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    Recombination zone and efficiency in bipolar single layer light-emitting devices: a numerical study

    The efficiency of organic light-emitting devices (OLEDs) is closely related to the position and width of recombination zone (RCZ) in the emission layer. Based on the drift–diffusion theory of carrier motion in...

    Ying-Quan Peng, Qing-Sen Yang, Hong-Wei **ng, Xun-Shuan Li… in Applied Physics A (2008)