Influence of the elimination temperature on light emitting devices prepared from poly(p-phenylene vinylene)

被引：25

作者：

Herold, M ^{[1
]}

Gmeiner, J ^{[1
]}

Schwoerer, M ^{[1
]}

机构：

[1] UNIV BAYREUTH,BAYREUTHER INST MAKROMOLEK FORSCH,D-95440 BAYREUTH,GERMANY

来源：

ACTA POLYMERICA | 1996年 / 47卷 / 10期

关键词：

D O I：

10.1002/actp.1996.010471003

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We report detailed measurements on the thermal conversion of the tetrahydrothiophene prepolymer to poly( p-phenylene vinylene) (PPV) and show the influence of the elimination conditions on the properties of PPV and on light emitting devices (LEDs) prepared in the configuration ITO/PPV/Al. Electroluminescence correlates with a diode behavior in the current-voltage characteristic and can be observed for PPV heated at a minimum temperature of 130 degrees C. Increase of the elimination temperature results in a red-shift of both the photoluminescence and electroluminescence spectra by approximate to 10 nm, which enables us to control the color of our LEDs in a small range. We have observed that refered to the brightness of the devices the optimum elimination temperature is 160 degrees C, and we show that a further increase of temperature does not improve the properties of PPV-LEDs.

引用

页码：436 / 440

页数：5

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