Browsing Qatar University Young Scientists Center by Title
Now showing items 101-120 of 178
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Review on two-terminal and four-terminal crystalline-silicon/perovskite tandem solar cells; progress, challenges, and future perspectives
( Elsevier , 2022 , Article Review)Silicon (Si) solar cells are the dominant and well-developed solar technology holding more than 95% share of the photovoltaic market with efficiencies over 26%. Still, this value is far away from the Shockley–Queisser limit ... -
Revolutionizing Emergency Healthcare with a Mobile App
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Even if it's not usually mentioned, there are numerous instances in Morocco where patients have lost their lives due to delays in ambulance response. Access to timely emergency medical services is critical, especially in ... -
The Role of Multidisciplinary Chemistry Informal Research Programs in Building Research Competencies and Attitudes
( American Chemical Society , 2022 , Article)This article is focused on the effectiveness of an innovative research-based learning model that employs chemistry-based research projects in developing high school students' research competency and attitudes. The ... -
Salinity Concrete of Palm Ash
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)This project studies the partial replacement of cement content in the concrete by the palm ash in the presence of seawater as a full replacement of pure water in mixing of the concrete. Certain percentages of replacement ... -
A STEM model to engage students in sustainable science education through sports: A case study in Qatar
( MDPI , 2021 , Article)Sports has the potential to integrate with different scientific subjects, including materials science and engineering, making it an ideal approach to enhance the students’ affinity toward sustainable education in science, ... -
Study of polyaniline-silver nanocomposite as humidity sensor
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Study of polyaniline-silver nanocomposite as humidity sensor J. Bhadra, A. Popelka, N. J. Al-Thani, A. Abdulkareem Center for Advanced Materials, Qatar University, Qatar Abstract In this piece of work focus on fabrication ... -
Study on the corrosion behavior of polymeric nanocomposite coatings containing halloysite nanotubes loaded with multicomponent inhibitor
( Elsevier B.V. , 2022 , Article)In the present study, the halloysite nanotubes (HNTs) were loaded with a multicomponent inhibitor (LHNT) comprising mainly benzotriazole (BTA), sodium benzoate (SB), and lauric acid (LA) via the vacuum cycling method. The ... -
Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The diversity of human activities and the expansion of agricultural work led to an increase in nutrient accumulation, which reached aquatic ecosystems, causing algal blooms. This highlighted the importance of the treatment ... -
Studying the effect of using zinc chloride on dyeing cotton fabrics with licorice extract
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Natural dyes have been known to be used to color foodstuffs, and leather in addition to natural fibers such as wool, silk, and cotton as significant fields of application since prehistoric times. Natural dyes produce an ... -
Synthesis and characterization Al2O3-ZrO2 bio-nanostructures with sintering effect, residual and thermally stable analysis
( S.C. Virtual Company of Phisics S.R.L , 2021 , Article)The thermal stability of nano composite materials is the important aspect of the modern era. In the advance modern devices, the nanostructures and nano composite material are used for the biological and other applications. ... -
Synthesis and photoelectrochemical performance of Co doped SrTiO3 nanostructures photoanode
( Wiley , 2023 , Article)It is pertinent to realize that scientific research indicates that the most promising method for producing H2 is photo electrochemical water splitting through a photo anode. Cobalt-doped SrTiO3 (Co-SrTiO3) composite ... -
A tailored innovative model of “research internship” aimed at strengthening research competencies in STEM undergraduates
( Emerald Publishing Limited , 2024 , Article)Purpose: Research internships are integral components of undergraduate programs that nurture students' skill sets. However, the current trend of these internships adopting a direct apprenticeship model, often termed ... -
Television's Evolution: Tracing the Transition from Analog Signals to Digital Streaming
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The evolution of television, a cornerstone of modern communication, has undergone transformative changes since its inception (Noll, 1999). From its earliest experimental broadcasts to the era of high-definition screens and ... -
The use of Smartphone Audio and Artificial Intelligence to diagnose several health diseases
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Artificial intelligence (AI) has made significant progress in various fields, including healthcare. However, its implementation faces challenges such as precision, resilience, and interpretability. AI algorithms rely on ... -
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
( Elsevier , 2022 , Article)Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability ... -
TiO2 encrusted MXene as a High-Performance anode material for Li-ion batteries
( Elsevier B.V. , 2022 , Article)TiO2 has the potential to be a viable anode material for high-power lithium-ion batteries (LIBs). However, the lower electronic conductivity of TiO2 limits its practical applications. Here, the synthesis of novel TiO2 ... -
Towards Solving Cocktail-Party: The First Method to Build a Realistic Dataset with Ground Truths for Speech Separation
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Speech separation is very important in real-world applications such as human-machine interaction, hearing aids devices, and automatic meeting transcription. In recent years, a significant improvement occurred towards the ... -
Treated Medical Wastes Concrete
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Medical wastes are hazardous, toxic and even lethal because of their high potential for disease transmission, All countries face a serious problem in the disposal of the medical wastes, where medical wastes rise rapidly ... -
Undergraduate Research Experience Models: A systematic review of the literature from 2011 to 2021
( Elsevier , 2022 , Article)Undergraduate research experiences (UREs) impart a great deal of knowledge to undergraduate students, enhance the research capital of institutes, and authenticate the country's educational outcomes. To effectively assimilate ... -
Water-Repellent Finish on Cotton Fabric by Plasma technique Using Sulfur Hexafluoride SF6
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In order to make cotton fabric resistant to water, a radio-frequency plasma system was utilized to treat the fabric with SF6 etching at a low pressure of 0.5 mbar and a flow rate of 200 sccm. The efficacy of the water-repellent ...