Nanoscale Opto Thermo Electric Energy Conversion Devices

28 May 2008 | Online Presentations | Contributor(s): Ali Shakouri

We review solid-state devices that allow direct conversion of heat into electricity. We describe fundamental and practical limits of conventional thermoelectric materials. Novel metal-semiconductor nanocomposites are developed where the heat and charge transport are modified at the atomic level. …

Nano Solutions to Our Impending Energy Crisis

17 Nov 2012 | Online Presentations | Contributor(s): Ali Shakouri

In this talk we review some of the advances in nanoscale energy conversion devices and discuss about the challenges and opportunities to provide a clean energy infrastructure. Couple of examples from solar and thermoelectric materials, devices and systems will be given and the scale of the …

Nanoscale Electrothermal Energy Transport

12 Jul 2013 | Online Presentations | Contributor(s): Ali Shakouri

Thermoreflectance imaging is used to study Peltier cooling and Joule heating in devices with 800ps time and submicron spatial resolution. The ballistic heat conduction and the transition between energy and entropy transport in ultra short times and in thin film devices will be discussed. Finally a …

nanoHUB-U TEAS Thermoelectricity - Atoms to Systems: Scientific Overview

10 Oct 2013 | Online Presentations | Contributor(s): Ali Shakouri, Supriyo Datta, Mark Lundstrom

This five-week short course aims to introduce students to the thermoelectric theory and applications using a unique, “bottom up” approach to carrier transport that has emerged from research on molecular and nanoscale electronics. Intuition about thermoelectric relations and efficiency limits …