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CHBE 565 Seminar, Prof. Will Tisdale, Massachusetts Institute of Technology, "Excitons, Disorder, and Nonequilibrium Transport in Semiconductor Nanomaterials"

Event Type
Chemical and Biomolecular Engineering and International Paper Co.
116 Roger Adams Laboratory
Nov 16, 2017   2:00 pm  
Christy Bowser
Originating Calendar
Chemical & Biomolecular Engineering Seminars and Events

In nanostructured materials, the short length and time scales over which energy moves can manifest in transport behavior that deviates from classical constitutive laws. Using a combination of ultrafast laser spectroscopy, time-resolved optical microscopy, and kinetic Monte Carlo simulation, I will show how these effects manifest in assemblies of colloidal quantum dots (QD) and atomically thin 2D semiconductors, which are promising components of next-generation photovoltaic and lighting technologies. In particular, I will demonstrate the effect of structural and energetic disorder, the role of dimensionality and surface chemistry, and the self-organization of these nanomaterials into ordered superstructures.

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