22 October 2010 Fabrication and characterization of photo cathode materials for transparent organic light-emitting diodes
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Abstract
In this work structural composition and fabrication process of cathode for transparent OLED were investigated. Using a LiF/Al/Ag/Alq3 semitransparent cathode and a Mg:Ag/ITO cathode, green fluorescent transparent organic light-emitting devices (TOLEDs) were fabricated. ITO was evaporated as a cathode onto a thin Mg:Ag layer by DC magnetron sputtering method with the assistance of tiny H2O vapor during deposition process. The fabrication of LiF/Al/Ag/Alq3 electrode was processed without breaking the vacuum. At a bias of 15 V, the luminance of the TOLED with Mg:Ag/ITO and LiF/Al/Ag/Alq3 cathode were 3016 and 4535 cd/m2, respectively. The results indicate that LiF/Al/Ag/Alq3 electrode can be used as an effective and stable cathode in TOLEDs.
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Hui Lin, Hui Lin, Junsheng Yu, Junsheng Yu, Nana Wang, Nana Wang, Chunhua Huang, Chunhua Huang, Yadong Jiang, Yadong Jiang, } "Fabrication and characterization of photo cathode materials for transparent organic light-emitting diodes", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76583D (22 October 2010); doi: 10.1117/12.866917; https://doi.org/10.1117/12.866917
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