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Now showing items 21-30 of 32
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 ...
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
(
Elsevier
, 2021 , Article)
This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets, for the thermoelectric applications. Different p-type and n-type ...
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 ...
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 ...
Development of flexible PVDF/ BaTiO3-MoS2 polymer nanocomposites for energy harvesting and gas sensing applications
(
Springer Nature
, 2024 , Article)
The need for flexible and wearable devices is quite great in the modern era of advanced electronics and the Internet of Things (IoT). Here, we present a poly(vinylidene fluoride) (PVDF)/Barium Titanate–Molybdenum Disulfide ...
Polyolefin-Based Smart Self-Healing Composite Coatings Modified with Calcium Carbonate and Sodium Alginate.
(
MDPI
, 2024 , Article)
Corrosion-related damage incurs significant capital costs in many industries. In this study, an anti-corrosive pigment was synthesized by modifying calcium carbonate with sodium alginate (SA), and smart self-healing coatings ...
Do research experience programs promote capacity building in Qatar: Investigating the trend and participation differences
(
Elsevier
, 2023 , Article)
Research Experience programs (REPs) inspire students to pursue advanced degrees and shape their research career paths. Government and commercial organizations sponsor REPs to promote the capacity building of the country. ...
Mechanical properties of human hepatic tissues to develop liver-mimicking phantoms for medical applications
(
Springer
, 2023 , Article Review)
Using liver phantoms for mimicking human tissue in clinical training, disease diagnosis, and treatment planning is a common practice. The fabrication material of the liver phantom should exhibit mechanical properties similar ...
A numerical approach to study the effect of bandgap and electron affinity in HTL-free perovskite solar cells and design of two-terminal silicon/perovskite tandem solar cell
(
Elsevier
, 2023 , Article)
The hole-transport layer (HTL) free perovskite solar cells with carbon electrode (c-PSCs) have garnered significant attention owing to their simple design, cost-effectiveness, and good stability. However, the power conversion ...