LED05–Engineering the Active Region to Enhance the IQE by ~8% in AlGaN/GaN based UVC LED
To increase the internal quantum efficiency (IQE) of AlGaN/GaN based multi quantum-well (MQW) UV-C LED, the aluminium composition of barriers and wells in the active region has been engineered. Increase in electron-hole overlap and hence the radiative recombination rate in the final engineered structure has enabled to enhance the IQE by 8%.
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