Fabrication of Ag₂O/WO₃ based sensors for detection of hydrogen sulfide حسب Ahmad Al-Sarraj (17151007)

"…The results can be attributed to the decrease in the energy bandgap due to increasing the Ag content and the strong interaction between the Ag and WO₃ and silver to silver oxide transformation at low annealing temperatures. …"

Structural and physical properties of the dust particles in Qatar and their influence on the PV panel performance حسب Brahim Aïssa (14157243)

"…However, even when these characteristics have been addressed appropriately, there are other factors that adversely affect the performance of PV systems, namely the temperature-induced voltage decrease leading to a PV power loss and the dust accumulation (soiling). …"

Visible Light Photocatalytic Activity of Ag/WO₃ Nanoparticles and its Antibacterial Activity Under Ambient Light and in The Dark حسب Maha Matalkeh (17148358)

"…Ultraviolet–visible spectra analysis observed a large redshift in the absorbing band edge and decreased bandgap energy from 2.6 to 2.1 eV. Photocatalytic analysis at different concentrations of 1% Ag/WO₃ under visible light indicated a high degradation efficiency. …"

Performance of Monofacial and Bifacial Silicon Heterojunction Modules under Desert Conditions and the Impact of PV Soiling حسب Amir A. Abdallah (11183642)

"…Moreover, the bifacial module was found to be less sensitive to the PV soiling than the monofacial module. The results showed that the frequency of module cleaning could be reduced for the bifacial module compared with the monofacial module, resulting in a remarkable decrease in the module cleaning cost and PV site Operation and Maintenance cost.…"

Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers حسب Madisa V.G., Varaprasad

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Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions حسب Laith Kanaan (21632714)

"…To test the performance of the developed model, real-time load and photovoltaic (PV) data were used in conjunction with a PV-DG-ESS hybrid plant. …"

Determining the influencing factors in the residential rooftop solar photovoltaic systems adoption: Evidence from a survey in Qatar حسب Omar F. Alrawi (19418938)

"…<p>Renewable energy sources have developed rapidly, decreased in cost, and proven to have the potential to limit global warming. …"

Rooftop Photovoltaic Systems Adoption Using a Sequential Mixed Methods Approach in Qatar حسب Omar Alrawi (18060856)

"…Rooftop and building-integrated photovoltaic (PV) systems are ideal for collecting solar energy. …"

A new method for improving the solar photovoltaic unit efficiency through neem oil as coolant medium for high power applications—an experimental investigation حسب Karthikeyan Ganesan (269200)

"…Thus, the critical outcomes of the monocrystalline and polycrystalline PV panels are to decrease the panel temperature by 2.29% and 4.34%, respectively, and enhance the efficiency of the PV panels by 15.0% and 17.8%, respectively.…"

A pathway to 25% reduction in greenhouse gas emission by 2030 using GIS-Based multi-criteria decision making for renewables, date palm (phoenix dactylifera), and carbon credits: a... حسب Hazrat Bilal (7367477)

"…Also, while Qatar has the potential to meet 20% of its energy demand by 2030 from renewable sources by using solar PV and wind, this will only account for a 14.28% reduction in overall emissions. …"

Grid integration of renewable energy in Qatar: Potentials and limitations حسب Eric C. Okonkwo (14151060)

"…The results show that large-scale installations of renewable energy technologies can decrease the emission rate from electricity production at a relatively lower cost. …"

Thermal energy storage with phase change materials to increase the efficiency of solar photovoltaic modules حسب Torsten Klemm (19691671)

"…<p>Thermal management is an essential design part for the application of solar photovoltaic (PV) modules, especially in hot regions in the Middle East. …"

Effect of AlN nanoparticle concentration in the electrolyte on corrosion resistance and mechanical properties of the electrodeposited composite coatings حسب Khan, M.S.

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Antibacterial Properties of Polysulfone Membranes Blended with Arabic Gum حسب Souhir Sabri (9553808)

"…A pronounced decrease in bacterial attachment was seen in the field emission scanning electron microscopy (FESEM) images for PS/AG membrane samples compared to both commercial (Microdyn-Nadir) and bare PS (without AG) membranes. …"

Deep Learning-Based Fault Diagnosis of Photovoltaic Systems: A Comprehensive Review and Enhancement Prospects حسب Majdi Mansouri (16869885)

"…These faults may affect the different system components such as PV modules, connection lines, converters/inverters, which can lead to a decrease in the efficiency, performance, and further system collapse. …"

Evaluation of the cementite morphology influence on the hydrogen induced crack nucleation and propagation path in carbon steels حسب Shabnam Karimi (19457575)

"…The ECCB tests were performed in H-free and two H charging steps with −1050 mV and −1550 mV charging potential versus Ag/AgCl reference electrode. The results show that both materials are resistant to crack initiation in the H-free condition while under −1050 mV charging, crack propagates through the grain boundaries in a tortuous path in spheroidite mi-crostructure and the lamellar microstructure displayed a higher strength with small cracks propagating through both the grain boundaries and the lamellas. …"

Mirizzi Syndrome: Mastering the Challenge, Characterization and Management Outcomes in a Retrospective Study of 60 Cases حسب Yousef Yahia (19756989)

"…Laparoscopic cholecystectomy was the most common surgical approach (76.7%), particularly in type 1 (79.6%), and decreased to 50% in advanced types. Hepaticojejunostomy was more common in the advanced types.…"

Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels حسب Haya Al-Sulaiti (5449256)

"…Gold (AuNPs) and silver (AgNPs) NPs are among the important nanoplatforms that received extensive attention recently for various biomedical applications. …"

Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture حسب Slimani, Ahmed

"…A series of photomagnetic coordination polymer core-shell heterostructures, based on the light-switchable RbaCob[Fe(CN)6]c·mH2O (RbCoFe-PBA) as core with the isostructural KjNik[Cr(CN)6]l·nH2O (KNiCr-PBA) as shell, are studied using temperature-dependent powder X-ray diffraction and SQUID magnetometry. …"
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Optoelectronic properties of highly porous silver oxide thin film حسب Ahmad Al-Sarraj (17151007)

"…The obtained results indicate the formation of mixed mesoporous Ag₂O and AgO NW thin films. The Ag₂O phase of silver oxide appears after 300 s of oxidation under the same conditions, while the optical transparency of the thin film decreases as plasma etching time increases. …"