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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, ...
Effect of illumination and applied potential on the electrochemical impedance spectra in triple cation (FA/MA/Cs) 3D and 2D/3D perovskite solar cells
(
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. ...
Performance optimization of CH3NH3Pb(I1-xBrx)3 based perovskite solar cells by comparing different ETL materials through conduction band offset engineering
(
Elsevier
, 2020 , Article)
Numerical simulations can provide the physical insights into the carrier transport mechanism in the solar cells, and the factors influencing their performance. In this paper, perovskite solar cell (PSC) based on the mixed ...
Development of Semitransparent UV Photodetector Based on PTB7-Th:PCBM Composite Using the Cost-effective Fabrication Method
(
ESG
, 2021 , Article)
This article presents a semitransparent ultraviolet (UV) sandwich-surface type sensor based on PTB7-Th: PCBM composite. The ultraviolet (UV) transparency of 29% was achieved through a cost-effective drop-cast fabrication ...
Electrical equivalent circuit (EEC) based impedance spectroscopy analysis of HTM free perovskite solar cells
(
Elsevier
, 2020 , Article)
Monolithic perovskite solar cells (mPSCs) are the multi-layered organic-inorganic hybrid cells that have been focused due to the affordable cost, ease of fabrication, and noteworthy power conversion efficiency (PCE). In ...
A distinctive method of online interactive learning in stem education
(
MDPI
, 2021 , Article)
A breakthrough that has occurred in recent years is the emergence of the COVID-19 pandemic. It has affected various sectors of society, including the educational sector. It has prevented students from performing group-oriented ...
Modeling and piezoelectric analysis of nano energy harvesters
(
MDPI
, 2020 , Article)
The expedient way for the development of microelectromechanical systems (MEMS) based devices are based on two key steps. First, perform the simulation for the optimization of various parameters by using different simulation ...
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 ...
MAPbI3 Microrods-Based Photo Resistor Switches: Fabrication and Electrical Characterization
(
MDPI
, 2021 , Article)
The current work proposed the application of methylammonium lead iodide (MAPbI3 ) perovskite microrods toward photo resistor switches. A metal-semiconductor-metal (MSM) configu-ration with a structure of silver-MAPbI3 ...
Long-Term Stability Analysis of 3D and 2D/3D Hybrid Perovskite Solar Cells Using Electrochemical Impedance Spectroscopy
(
MDPI
, 2020 , Article)
Despite the remarkable progress in perovskite solar cells (PSCs), their instability and rapid degradation over time still restrict their commercialization. A 2D capping layer has been proved to overcome the stability issues; ...