Dr. Jai Singh is an Associate Professor at Guru Ghasidas Vishwavidyalaya's Department of Pure and Applied Science (Central University). He received his doctorate in the subject of II-VI oxide nanomaterials from Banaras Hindu University in Varanasi, India. Soon after completing his Ph.D., he joined Cologne University in Cologne, Germany, to do post-doctoral research in the areas of 2D materials, Transparent Conducting Oxide (TCO) materials, and Energy materials, and then moved to Pusan National University in Busan, South Korea, and Sejong University in Seoul, South Korea, to do the same. He has received several prestigious national and international awards, including the GATE Fellowship from the Ministry of Human Resource Development, the CSIR-Junior Research Fellowship and Senior Research Fellowship from the Council of Scientific and Industrial Research, the Postdoctoral Fellowship from Busan National University, the NSC Postdoctoral Fellowship from Taiwan, and the Visiting Fellowship from Cologne University in Germany.