ZnSe Light Emitting Diode Quantum Efficiency and Emission Characterization

  • Sahbudin U
  • Wahid M
  • Poopalan P
  • et al.
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© 2016 The Authors, published by EDP Sciences.ZnSe has demonstrated as a potential candidate in realizing advance LED in some appications for current and future works that utilize a cheaper preparation technique. Blue and white LEDs have been shown to spread across compound semiconductors. This II-VI compound semiconductor with a direct and wide band gap is used in the study which focused on a preparation and its characterization. The device is developed using a circular chip of ZnSe but only part of the active region is designed to allow shorter computation time. Analyses of the proposed LED are performed in an environment that allows optical transition and nonradiative recombination mechanisms. Voltage variation from 0 V to 1.5 V is maintained throughout the observation. The curent-voltage plot shows the p-n junction or diode behavior with central emissive layer. The two dimensions surface emission rate obtained indicates that voltage increment causes the emission concentration to become higher near the central pcontact. The LED efficiency is assessed in terms of internal quantum efficiency and emitting rate.




Sahbudin, U. K., Wahid, M. H. A., Poopalan, P., Hambali, N. A. M. A., Shahimin, M. M., Ariffin, S. N., … Ramli, M. M. (2016). ZnSe Light Emitting Diode Quantum Efficiency and Emission Characterization. MATEC Web of Conferences, 78, 01114. https://doi.org/10.1051/matecconf/20167801114

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