Research of Qatar University Young Scientists Center: Recent submissions
Now showing items 161-180 of 211
-
Fabrication and Investigation of Graphite-Flake-Composite-Based Non-Invasive Flex Multi-Functional Force, Acceleration, and Thermal Sensor
( MDPI , 2023 , Article)This work examines the physics of a non-invasive multi-functional elastic thin-film graphite flake–isoprene sulfone composite sensor. The strain design and electrical characterization of the stretching force, acceleration, ... -
Fabrication of a nickel sulfide/nickel oxide heterostructure for efficient electrochemical oxidation of methanol
( Royal Society of Chemistry , 2023 , Article)As low-cost anode catalysts for the electrocatalytic oxidation of methanol, a nickel sulfide/nickel oxide (NiS/NiO) heterostructure deposited on Ni foam and its counterparts nickel sulfide (NiS) and nickel oxide (NiO) are ... -
Publisher Correction: A lightweight neural network with multiscale feature enhancement for liver CT segmentation
( Nature Research , 2022 , Article)The original version of this Article contained errors in References 1 and 2. -
Polyvinylpyridine–carbon dots composite-based novel humidity sensor
( Springer , 2023 , Article)This work describes the rational design of thin films based on PVP-modified carbon dots for potential resistive humidity sensing application, prepared via spin coating on ITO substrates. The modified carbon dots were ... -
High School Students’ Perceptions of the Role of Social Support in Cultivating Their Interests in and Aspirations to STEM Degrees and Careers—A Middle Eastern Case Study
( MDPI , 2023 , Article)This case study intends to comprehend students’ perceptions of social support in cultivating their interests and aspirations for science, mathematics, engineering, and technology (STEM) degrees and careers. Survey-based ... -
Rebuilding Education: STEM Education Practices and Research during the Post-COVID-19 Era
( SAGE Publications Ltd , 2023 , Book)COVID-19 resulted in an unprecedented transformation in the context of learning and teaching, wherein a significant shift in the different realms of educational attainment was observed [1]. This Special Issue in Sustainability, ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
( Springer , 2023 , Article)This work describes the rational design of thin film-based cadmium selenide quantum dots (CdSe) mixed with conductive polyvinylidene fluoride (PVDF), inducing PVDF-CdSe composite for potential resistive humidity-sensing ... -
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 ... -
Effective Pedagogical Approaches Used in High School Chemistry Education: A Systematic Review and Meta-Analysis
( American Chemical Society , 2022 , Article)This article systematically reviews the pedagogical approaches adopted in high school chemistry education with the aim of highlighting the most effective evidence-based instructional practices reported in the literature. ... -
Rebuilding Education—Contributions to STEM Education Practices and Research during the Post-COVID-19 Era
( MDPI , 2023 , Article)COVID-19 resulted in an unprecedented transformation in the context of learning and teaching, wherein a significant shift in the different realms of educational attainment was observed [1]. This Special Issue in Sustainability, ... -
High school students' STEM interests and career aspirations in Qatar: An exploratory study
( Elsevier , 2023 , Article)This study sought to explore high school students' interest in science, technology, engineering, and mathematics (STEM) related disciplines and careers in the context of Qatar. Quantitative data was collected using a survey ... -
Design and optimization of four-terminal mechanically stacked and optically coupled silicon/perovskite tandem solar cells with over 28% efficiency
( Elsevier , 2023 , Article)Silicon/perovskite tandem devices are believed to be a favorite contender for improving cell performance over the theoretical maximum value of single-junction photovoltaic (PV) cells. The present study evaluates the design ... -
The Prominent Roles of Undergraduate Mentors in an Online Near-Peer Mentoring Model
( MDPI , 2023 , Article)This study exemplifies a STEM-based online near-peer mentoring approach, incorporating 56 students (high and middle school mentees) and 16 secondary undergraduates (UG) mentors. The various constructive roles of UG mentors ... -
Cultivating STEM Interest in High School Students through Computer-assisted COVID-19 Pandemic Awareness Course
( IIKII , 2022 , Article)Due to the COVID-19 pandemic, students were sidetracked by the shift in the educational process, primarily in the field of STEM (science, technology, engineering, mathematics) education. Teachers were also besieged to find ... -
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, ... -
Electrochemical impedance spectroscopy analysis of hole transporting material free mesoporous and planar perovskite solar cells
( MDPI , 2020 , Article Review)The future photovoltaic technologies based on perovskite materials are aimed to build low tech, truly economical, easily fabricated, broadly deployable, and trustworthy solar cells. Hole transport material (HTM) free ... -
Covid-19 inspired a stem-based virtual learning model for middle schools—a case study of Qatar
( MDPI , 2021 , Article)An unprecedented turn in educational pedagogies due to the COVID-19 pandemic has significantly affected the students’ learning process worldwide. This article describes developing a STEM-based online course during the ... -
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 ... -
Electrospun PVDF/ZnO Based Composite Fibers for Oil Absorption and Photocatalytic Degradation of Organic Dyes from Waste Water
( Springer , 2022 , Article)Clean drinking water has been a vital topic of research in modern world, this makes efficient water purification as the latest demand. The research and development in the field of filtration technology has revitalize ... -
Comparative Study on Gas-Sensing Properties of 2D (MoS2, WS2)/PANI Nanocomposites-Based Sensor
( MDPI , 2022 , Article)NH3 is a highly harmful gas; when inhaled at levels that are too high for comfort, it is very dangerous to human health. One of the challenging tasks in research is developing ammonia sensors that operate at room temperature. ...
