Qatar University Young Scientists Center: Recent submissions
Now showing items 121-140 of 322
-
Focused review on factors affecting martensitic stainless steels and super martensitic stainless steel passive film in the oil and gas field
( Springer Science and Business Media Deutschland GmbH , 2024 , Article Review)Martensitic and super martensitic stainless steels are widely used in the oil and gas industry for general corrosion mitigation in the presence of sweet corrosion (CO2) and sour corrosion (H2S), providing a cost-effective ... -
High school teachers' perceptions of technology integration in instruction
( Emerald Publishing , 2024 , Article)Purpose: This exploratory research intends to comprehend the perspectives of high school teachers toward incorporating technology in instruction. Design/methodology/approach: Drawing upon Davis's technology acceptance model ... -
Efficient solar energy harvesting via thermally stable tungsten-based nanostructured solar thermophotovoltaic systems
( Elsevier , 2024 , Article)Electromagnetic radiations are a key energy source, which, by deploying bandgap-engineered devices, are directed onto PV cells to maximize their utilization. In this regard, the Solar Thermophotovoltaic (STPV) systems are ... -
DEVELOPING THE DETERMINANTS TO ASSESS THE AI LEARNER OUTCOMES
( IATED , 2024 , Conference)Within the current educational milieu, incorporating Artificial Intelligence (AI) into secondary education is deemed imperative, serving as a requisite measure to equip students with fundamental aptitudes essential for ... -
Current trends and prospects in catalytic upgrading of lignocellulosic biomass feedstock into ultrapure biofuels
( Elsevier , 2023 , Article)Eco-friendly renewable energy sources have recommended as fossil fuel alternatives in recent years to reduce environmental pollution and meet future energy demands in various sectors. As the largest source of renewable ... -
Tailored nanofiber composites for a flexible piezoelectric nanogenerator: Poly(vinylidene fluoride) with BaTiO3/NiFe2O4
( Elsevier , 2024 , Article)Owing to the depletion of fossil fuel energy and the pollution caused by chemical batteries, as well as the growing number of electronic devices and the Internet of Things (IoT), there is a greater demand for power devices ... -
Unveiling the redox electrochemistry of 1D, urchin-like vanadium sulfide electrodes for high-performance hybrid supercapacitors
( Elsevier , 2023 , Article)Exploring novel versatile electrode materials with outstanding electrochemical performance is the key to the development of advanced energy conversion and storage devices. In this work, we aim to construct new-fangled ... -
Author Correction: Stretchable Electrospun PVDF-HFP/Co-ZnO Nanofibers as Piezoelectric Nanogenerators (Scientific Reports, (2018), 8, 1, (754), 10.1038/s41598-017-19082-3)
( Nature Research , 2019 , Article)In Figure 5, Co-ZnO was incorrectly given as Ni-ZnO. In addition, the line on the graph for PVDF-HFP was omitted. The correct Figure 5 appears below as Figure 1. (Figure presented.). -
α-Fe2O3/ZnO nanocomposite as an efficient photocatalyst for wastewater treatment and flexible electronic device applications
( Springer , 2024 , Article)In this work, we report the synthesis of α-Fe2O3, ZnO, and α-Fe2O3/ZnO nanomaterials by a simple sol-gel method for photocatalytic dye degradation and flexible electronic applications. X-ray diffraction results reveal that ... -
Role of pedagogical approaches in fostering innovation among K-12 students in STEM education
( Elsevier , 2024 , Article Review)The intricate challenges of the modern world demand students to be equipped with advanced skills and knowledge to thrive in an increasingly competitive global landscape. Science, technology, engineering, and mathematics ... -
Mechanical and corrosion characteristics of TiC reinforced Ni-P based nanocomposite coatings
( Elsevier , 2023 , Article)The requirement for effective corrosion protection and better mechanical properties in various industries employing metal components has led to the growth of nickel (Ni)-based metallic coatings. The electroless-synthesized ... -
Exploring of the gender variations in 4Cs skills among primary students
( Elsevier , 2024 , Article)The development of 21st-century learning skills must prioritize collaborative problem-solving abilities. These include critical thinking, creativity, cooperation, and communication (4Cs) and the gender-based difference in ... -
Engineering the structural, optical and photoelectrochemical properties of BaTiO3-CoFe2O4 nanocomposite for photoelectrochemical water splitting
( Elsevier , 2023 , Article)Water splitting in the presence of semiconductor photocatalyst under sunlight illumination is one of the potential methods to produce clean hydrogen fuel. Herein, a BaTiO3-CoFe2O4 composite photocatalyst was fabricated ... -
Spectroscopy characterizations of nanoscale polymer-based coatings
( Elsevier , 2023 , Book chapter)Nanoscale polymer-based coatings have become center of importance in present day's materials research. Because of their unique properties, such as less weight, ductility, and ease of manufacture, polymer-based films are ... -
A review of passivity breakdown on metal surfaces: influence of chloride- and sulfide-ion concentrations, temperature, and pH
( Springer Nature , 2021 , Article Review)Metals, including austenitic steels and alloys, have been extensively applied in industrial and engineering applications. Passive films on metal surfaces are very important for corrosion protection. However, localized ... -
A STEM model for engaging students in environmental sustainability programs through a problem-solving approach
( Routledge , 2023 , Article)This study exemplifies a STEM model for engaging students in environmental sustainability programs through a problem-solving approach. The study employed a mixed-method approach incorporating 346 elementary students. The ... -
Flexible piezoelectric nanogenerator based on [P(VDF-HFP)]/ PANI-ZnS electrospun nanofibers for electrical energy harvesting
( Springer , 2021 , Article)Abstract: Over the past decade, piezoelectric nanogenerator have attracted much attention to harvest mechanical energy from abundant resources in nature. Here, the ZnS microspheres is prepared by hydrothermal method and ... -
Influence of polyolefin modified by Y2O3 as protective coatings against carbon steel corrosion into 3.5% NaCl media
( Springer , 2023 , Article)In this research work, we have studied the impact of Yttrium nanoparticles loaded with corrosion inhibitors dodecylamine (DOC) incorporated in polyolefin for the corrosion protection of steel. The surface analysis of pure ... -
Improvement of capacitive humidity sensors using tris(8-hydroxyquinoline) gallium (Gaq3) nanofibers as a dielectric layer
( Springer , 2020 , Article)In this research work, we improved the sensing response of the organic-based co-planar humidity sensors using tris(8-hydroxyquinoline) gallium (Gaq3) nanofibers as a dielectric material. The humidity sensor was fabricated ... -
The Effect of Temperature on Inorganic Electron Transport Materials in HTM-Free Carbon-based PSCs
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)Carbon electrode-based perovskite solar cells (c-PSCs) have attracted significant attention due to their cost-effectiveness and simplified structure, particularly when devoid of a hole transport material. However, the ...
