Figure 5.

Current density-voltage and luminance-voltage characteristics for TOLED devices with different anodes. Al (blue, S1), Fe(100)/MgO(100) (green, S2), Fe(100) (red, S3), and poly-Fe (black, S4) anodes. More detailed information about each sample structure is given in Table 1.

Bae et al. Nanoscale Research Letters 2012 7:650   doi:10.1186/1556-276X-7-650
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