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The electrode composition strongly affects nearly every aspect of light-emitting electrochemical cell (LEC) operation. The electrode effect is explained in terms of the difference in electrode work function, which determines the efficiency of electronic charge injection at low doping levels. The results suggest that both the active layer and the electrodes should be considered and optimized in order to realize high-performance LECs.
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Hohertz et al. (2008) studied this question.
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