تصفح Center for Advanced Materials حسب المؤلف "Ahmad, Zubair"
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A distinctive method of online interactive learning in stem education
Abouhashem, Azza; Abdou, Rana Magdy; Bhadra, Jolly; Santhosh, Malavika; Ahmad, Zubair; Al-Thani, Noora Jabor... more authors ... less authors ( 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 ... -
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. ... -
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 ... -
Electrospun PVDF/ZnO Based Composite Fibers for Oil Absorption and Photocatalytic Degradation of Organic Dyes from Waste Water
Parangusan, Hemalatha; Bhadra, Jolly; Ahmad, Zubair; Al-Maadeed, Ali S.M.A.; Al-Mohannadi, Abdulaziz M.A.A.; Al-Thani, Noora... more authors ... less authors ( 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 ... -
Enhancement of photovoltaic module performance by thermal management using shape-stabilized PCM composites
Safna, Nishad; Ahmad, Zubair; Krupa, Igor ( Elsevier , 2024 , Article)Thermal management of photovoltaic (PV) panels is crucial due to the deterioration of their electrical efficiency at elevated operating temperatures. Therefore, thermal protection of PV against overheating is highly required. ... -
Fuzzy-based approach using iot devices for smart home to assist blind people for navigation
Tayyaba, Shahzadi; Ashraf, Muhammad Waseem; Alquthami, Thamer; Ahmad, Zubair; Manzoor, Saher ( MDPI , 2020 , Article)The demand of devices for safe mobility of blind people is increasing with advancement in wireless communication. Artificial intelligent devices with multiple input and output methods are used for reliable data estimation ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
Jlassi, Khouloud; Mallick, Shoaib; Mutahir, Hafsa; Salauddin, Sayma Akhter; Chehimi, Mohamed M.; Abdullah, Aboubakr M.; Ahmad, Zubair; Attia, Mohamed F.; Abdellah, Mohamed... more authors ... less authors ( 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 ... -
Ion-imprinted membranes for lithium recovery: A review
Sifani, Zavahir; Riyaz, Najamus Sahar; Elmakki, Tasneem; Tariq, Haseeb; Ahmad, Zubair; Chen, Yuan; Park, Hyunwoong; Ho, Yeek-Chia; Shon, Ho Kyong; Han, Dong Suk... more authors ... less authors ( Elsevier , 2024 , Article)This review critically examines the effectiveness of ion-imprinted membranes (IIMs) in selectively recovering lithium (Li) from challenging sources such as seawater and brine. These membranes feature customized binding ... -
Long-Term Stability Analysis of 3D and 2D/3D Hybrid Perovskite Solar Cells Using Electrochemical Impedance Spectroscopy
Abdulrahim, Sumayya M.; Ahmad, Zubair; Bhadra, Jolly; Al-Thani, Noora Jabor ( 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; ... -
MAPbI3 Microrods-Based Photo Resistor Switches: Fabrication and Electrical Characterization
Raza, Ehsan; Aziz, Fakhra; Mishra, Arti; Al-Thani, Noora Jabor; Ahmad, Zubair ( 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 ... -
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 ... -
Modeling and piezoelectric analysis of nano energy harvesters
Wasim, Muhammad Faisal; Tayyaba, Shahzadi; Ashraf, Muhammad Waseem; Ahmad, Zubair ( 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 ... -
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 ... -
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 ... -
A review on lithium recovery using electrochemical capturing systems
Sifani, Zavahir; Elmakki, Tasneem; Gulied, Mona; Ahmad, Zubair; Al-Sulaiti, Leena; Shon, Ho Kyong; Chen, Yuan; Park, Hyunwoong; Batchelor, Bill; Han, Dong Suk... more authors ... less authors ( Elsevier , 2021 , Article Review)Resource recovery from natural reserves is appealing and Li extraction from different brines is in the forefront. Li extraction by membranes is reviewed in the literature much more than electrochemical processes. However, ... -
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 ...