报告题目: Part 1: Two Approaches to achieve visible light upconversion for environmental application
Part 2: Study and research at Department of Chemical and Environmental Engineering, Yale University
报告人：Prof. Jaehong Kim, Yale University
The first part of the talk summarizes our most recent advances in developing materials that achieve a light frequency amplification through a process called upconversion (UC) for advanced oxidation, bioimaging, and dye-sensitized solar cell applications. The first approach is based on inorganic luminescent materials doped with lanthanide activators that can convert visible light into germicidal UVC and have been shown to inactivate microorganisms deposited on dry surface and deter biofilm formation under commercial fluorescent light exposure. The second UC approach is based on a completely different mechanism of sensitized triplet-triplet annihilation (TTA) in an organic matrix. The second part of the talk generally introduces the study and research at Department of Chemical and Environmental Engineering, Yale University.
Prof. Jaehong Kim is currently Professor and Department Chair of Chemical and Environmental Engineering in Yale University. Kim received B.S. and M.S. degrees in chemical and biological engineering from Seoul National University in Korea in 1995 and 1997, respectively, and a Ph.D. degree in environmental engineering from the University of Illinois at Urbana-Champaign in 2002. He joined the School of Civil and Environmental Engineering at the Georgia Institute of Technology in 2002 as an assistant professor and became associate professor with tenure in 2009 and full professor in 2013. Since he moved to Yale University in 2013 and until 2015, he held Barton L. Weller Endowed Professorship. His areas of interest include: 1) environmental implication and application of nanomaterials; 2) development of upconversion technology for environmental and energy application; and 3) membrane process and materials development. He has published over 110 refereed journal papers and 4 book chapters. He is a recipient of various awards including Ackerman Teaching and Mentoring Award from Yale University (2017), Bill Shultz Junior Faculty Teaching Award from Georgia Tech (2013), Walter L. Huber Civil Engineering Research Prize from American Society of Civil Engineers (2013), Top Environmental Technology Paper Award from American Chemical Society (2012), Paul L. Busch Award from Water Environment Research Foundation (2009).