Dr. Jayakanth Ravichandran
University of Southern California
Perovskite Chalcogenides are a new class of semiconductors, which have tunable band gap in the visible to infrared part of the electromagnetic spectrum. In addition to the band gap tunability, they offer a unique opportunity to realize large density of states in semiconductors with high carrier mobility. In this talk, the speaker will discuss some of the advances made in his research group and the research community on the theory, synthesis of these materials and the understanding of their optoelectronic properties. Discussion topics such as how structure and chemical composition in Zr-containing perovskite sulfides can tune the optical properties in the visible spectrum, with an eye towards solar energy conversion; how the band gap can be further reduced to the infrared region for Ti-containing perovskite sulfides, as well as their anisotropic optical properties and large linear optical properties will be included. The speaker will also share his insights on the general outlook for future studies on these exciting new class of materials.
ABOUT THE SPEAKER
Dr. Jayakanth Ravichandran is an Assistant Professor in the Mork Family Department of Chemical Engineering and Materials Science at University of Southern California. He received his Ph.D. degree from University of California, Berkeley in 2011. Following that, he performed post-doctoral research at Columbia University and briefly at Harvard University, before joining the current position. His research interests are in materials design, synthesis, characterisation, and physical properties of complex materials for electronic, photonic, and energy applications. He was named an Early Career Scholar by the Journal of Materials Research in 2017 and was a Link Energy Fellow.
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