Yoon-Bong Hahn, PhD, is a Distinguished Professor of Jeonbuk National University (JBNU), Fellow of the Korea Academy of Science and Technology (KAST), Fellow of the American Ceramic Society (ACerS), and Fellow of the International Association of Advanced Materials (IAAM). He joined Jeonbuk National University (JBNU) in 1991, prior to which he worked for LG Metals Research Center as a principal scientist for 1988-1991 after he received his Ph.D. in Metallurgical Engineering from University of Utah in 1988. His research has focused on the synthesis of metal oxides and carbon based nanomaterials and their applications for solar cells and biological sensors. He has published over 340 SCI papers and 7 books, holds 22 patents, and has received numerous scientific awards. Yousheng Wang, PhD, is an associate professor at the Institute of New Energy Technology, College of Physics and Optoelectronic Engineering, Jinan University, China. He received his M.S. and Ph.D. degree in Semiconductor and Chemical Engineering from Jeonbuk National University, and was a postdoctoral fellow at Advanced Nano-Material Processing Laboratory (AMPL), Jeonbuk National University, Korea. Tahmineh Mahmoudi, PhD, is a research scientist at Department of Chemistry and Environmental Science, RMIT University, Australia. She rexeived her M.S. in Nanoscience and Nanotechnology from the University of Kashan and her PhD in Semiconductor and Chemical engineering from JBNU.