Intrinsic and extrinsic constraints on phenylenevinylene polymer electroluminescence

被引：45

作者：

Rothberg, LJ ^{[1
]}

Yan, M ^{[1
]}

Son, S ^{[1
]}

Galvin, ME ^{[1
]}

Kwock, EW ^{[1
]}

Miller, TM ^{[1
]}

Katz, HE ^{[1
]}

Haddon, RC ^{[1
]}

Papadimitrakopoulos, F ^{[1
]}

机构：

[1] UNIV CONNECTICUT,INST MAT SCI,STORRS,CT 06269

来源：

SYNTHETIC METALS | 1996年 / 78卷 / 03期

关键词：

phenylenevinylene; electroluminescence;

D O I：

10.1016/0379-6779(96)80144-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Studies of phenylenevinylene polymer photophysics show that luminescence yield is reduced by interchain charge transfer quenching of excitons. We present evidence that non-emissive interchain excitons also play a role in electroluminescent devices and describe one synthetic strategy to reduce their importance. Addition of oxidation defects can further reduce luminescence yield and the mechanism for this is clarified by studies of model oligomers.

引用

页码：231 / 236

页数：6

共 26 条

[21] SPATIALLY INDIRECT EXCITONS AS PRIMARY PHOTOEXCITATIONS IN CONJUGATED POLYMERS [J].