Mohammad Ehtisham Khan received doctorate degree in Chemical Engineering from Yeungnam University, the Republic of Korea in 2017 and presently working as an Assistant Professor and Head of the Department in Chemical Engineering Technology at Jazan University, Kingdom of Saudi Arabia. Dr. Khan is working in the cutting-edge area of nanosciences and nanotechnology, especially inorganic materials, such as, the fabrication of metal-metal oxides and carbon-based nanoparticles/nanocomposites various novel applications in the field of energy, environment, and biological applications such as catalysis, photocatalysis, photoelectrodes, optoelectronic devices, hydrogen production, sensing, and selected biological applications. Dr. Khan has 37 publications in international peer-reviewed journals, conference proceedings, and Editing 3 books in Elsevier with contributed in 14 book chapters. Dr. Jeenat Aslam is currently working as an Associate Professor in the Department of Chemistry at the College of Science, Taibah University, Yanbu, Al-Madina, Saudi Arabia. She obtained her PhD degree in chemistry from Aligarh Muslim University, Aligarh, India. Her research is mainly focused on materials and corrosion, nanotechnology, and surface chemistry. Dr. Jeenat has published several research and review articles in peer-reviewed international journals. In addition, she has authored more than 40 book chapters and edited more than 30 books for different prestigious publishers. Chandrabhan Verma, PhD, works at the Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia. He is a member of the American Chemical Society (ACS). His research interests mainly focus on the synthesis and design of environment-friendly corrosion inhibitors used for several industrial applications. Dr. Verma received his PhD degree from the Department of Chemistry at IIT?BHU, Varanasi, India and MSc degree in organic chemistry (Gold Medalist). Dr. Verma is the author of several research and review articles in peer-reviewed international journals. He has also received several national and international awards for his academic achievements.