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Physics Colloquium: Khandker A. Muttalib, "Nonlinear thermoelectricity: Future of clean energy?"

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Physics Colloquium: Khandker A. Muttalib, "Nonlinear thermoelectricity: Future of clean energy?"
When Feb 21, 2018
from 04:00 PM to 05:00 PM
Where MR418N
Contact Name
Contact Phone 212-650-7443
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Physics Colloquium

"Nonlinear thermoelectricity: Future of clean energy?"

Khandker A. Muttalib
Department of Physics
University of Florida, Gainesville

Abstract: About 75% of available energy in a car engine is lost as heat. Thermoelectric (TE) devices can convert part of the waste heat into electricity. However, currently available TE devices are not efficient enough for commercial purposes.  In the linear response regime the efficiency depends only on the material properties of the device, so efforts to increase efficiency have focused primarily on finding, or nano-engineering, suitable materials. In this talk I will show that in the non-linear regime there is an interplay between the microscopic parameters of the material and the thermodynamic parameters of the leads (and the load), which can be exploited to design an industrially competitive TE device based on existing materials.