SYNTHESIS, ELECTRICAL-CONDUCTIVITY AND ELECTROLUMINESCENCE OF POLY(P-PHENYLENE VINYLENE) PREPARED BY THE PRECURSOR ROUTE

被引：91

作者：

GMEINER, J ^{[1
]}

KARG, S ^{[1
]}

MEIER, M ^{[1
]}

RIESS, W ^{[1
]}

STROHRIEGL, P ^{[1
]}

SCHWOERER, M ^{[1
]}

机构：

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

来源：

ACTA POLYMERICA | 1993年 / 44卷 / 04期

关键词：

D O I：

10.1002/actp.1993.010440405

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 present a detailed experimental procedure for the synthesis of poly(p-phenylene vinylene) by the precursor route. Special emphasis is given to the conditions of the thermal elimination reaction that leads from the processable precursor polymer 4 to PPV. We found that a temperature of 320-degrees-C is necessary to remove sulphur and chlorine containing defect structures which are probably formed by nucleophilic substitutions during thermal elimination. PPV prepared by our procedure contains 0.12% of chlorine and 0.15% of sulphur. With this material we are able to prepare large area light emitting diodes (LED) which work at driving voltages as low as 2 Volts in an ITO/PPV/Al configuration. The low threshold results in an improved device performance: So a LED continuously driven with a current density of 20 mA/cm2 emits light for one week at ambient conditions and for more than four weeks if operated in a glove box at room temperature.

引用

页码：201 / 205

页数：5