Dr. Satyajit Ratha pursued his PhD at the School of Basic Sciences, Indian Institute of Technology Bhubaneswar, India. Prior to joining IIT Bhubaneswar, he received his Bachelor of Science, with first Class Honours from the Utkal University in 2008 and Master of Science from Ravenshaw University in 2010. His research interests include two-dimensional semiconductors; nanostructure synthesis and applications, energy storage devices and supercapacitors. He has authored and co-authored 20 peer-reviewed articles in international journals, and one book. Dr. Aneeya Kumar Samantara is currently working as a postdoctorate fellow at the School of Chemical Sciences, National Institute of Science Education and Research, Khordha, India. He pursued his PhD at CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, India. Before joining the PhD programme, he completed his M.Phil. in Chemistry from Utkal University and Master in Science in Advanced Organic Chemistry atRavenshaw University. His research interests include the synthesis of metal chalcogenides and graphene composites for energy storage and conversion applications. He has authored articles in 19 peer- reviewed international journals, one book and three book chapters. Further two books and three research papers are in press.