Sanjay J. Dhoble is a Professor in the Department of Physics at Rashtrasant Tukadoji Maharaj Nagpur University, India. During his research career he has worked on the synthesis and characterization of solid-state lighting materials and phosphors for solar cell efficiency enhancement, as well as the development of radiation dosimetry phosphors, and the biosynthesis of nanoparticles and their applications. N. Thejo Kalyani is an Assistant Professor in the Department of Physics at Laxminarayan Innovation Technological University, Nagpur, India. Her research interest includes the synthesis, characterization, and fabrication of OLED devices and displays using various organic complexes by vacuum deposition and solution techniques.B. Vengadaesvaran is Senior Research Officer at the Higher Institution Centre of Excellence (HICoE), UM Power Energy Dedicated Advanced Centre (UMPEDAC), Wisma R&D University of Malaya, Kuala Lumpur Malaysia. Abdul Kariem Arof is a Retired Professor from the Department of Physics, Faculty of Science, University of Malaya in Kuala Lumpur, Malaysia.