Abstract

The interposition of a thin-metal buffer between the anode and active layers of an organic light emitting diode (OLED) can significantly improve hole injection. Experimental results of devices using silver, gold, and gold-palladium layers are presented and correlated to their respective work functions. A significant reduction in resistivity was observed with a silver buffer layer in a bilayer OLED device. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2070–2072, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21837

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