Polypyridine as an efficient electron-transporting polymer for light-emitting diodes

被引：5

作者：

Dailey, S ^{[1
]}

Halim, M ^{[1
]}

Rebourt, E ^{[1
]}

Samuel, IDW ^{[1
]}

Monkman, AP ^{[1
]}

机构：

[1] Univ Durham, Dept Phys, Durham DH1 3LE, England

来源：

ORGANIC LIGHT-EMITTING MATERIALS AND DEVICES | 1997年 / 3148卷

关键词：

polypyridine; light-emitting diodes; electroluminescence; electron transport; PPV; MEH-PPV;

D O I：

10.1117/12.284170

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In polymer light-emitting diodes (LEDs), a pre-requisite for efficient operation is the balance of injection and transport of electrons and holes. This has stimulated much research into suitable electron-injecting and transporting materials. We report the use of polypyridine as an efficient electron-transporting layer in polymer LEDs. We have achieved much improved LED performance by incorporating polypyridine as an electron-transporting polymer in LEDs using either poly(p-phenylenevinylene) or poly(2-methoxy, 5-(2'ethyl-hexyloxy)-p-phenylenevinylene as the hole-transporting and emitting layer. The optimisation of the layer thicknesses leads to increases in efficiency of up to a factor 60 over comparable single layer devices.

引用

页码：82 / 88

页数：7