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Top-Emitting Organic Light-Emitting Devices Based on Silicon Substrate with High Luminance and Low Turn-on Voltage

We have fabricated a top-emitting organic light-emitting device on silicon substrate with high yellow luminance based on 5,6,11,12-tetraphenylnaphthacene sub-monolayer. It consists of a thin layer of highly conductive silver as the semitransparent cathode and surfaced-modified Ag as the anode. The device turns on at 3 V with the luminance of 8.4 cd/m2. The maximum current efficiency is 1.3 cd/A at 6 V and the luminance reaches 14790 cd/m2 at 14 V. The performance of the device is excellent in top-emitting organic light-emitting devices according to our knowledge.