PHD at GC University, Faisalabad, Pakistan
Dr. Ubaid Ur Rehman is a dedicated researcher specializing in thermoelectric, photovoltaic, and optoelectronic engineering. He earned his Ph.D. in Physics from GC University, Faisalabad, Pakistan, in 2021, focusing on the thermoelectric properties of Zn-Sn-O thin films. Currently, a postdoctoral researcher at Shandong University, China, Dr. Rehman has also held research positions at the Polish Academy of Sciences and GC University. He has taught as a visiting professor at several universities in Pakistan. Dr. Rehman is skilled in various spectroscopy and material characterization techniques and has been recognized with multiple scholarships and awards for his academic excellence. Material Science
Professional Profiles
Education
Ph.D. Physics (2021) Institution: GC University, Faisalabad, Pakistan Title: Tailoring the thermoelectric properties of Zn-Sn-O thin films by post growth annealing method Supervisor: Dr. Khalid Mahmood M.Phil Physics (2017) Institution: GC University, Faisalabad, Pakistan Title: Duplex cathodic cage plasma treatment of AISI-304 steel by nitriding and nitrocarburizing Supervisor: Prof. Dr. Muhammad Sharif M.Sc. Physics (2015) Institution: GC University, Faisalabad, Pakistan B.Sc. (Math, Physics) (2013) Institution: The Islamia University of Bahawalpur, Bahawalpur, Pakistan Material Science
Teaching Experience
Visiting Assistant Professor Department of Physics, University of Okara April 2022 to September 2022 Visiting Lecturer Department of Physics, Government College University, Faisalabad February 2018 to August 2020 Visiting Lecturer Department of Physics, University of Education Lahore, Faisalabad October 2018 to July 2019
Research Experience
Postdoctoral Researcher School of Physics, Shandong University, China January 2024 to date Postdoctoral Researcher Institute of Physics, Polish Academy of Sciences, Warsaw, Poland September 2022 to December 2023 Research Associate Department of Physics, Government College University, Faisalabad October 2017 to October 2019 Material Science
Honors and Recognitions
Techniques: UV-vis Spectroscopy FTIR Spectroscopy PL Spectroscopy SEM I-V Characterizations Seebeck Effect Hall Measurements Thermal Evaporator Sputtering ALD CVD Nanoparticles Synthesis X-ray Diffraction Raman Spectroscopy Professional Memberships: International Thermoelectric Society American Physical Society (APS)
Awards
Prime Minister Fee Reimbursement Scholarship for PhD (2017-2020) IRSIP Scholarship for Canada (2020)
Research Focus
Dr. Ubaid Ur Rehman focuses on thermoelectric, photovoltaic, and optoelectronic materials. His research involves optimizing the structural, optical, and thermoelectric properties of thin films and nanostructures. Using techniques like sol-gel growth and thermal evaporation, he investigates materials such as CZTS, Zn2GeO4, and ZnSnO. His work aims to enhance the thermoelectric performance of these materials by controlling secondary phases and dopant concentrations. Dr. Rehman’s significant contributions include improving the Seebeck effect, electrical transport properties, and power factors in various thin films and nanostructures for energy generation applications. Material Science
Publications
- Promoting water-splitting reaction on TiO 2/gCN with Pd/SrO cocatalysts: H 2 evolution in the absence of a sacrificial reagent, Publication date: 2024.
- Enhanced thermoelectric properties and thermal stability of Cu1. 8S-rGO nanocomposite by low energy carrier filtering effect, Publication date: 2024.
- Efficiency Improvement of Lead‐Free La2NiMnO6‐Based Double Perovskite Solar Cells Using Numerical Simulation, Publication date: 2024.
- Rubidium based new lead free high performance perovskite solar cells with SnS2 as an electron transport layer, Publication date: 2024.
- Performance Optimization of Inorganic Cs2TiBr6 Based Perovskite Solar Cell via Numerical Simulation, Publication date: 2023.
- Enhancing the thermoelectric power factor of nanostructured SnO2 via Bi substitution, Publication date: 2023.
- Optimizing the Efficiency of Lead‐Free Cs2TiI6‐Based Double Halide Perovskite Solar Cells Using SCAPS‐1D, Publication date: 2023.
- Effect of Ni and Mn dopant on thermoelectric power generation performance of ZnO nanostructures synthesized via hydrothermal method, Publication date: 2023.
- Comparative performance analysis of Cs2TiX6 (X= Br-, Cl-, I-) lead-free perovskite solar cells incorporating single, double and triple layer halides by SCAPS− 1D, Publication date: 2023.
- Surface sensitization of TiO2 via Pd/Rb2O cocatalysts: Mechanistic insights to the arsenic elimination from ground drinking water, Publication date: 2023.
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