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Luminance versus driving voltage (a) and current efficiency versus luminance (b) plots of the SCB11 blue PLEDs (combination of LiF thickness: ; annealing temperature: , as specified).
Current (absolute value for inverse bias) vs driving voltage curves of SCB11 PLEDs (a). Lifetime plot at (b).
Hole mobility as a function of the square of electric field strength (pristine SCB11 and annealed film at , at nitrogen atmosphere). Lines are linear fitting to obtain the Poole–Frenkel parameters.
AFM images of pristine SCB11 film (a), and annealed film at (b). Annealing time was in nitrogen atmosphere.
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