Dr. Muhammad Humayun received his PH.D in Physical Chemistry from Heilongjiang University in China in 2017. He worked as a postdoc at the School of Optical and Electronics Information of the Wuhan National Laboratory for Optoelectronics (WNLO) at Huazhong University of Science and Technology in China from August 2017 to February 2023. Currently, he is working as an assistant professor at the Energy, Water and Environment Lab in the College of Humanities and Sciences at Prince Sultan University in Riyadh, Saudi Arabia. His research interests mainly include the design of functional nanomaterials for green hydrogen production, CO2 capture and conversion, wastewater treatment, and gas sensing. He has authored or co-authored over 150 peer-reviewed publications with over 6000 citations (H-Index 43).