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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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Ali, Muhammad
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Synergetic and anomalous effect of <scp>CNTs</scp> in the sulphide‐based binary composite for an extraordinary and asymmetric supercapacitor devicecitations
- 2024Nanoparticle's efficacy in the suppression of heavy metals that affect breast cancer progression.citations
- 2023Exploring the potential of hydrothermally synthesized AgZnS@Polyaniline composites as electrode material for high-performance supercapattery devicecitations
- 2023Mechanically robust and highly elastic thermally induced shape memory polyurethane based composites for smart and sustainable robotic applicationscitations
- 2023Prediction of Coal Dilatancy Point Using Acoustic Emission Characteristicscitations
- 2023Biologically potent organotin(<scp>iv</scp>) complexes of <i>N</i>-acetylated β-amino acids with spectroscopic, X-ray powder diffraction and molecular docking studiescitations
- 2023Baseline ImPACT Composite Scores in Student-Athletes With Attention-Deficit/Hyperactivity Disordercitations
- 2023Advanced High‐Energy All‐Solid‐State Hybrid Supercapacitor with Nickel‐Cobalt‐Layered Double Hydroxide Nanoflowers Supported on Jute Stick‐Derived Activated Carbon Nanosheetscitations
- 2022Hybrid composites based on textile hard waste: use as sunshadescitations
- 2020Optimization of tensile properties of bagasse fiber-reinforced composite using response surface methodology
- 2020Investigation of fiber orientation and void content in bagasse fiber composites using image analysis technique
- 2016Self-assembled Multilayers of Silica Nanospheres for Defect Reduction in Non- and Semipolar Gallium Nitride Epitaxial Layers.
- 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
Places of action
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article
Maskless roughening of sapphire substrates for enhanced light extraction of nitride based blue LEDs
Abstract
A simple wet etching method based on the use of hot sulphuric (H2SO4) acid for roughening of the backside of the sapphire substrates for creating light scattering objects without any lithography processes is described. Scanning electron microscope images show that this method offers a possibility to tailor the size of the scattering objects by varying the treatment time. A metal organic vapor phase epitaxy (MOVPE) grown light emitting diode (LED) structure having a roughened sapphire backside exhibits a 20-25% increase of the electroluminescence output power compared to a reference sample on the standard c-plane sapphire at the operating wavelength of 460 nm. © 2008 Elsevier Ltd. All rights reserved.