High electrical conductivity, outstanding optical transparency, and work functions considerably greater than that of commercial indium tin oxide (ITO) organic light-emitting devices (OLEDs) have been obtained with non-ITO anodes. The Figure shows the crosslinked form of triarylamine (TAA), which is spin-coated on top of the anode to improve cohesion and charge injection efficiency.
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Cui et al. (2001) studied this question.
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