Electrical properties of III-Nitride LEDs: Recombination-based injection model and theoretical limits to electrical efficiency and electroluminescent cooling [PDF]
, 2016 The current-voltage characteristic and ideality factor of III-Nitride quantum well light-emitting diodes (LEDs) grown on bulk GaN substrates are investigated. At operating temperature, these electrical properties exhibit a simple behavior.
A. David, C. Hurni, N. Young, M. Craven
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The influence of the preparation method of NiOx photocathodes on the efficiency of p-type dye-sensitised solar cells [PDF]
, 2015 Improving the efficiency of p-type dye-sensitized solar cells (DSCs) is an important part of the development of high performance tandem DSCs. The optimization of the conversion efficiency of p-DSCs could make a considerable contribution in the ...
Dini, Danilo +3 more
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A new miniaturized multi-band transparent antenna for V2X communication [PDF]
ITM Web of ConferencesIntelligent transportation services are being developed to enhance road safety, increase traffic efficiency, achieve higher speeds, and alleviate traffic congestion. This article presents the design and simulation results of a novel, compact, transparent
Ourahou Omar +2 more
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Systematic approach for improving energy efficiency in industrial facilities, from energy audit to practical implementation – case study production of autoclaved aerated concrete [PDF]
E3S Web of Conferences, 2019 In today’s globalized world, need for competitiveness on one side and constant pressure on the reduction of negative environmental impacts on the other side, are forcing industrial companies to systematically analyse all possibilities for the ...
Sucic Boris +3 more
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Birotor Coaxial Model Estimation using Different Influence Function of Cultural Algorithm [PDF]
ITM Web of ConferencesThis work investigates the estimation of a coaxial birotor UAV’s model parameters by utilizing four influence function of Cultural Algorithm (CA). The CA is regarded as a strong algorithm that can adapt to a variety of problems.
Azegmout Mohamed +3 more
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Outdoor Investigation of High Concentrator Photovoltaic Under Uniform and Non-Uniform Illumination
Journal of Daylighting, 2020 This study was performed in outdoor conditions to quantify the level of influence on the electrical performance of the Multi-junction (MJ) solar cells.
Hashem Shatnawi, Abdulrahman Aldossary
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Asymptotic dispersion engineering for ultra-broadband meta-optics
Nature Communications, 2023 Dispersion decomposes compound light into its monochromatic components, which is detrimental to broadband imaging but advantageous for spectroscopic applications.
Yueqiang Hu +9 more
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Three-way electrical gating characteristics of metallic Y-junction carbon nanotubes [PDF]
, 2006 Y-junction based carbon nanotube (CNT) transistors exhibit interesting switching behaviors, and have the structural advantage that the electrical gate for current modulation can be formed by any of the three constituent branches.
Bandaru, P. R. +5 more
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Metamaterial-Inspired Efficient Electrically Small Antennas [PDF]
IEEE Transactions on Antennas and Propagation, 2008 Planar two-dimensional (2D) and volumetric three-dimensional (3D) metamaterial-inspired efficient electrically-small antennas that are easy to design; are easy and inexpensive to build; and are easy to test; are reported, i.e., the EZ antenna systems. The proposed 2D and 3D electrical- and magnetic-based EZ antennas are shown to be naturally matched to
Erentok, Aycan, Ziolkowski, R. W.
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Nature Energy, 2023 Silicon heterojunction (SHJ) solar cells have reached high power conversion efficiency owing to their effective passivating contact structures. Improvements in the optoelectronic properties of these contacts can enable higher device efficiency, thus ...
Hao Lin +15 more
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