Reduction of photoluminescence quantum yield by interchain interactions in conjugated polymer films

被引：57

作者：

Jakubiak, R ^{[1
]}

Rothberg, LJ

Wan, W

Hsieh, BR

机构：

[1] Univ Rochester, Dept Chem, Rochester, NY 14627 USA

[2] NSF, Ctr Photoinduced Charge Transfer, Rochester, NY 14627 USA

[3] Xerox Wilson Ctr Technol, Webster, NY 14580 USA

来源：

SYNTHETIC METALS | 1999年 / 101卷 / 1-3期

基金：

美国国家科学基金会;

关键词：

photoluminescence; electroluminescence; poly(phenylene vinylene) and derivatives;

D O I：

10.1016/S0379-6779(98)00215-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We use new photoluminescence data to conclusively establish that photoexcitation of substituted phenylenevinylene polymer films results in a large quantum yield of nearly nonluminescent interchain excitations at ambient temperatures. These data are acquired in the low excitation density regime where excited state interactions are negligible. This result has significant implications for material design and processing to make polymer light-emitting diodes.

引用

页码：230 / 233

页数：4

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