Effects of thermal annealing on the performance of polymer light emitting diodes

Jie Liu, Tzung Fang Guo, Yang Yang

研究成果: Article同行評審

119 引文 斯高帕斯(Scopus)

摘要

Thermal annealing plays an important role in controlling morphologies of polymer thin films and consequently the device performance, such as emission spectra, turn-on voltages, quantum efficiency of photoluminescence (PL) and electroluminescence (EL). In thermal annealing there is a tradeoff between hole-injection efficiency and PL efficiency. Annealing at a temperature higher than the glass transition temperature can improve the efficiency of hole injection at the expense of the PL efficiency, and vice versa. Optimizing the annealing conditions can improve the overall EL efficiency. The high efficiency of poly(2-methoxy-5-(2 -ethyl-hexyloxy)-1,4-phenylene vinylene based polymer light-emitting diodes is demonstrated: 2.7 cd/A at a luminescence of 1000cd/m 2.

原文English
頁(從 - 到)1595-1600
頁數6
期刊Journal of Applied Physics
91
發行號3
DOIs
出版狀態Published - 2002 2月 1

All Science Journal Classification (ASJC) codes

  • 一般物理與天文學

指紋

深入研究「Effects of thermal annealing on the performance of polymer light emitting diodes」主題。共同形成了獨特的指紋。

引用此