SPECTROSCOPIC EVIDENCE FOR POLARONS IN POLY(3-METHYLTHIOPHENE)

被引:72
作者
HARBEKE, G
MEIER, E
KOBEL, W
EGLI, M
KIESS, H
TOSATTI, E
机构
[1] RCA Lab Ltd, Zurich, Switz, RCA Lab Ltd, Zurich, Switz
关键词
SPECTROSCOPY; ABSORPTION;
D O I
10.1016/0038-1098(85)90840-3
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We present the results of an in-situ spectroscopic study of poly(3-methylthiophene) electrochemically doped with BF//4** minus . It is concluded that polarons are the primary elementary excitations in the dilute doping regime.
引用
收藏
页码:419 / 422
页数:4
相关论文
共 20 条
[1]   MODEL FOR ELECTRONIC-STRUCTURE OF AMORPHOUS-SEMICONDUCTORS [J].
ANDERSON, PW .
PHYSICAL REVIEW LETTERS, 1975, 34 (15) :953-955
[2]  
BAERISWYL D, 1985, THEORETICAL ASPECTS
[3]  
BAERISWYL D, 1982, ELECTRONIC PROPERTIE, pCH7
[4]  
BRAZOVSKII SA, 1981, JETP LETT+, V33, P4
[5]   THEORETICAL-STUDIES OF CHARGED DEFECT STATES IN DOPED POLYACETYLENE AND POLYPARAPHENYLENE [J].
BREDAS, JL ;
CHANCE, RR ;
SILBEY, R .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1981, 77 (1-4) :319-332
[6]   HIGHLY CONDUCTING POLYPARAPHENYLENE, POLYPYRROLE, AND POLYTHIOPHENE CHAINS - AN ABINITIO STUDY OF THE GEOMETRY AND ELECTRONIC-STRUCTURE MODIFICATIONS UPON DOPING [J].
BREDAS, JL ;
THEMANS, B ;
FRIPIAT, JG ;
ANDRE, JM ;
CHANCE, RR .
PHYSICAL REVIEW B, 1984, 29 (12) :6761-6773
[7]  
CAMPBELL DK, 1981, PHYS REV B, V24, P4859, DOI 10.1103/PhysRevB.24.4859
[8]  
CHUNG TC, 1984, PHYS REV B, V30, P702, DOI 10.1103/PhysRevB.30.702
[9]   OPTICAL-ABSORPTION FROM POLARONS IN A MODEL OF POLYACETYLENE [J].
FESSER, K ;
BISHOP, AR ;
CAMPBELL, DK .
PHYSICAL REVIEW B, 1983, 27 (08) :4804-4825
[10]   OPTICAL-PROPERTIES OF PHOTOEXCITED AND CHEMICALLY DOPED POLYTHIOPHENE [J].
HATTORI, T ;
HAYES, W ;
WONG, K ;
KANETO, K ;
YOSHINO, K .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1984, 17 (29) :L803-L807