首页 | 本学科首页   官方微博 | 高级检索  
检索        


Novel Light Emitting Diode Using Organic Electroluminescence Microcapsules
Authors:Jae‐Seok Heo  No‐Hyung Park  Jee‐Hyun Ryu  Gyung‐Hyun Choi  Kyung‐Do Suh
Abstract:Novel light emitting diodes (LEDs) were prepared using electroluminescence (EL) material/polymer microcapsules (ELC). N‐vinylcarbazole as a hole‐transporting component and methyl methacrylate (MMA) were copolymerized for producing the seed particles using dispersion polymerization. An oxadiazole derivative, synthesized as a electron‐transporting component, and tris(8‐hydroxyquinolinato) aluminium(III) (Alq3) were incorporated into the polymer particles by using the solute co‐diffusion method (SCM). The LEDs for the EL characterization were fabricated in a thin sandwich configuration: Al anode/ELC/ITO cathode. The surface imaging of the LED prepared using ELC was performed by atomic force microscopy (AFM). The EL characteristics of the ELC were investigated by UV, photoelectron and luminescence spectroscopy, and the current‐voltage and the light‐voltage characteristics for the LED were determined.
image

Encapsulation procedure using solute co‐diffusion method (SCM).

Keywords:EL capsules (ELC)  light‐emitting diodes (LED)  microencapsulation  poly(MMA‐co‐VC) seed particles  solute co‐diffusion method (SCM)
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号