Daniel Gamelin, PH.D.
Speaker's Institution
University of Washington
4:00 PM
Virtual Seminar
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Calendar (ICS) Event
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About the Seminar:

Yb3+-doped lead-halide perovskites (Yb3+:CsPb(Cl1-xBrx)3) have recently emerged as unique materials combining strong, tunable broadband absorption with near-infrared photoluminescence quantum yields (PLQYs) approaching 200% at ambient temperature. These remarkable properties make Yb3+:CsPb(Cl1-xBrx)3 an extremely promising candidate for spectral shaping in various solar-energy-conversion devices. This talk will describe some of our group’s recent research into controlling, understanding, and harnessing the physical properties of these and related doped semiconductors. The talk will emphasize the fundamental science of materials development and spectroscopic/electronic-structure characterization, particularly as they pertain to understanding the unusual photophysics observed in these materials. Modeling and application of these materials as solar spectral downconverters will also be discussed.




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