Effect of window layer with different growth modes on the photoelectric properties of AlGaInP LED
AIP ADVANCES(2023)
摘要
The AlGaInP window layers with different growth modes of Al in (AlxGa1-x)(0.5)In0.5P were prepared to investigate the effect of different growth modes of Al on the photoelectric properties of red LEDs. The experimental results show that the forward voltage of (AlxGa1-x)(0.5)In0.5P LEDs n-window layer with the ridge gradient Al content was 30 mV (x = 0.15) and 190 mV (x = 0.45), respectively, which are lower than that of the n-window layer without ridge gradient Al content samples. Meanwhile, the light output power of the ridge gradient Al content LED is 12.3% (x = 0.15) and 3.6% (x = 0.45) higher than that of the other two samples, respectively. Compared with the Al composition ridge gradient sample, the photoelectric efficiency is 2.45% (x = 0.15) and 5.68% (x = 0.45), respectively, due to the reduction in the voltage and the increase in the light output power.
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关键词
photoelectric properties,led,window layer,algainp,different growth modes
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