%0 Journal Article
%T Influence of the electric field on carriers recombination zone in bilayer organic electroluminescent device
%A Shengyi Yang
%A Zhenjia Wang
%A Zheng Xu
%A Xiaohong Chen
%A Yanbing Hou
%A Xurong Xu
%J Chinese Science Bulletin
%@ 1861-9541
%D 2000
%I 
%R 10.1007/BF02886226
%X The electroluminescence (EL) of bilayer devices (ITO/Polymer/Alq3/Al) made from two PPV derivatives (MN-PPV and MEH-PPV), respectively, and the influence of the organic layers¡¯ thickness on the characteristics of the device are investigated. Different spectra and variations are observed for different thicknesses of Alq3 layer in this bilayer organic light-emitting diodes (LEDs) as increasing applied bias. Based on the energy level and field-assisted tunneling at the interface, we attributed these phenomena to electric field redistribution in the device and field-assisted charges being transported and tunneling through energy barrier at high electric field.
%K electroluminescence
%K bilayer devices
%K recombination zone
%K carriers
%U http://link.springer.com/article/10.1007/BF02886226