Menaka Jha is a Scientist at the Institute of Nano Science & Technology, in the Department of Science and Technology, Mohali, India. Her research interests are Quantum dots hybrid inorganic organic light emitting and solar cell device, controlling the optical properties of metal chalcogenide quantum dots and their application in fabricating LED and solar cell device. Kamalakannan Kailasam is an Associate Professor in the Department of Science and Technology at the Institute of Nano Science and Technology, Mohali, India. His research areas of interest are advanced functional nanomaterials for energy and environmental applications, such as water splitting, CO2 conversion, gas storage, fine chemicals production, photovoltaics, fuel cells and batteries. Chaudhery Mustansar Hussain is an adjunct professor and lab director in the Department of Chemistry & Environmental Sciences at the New Jersey Institute of Technology (NJIT), United States. His research is focused on sustainability, nanotechnology & advanced materials, environmental management, analytical chemistry, and other various industries. Dr. Hussain is the author of numerous papers in peer-reviewed journals as well as a prolific author and editor of several books, including scientific monographs and handbooks in his research areas. He has published with ELSEVIER, American Chemical Society, Royal Society of Chemistry, John Wiley & Sons, CRC Press, and Springer.