Dr. Dhanasekaran Vikraman is an Assistant Professor in Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul, Korea. He received his Bachelor's degree at Mannai Rajagopalaswamy Govt. Arts College, Mannargudi, affiliated to Bharathidasan University, Tiruchirappalli, India. After that, he completed his Master and Ph.D degrees at Department of Physics, Alagappa University, India. Later, he received visiting scientist position at KIST, Korea; Marie-Curie Experienced Researcher fellowship at Department of Physics, Aristotle University of Thessaloniki, Greece; and Post-Doc positions at Sejong University and Ajou University, Korea. He has authored more than 100 international journal articles and 1 book chapter. In addition, he served as an Editor with IntechOpen for a book entitled “Design, Simulation and Construction of Field Effect Transistors”. His research interests are mainly focused on low-cost synthesis of inorganic materials and 2D-materials for electronics and energy applications.