMS

被引：7

作者：

KASTNER, J

KUZMANY, H

PALOHEIMO, J

DYREKLEV, P

机构：

[1] LINKOPING UNIV,DEPT PHYS,S-58183 LINKOPING,SWEDEN

[2] LUDWIG BOLTZMANN INST FESTKORPERPHYS,A-1090 VIENNA,AUSTRIA

[3] TECH RES CTR FINLAND,SEMICOND LAB,SF-02150 ESPOO,FINLAND

来源：

SYNTHETIC METALS | 1993年 / 55卷 / 01期

关键词：

D O I：

10.1016/0379-6779(93)90991-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spincoated poly(3-hexylthiophene) and Langmuir-Blodgett films of poly(3-hexylthiophene)/arachidic acid with a different number of layers have been studied by resonance Raman scattering. In both kinds of samples a clear dispersion was observed for the Raman line of the amplitude mode. This dispersion effect is much higher for spincoated films as compared to LB films. We interpret this behaviour by the conjugation length model using the A-term of the Albrecht theory. An average conjugation length of about four thiophene rings was found for spincoated samples and a higher value for the LB films.

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页码：558 / 563

页数：6

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