Photoinduced absorption in a poly(para-phenylene)-ladder type polymer

被引：9
|
作者：
Petritsch, K [1 ]
Graupner, W [1 ]
Leising, G [1 ]
Scherf, U [1 ]
机构：
[1] MPI POLYMERFORSCH,D-55128 MAINZ,GERMANY
来源：
SYNTHETIC METALS | 1997年 / 84卷 / 1-3期
关键词：
photoinduced absorption spectroscopy; UV-VIS-NIR absorption;
D O I：
10.1016/S0379-6779(96)04080-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A methyl-substituted poly(para-phenylene)-type ladder polymer (m-LPPP) which is the conjugated polymer with the highest intramolecular order presently available is studied by absorption and photoinduced absorption (PIA) in the UV/VIS range. PIA measurements at different excitation wavelengths as well as the influence of temperature are reported. The observed features are attributed to the formation of singly charged polarons and neutral triplet excitons. For both quasi particles we find a vibronic structure which also appears in the absorption spectrum.
引用
收藏
页码：625 / 626
页数：2
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