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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sopanen, Markku
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Topics
Publications (10/10 displayed)
- 2020Metalorganic vapor phase epitaxy of wurtzite InP nanowires on GaNcitations
- 2017Grass-like Alumina with Low Refractive Index for Scalable, Broadband, Omnidirectional Antireflection Coatings on Glass Using Atomic Layer Depositioncitations
- 2010GaAs nanowire and crystallite growth on amorphous substrate from metalorganic precursorscitations
- 2009Maskless roughening of sapphire substrates for enhanced light extraction of nitride based blue LEDscitations
- 2008Enhanced electroluminescence in 405 nm InGaN/GaN LEDs by optimized electron blocking layercitations
- 2007Reduction of threading dislocation density in Al0.12Ga0.88N epilayers by a multistep techniquecitations
- 2007Control of the morphology of InGaN/GaN quantum wells grown by metalorganic chemical vapor depositioncitations
- 2007Reduction of threading dislocation density in A1 0.12 Ga 0.88 N epilayers by a multistep techniquecitations
- 2006Comparison of epitaxial thin layer GaN and InP passivations on InGaAs near-surface quantum wellscitations
- 2006Morphology optimization of MOCVD-grown GaN nucleation layers by the multistep techniquecitations
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article
Enhanced electroluminescence in 405 nm InGaN/GaN LEDs by optimized electron blocking layer
Abstract
<p>In this work, we have investigated the effect of AlGaN electron blocking layer (EBL) doping level and thickness on the optical properties of near-UV (405 nm) InGaN/GaN multiple quantum well (MQW) light emitting diodes (LEDs) grown by metal organic chemical vapor deposition (MOCVD). Photoluminescence (PL) and electroluminescence (EL) of LEDs with a 50-nm-thick undoped GaN spacer layer between the EBL and the MQW stack were systematically studied. We will present evidence showing that the optimal EBL doping and thickness has an important role in the optimization of near-UV LED output power. By employing the optimized EBL structure we were able to enhance the EL intensity by a factor of five compared to the similar structure without the EBL. © 2008 Elsevier B.V. All rights reserved.</p>