Sang Hyuk Im ProfessorKorea University, South Korea Prof. Sang Hyuk Im received his Ph.D. degree in Chemical & Biomolecular Engineering from the KAIST in 2003. He worked as a postdoctoral fellow at the University of Washington (UW) until 2005. He has worked in the LG Chemicals Research Park (∼2009) and KRICT until 2013 as a senior research scientist. He has been an associate professor in the department of Chemical Engineering at Kyung Hee University (~2017). Now He is an associate professor in the department of Chemical & Biological Engineering at Korea University, and PI of Nano Energy Convergence System Lab. His research interests include inorganic semi-conductors sensitized solar cells, quantum dot-sensitized solar cells, and perovskite optoelectronic devices.