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General Physics Colloquium - Bo Brummerstedt Iversen: 'Thermoelectric Energy Conversion'

2014.08.25 | Karin Vittrup

Date Wed 10 Dec
Time 15:15 16:00
Location Fys. Aud.


General Physics Colloquium


Title: 'Thermoelectric Energy Conversion'

Speaker: Bo Brummerstedt Iversen, Center for Materials Crystallography, Department of Chemistry & iNANO, Aarhus University


Thermoelectric effects have been known for almost two hundred years, but they are still at the forefront of materials research and solid state physics. The reason is that it remains a fundamental challenge to optimize opposing contributions to the thermoelectric figure of merit, zT = TS2s/k, where T is absolute temperature, S is the thermopower, s is the electrical conductivity and k is the thermal conductivity. For the past 15 years we have studied a wide range of thermoelectric materials including chalcogenides, antimonides, clathrates, skutterudites, silicides and more [1]. In this talk I will exemplify some of the main ideas for increasing the power factor (S2s) and lowering the thermal conductivity in materials, and then focus on recent research on the Zn-Sb system.

[1] B. B. Iversen, “Phonon Glass Electron Crystal materials for thermoelectric energy conversion”, Thesis for the Doctor of Technology Degree, Technical University of Denmark, 2010


Wine and cheese will be served at 4 PM

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