Electroluminescent nanostructures in new polystyrene-oligo (phenylene-vinylene) graft copolymer

被引:28
作者
Hochfilzer, C [1 ]
Tasch, S [1 ]
Winkler, B [1 ]
Huslage, J [1 ]
Leising, G [1 ]
机构
[1] GRAZ TECH UNIV,SFB,ELEKTROAKT STOFFE,A-8010 GRAZ,AUSTRIA
关键词
poly (phenylene vinylene) and derivatives; photoluminescence; electroluminescence; electrochemical methods;
D O I
10.1016/S0379-6779(97)80236-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present a new electroactive polymer, the polystyrene-oligo(phenylene-vinylene) (PS-OPV), in which nanostructured photoactive conjugated phenylene-vinylene segments are attached as sidechains to the polystyrene backbone. The number of phenylene-rings of the OPV segments is very homogeneous (2-4 rings), as the UV/vis absorption and photoluminescence (lambda(max)=430nm) spectra compared to OPV oligomer spectra show. The photoluminescence quantum yield is very high. Electrochemical measurements were used to determine the electronic structure of the conjugated polymer. The PS-OPV was successfully used as a blue light emitting layer in single and multilayer electroluminescence devices.
引用
收藏
页码:1271 / 1272
页数:2
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