Browsing Qatar University Young Scientists Center by Author "Al-Thani, Noora"
Now showing items 1-16 of 16
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Design and optimization of four-terminal mechanically stacked and optically coupled silicon/perovskite tandem solar cells with over 28% efficiency
Ehsan, Raza; Ahmad, Zubair; Aziz, Fakhra; Asif, Muhammad; Mehmood, Muhammad Qasim; Bhadra, Jolly; Al-Thani, Noora J.... more authors ... less authors ( 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 ... -
Do research experience programs promote capacity building in Qatar: Investigating the trend and participation differences
Zubair, Ahmad; Ammar, Mohammad; Siby, Nitha; Bhadra, Jolly; Sellami, Abdellatif; Al-Thani, Noora J.... more authors ... less authors ( 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. ... -
Effect of cold and hot compactions on corrosion behavior of p- and n-type bismuth telluride-based alloys developed through microwave sintering process
Lemine, Aicha S.,; Fayyaz, Osama; Shakoor, R.A.; Ahmad, Zubair; Bhadra, Jolly; Al-Thani, Noora J.... more authors ... less authors ( Elsevier , 2023 , Article)Bismuth Telluride (BiTe) based p-type and n-type alloys exhibit superior thermoelectric (TE) performance covering energy requirements for specialized and home utilization. The main challenge nowadays is the sustainability ... -
Effect of illumination and applied potential on the electrochemical impedance spectra in triple cation (FA/MA/Cs) 3D and 2D/3D perovskite solar cells
Abdulrahim, Sumayya M.; Ahmad, Zubair; Mehmood, Muhammad Qasim; Paek, Sanghyun; Bhadra, J.; Al-Thani, Noora J.; Nazeeruddin, Mohammad Khaja; Belaidi, Abdelhak; Amani, Mahmood... more authors ... less authors ( Elsevier , 2021 , Article)Even though there has been numerous works performed based on electrochemical impedance spectroscopy (EIS) of perovskite solar cells (PSCs), however, many aspects of the obtained EI spectra are yet to be fully grasped. ... -
Effective Pedagogical Approaches Used in High School Chemistry Education: A Systematic Review and Meta-Analysis
Ahmad, Zubair; Ammar, Mohammad; Sellami, Abdellatif; Al-Thani, Noora J. ( 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. ... -
Electrochemical impedance spectroscopy analysis of hole transporting material free mesoporous and planar perovskite solar cells
Abdulrahim, S.M.; Abdulrahim, Sumayya M.; Ahmad, Zubair; Bahadra, Jolly; Al-Thani, Noora J. ( 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 ... -
Mechanical properties of human hepatic tissues to develop liver-mimicking phantoms for medical applications
Lemine, Aicha S.; Ahmad, Zubair; Al-Thani, Noora J.; Hasan, Anwarul; Bhadra, Jolly ( 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 ... -
Microstructure and mechanical properties of aluminum matrix composites with bimodal-sized hybrid NbC-B4C reinforcements
Aicha S., Lemine; Fayyaz, Osama; Yusuf, Moinuddin; Shakoor, R.A.; Ahmad, Zubair; Bhadra, Jolly; Al-Thani, Noora J.... more authors ... less authors ( Elsevier , 2022 , Article)Aluminum (Al) is an earth-abundant metal recognized with superior properties for vital applications in the aerospace and transportation industries. Structural components of Al exhibit poor performance due to its inherent ... -
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
Ehsan, Raza; Bhadra, Jolly; Asif, Muhammad; Aziz, Fakhra; Al-Thani, Noora J.; Ahmad, Zubair... more authors ... less authors ( 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 ... -
Numerical modeling and performance optimization of carbon-based hole transport layer free perovskite solar cells
Ehsan, Raza; Ahmad, Zubair; Asif, Muhammad; Aziz, Fakhra; Riaz, Kashif; Mehmood, Muhammad Qasim; Bhadra, Jolly; Al-Thani, Noora J.... more authors ... less authors ( Elsevier , 2022 , Article)Owing to low production cost and ease of processing, hole-transport layer (HTL) free carbon electrode-based perovskite solar cells (c-PSCs) have emerged as a potential photovoltaic (PV) technology. Despite this, c-PCSs ... -
Numerical simulation analysis towards the effect of charge transport layers electrical properties on cesium based ternary cation perovskite solar cells performance
Ehsan, Raza; Ahmad, Zubair; Aziz, Fakhra; Asif, Muhammad; Ahmed, Ayyaz; Riaz, Kashif; Bhadra, Jolly; Al-Thani, Noora J.... more authors ... less authors ( Elsevier , 2021 , Article)In the present study, the device modeling of inverted architecture based on ITO/HTL/perovskite absorber/ETL/Ag was performed using a one-dimensional solar cell capacitance simulation (SCAPS-1D) program. Initially, device ... -
Pedagogical models to implement effective stem research experience programs in high school students
Ahmad, Zubair; Ammar, Mohammad; Al-Thani, Noora J. ( MDPI , 2021 , Article Review)High school research experience programs (HSREPs) provide opportunities for true science education and expose students to scientific investigations in laboratory settings. Various HSREPs models have been practiced to shape ... -
Promising transparent and flexible thermoelectric modules based on p-type CuI thin films—A review
Lemine, Aicha S.; Bhadra, Jolly; Al-Thani, Noora J.; Ahmad, Zubair ( Elsevier , 2022 , Article Review)The state-of-the-art thermoelectric technology owns a unique capability of direct, noise-free, and efficient conversion of waste heat into valuable electricity. The conventional thermoelectric generators are complex and ... -
The Role of Multidisciplinary Chemistry Informal Research Programs in Building Research Competencies and Attitudes
Al-Thani, Noora J.; Saad, Azza; Siby, Nitha; Bhadra, Jolly; Ahmad, Zubair ( 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 ... -
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
Farheen F., Jaldurgam; Ahmad, Zubair; Touati, Farid; Ashraf, Abdullah Al; Bhadra, Jolly; Altahtamouni, Talal; Al-Thani, Noora J.... more authors ... less authors ( 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 ... -
Undergraduate Research Experience Models: A systematic review of the literature from 2011 to 2021
Zubair, Ahmad; Al-Thani, Noora J. ( 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 ...