Ali Shakouri

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Contributions

Resources (1-15 of 15)

  1. 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 are obtained by studying a single atom. The first two weeks of the course introduce this new perspective and connects it to the traditional treatment of thermoelectric science. Landauer formalism provides a unified framework to study both electron and phonon transport.

  2. Nanoscale Opto Thermo Electric Energy Conversion Devices

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    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. Potential to reach high power densities and high conversion efficiencies will be discussed. We also describe how similar principles can be used to reduce heating in optoelectronic devices and make micro refrigerators on a chip in order to remove hot spots in integrated circuits.

  3. 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 necessary change will be discussed.

  4. Thin-Film and Multi-Element Thermoelectric Devices Simulator

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    17 Jul 2012 | Tools | Contributor(s): Je-Hyeong Bahk, Megan Youngs, Zach Schaffter, Kazuaki Yazawa, Ali Shakouri

    Tool to simulate both micro-scale thin-film thermoelectric devices and large-scale multi-element thermoelectric modules for cooling and power generation

  5. 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 brief overview of new research initiatives at the Birck center will be presented.

  6. Printing and Scalable Manufacturing of Aware and Responsive Thin Films (SMART Films) Workshop

    21 Jul 2015 | Workshops | Contributor(s): Ali Shakouri

    The goal of the workshop is to bring together Purdue innovators, technology leaders and industry representatives to discuss industry needs in this area as well as technology advances. This workshop will serve as a starting point for the development of a consortium that will allow us develop a long lasting public/private partnership.

  7. Long term Aging of Autonomous STructures (LAAST) Seminar Series

    07 Apr 2015 | Series | Contributor(s): Ali Shakouri

    The Long term Aging of Autonomous STructures (LAAST) seminar series focuses on reliability and aging of devices for energy conversion, information processing or sensing.

  8. Linearized Boltzmann transport calculator for thermoelectric materials

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    11 Jul 2013 | Tools | Contributor(s): Je-Hyeong Bahk, Robert Benjamin Post, Kevin Margatan, Zhixi Bian, Ali Shakouri

    Simulation tool to calculate thermoelectric transport properties of bulk materials based on their multiple nonparabolic band structure information using the linearized Boltzmann transport equation

  9. 1-D Phonon BTE Solver

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    28 Jul 2014 | Tools | Contributor(s): Joseph Adrian Sudibyo, Amr Mohammed, Ali Shakouri

    Simulate heat transport by solving one dimensional Boltzmann transport equation.

  10. Nanomanufacturing of Smart Thin Films: Applications to Pharmacy, Ag, Food Packaging, Health Care

    25 Jun 2015 | Online Presentations | Contributor(s): Ali Shakouri

    Birck Nanotechnology Center

  11. Thermoelectric Power Generator System Optimization and Cost Analysis

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    26 Sep 2013 | Tools | Contributor(s): Kaz Yazawa, Kevin Margatan, Je-Hyeong Bahk, Ali Shakouri

    Simulate cost and efficiency trade-off of a thermoelectric device as a function of material properties and heat transfer coefficients

  12. Advanced Thermoelectric Power Generation Simulator for Waste Heat Recovery and Energy Harvesting

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    30 Jun 2015 | Tools | Contributor(s): Je-Hyeong Bahk, Kevin Margatan, Kaz Yazawa, Ali Shakouri

    Tool to simulate thermoelectric power generation device/system with temperature-dependent material properties for waste heat recovery and wearable energy harvesting

  13. Thermoreflectance Imaging, Copper Via Reliability and Non- Local Thermal Transport

    05 Mar 2015 | Online Presentations | Contributor(s): Ali Shakouri

  14. Symposium on Nanomaterials for Energy: Nanostructured Thermoelectric Materials for Waste Heat Recovery

    11 May 2015 | Online Presentations | Contributor(s): Ali Shakouri

    Energy consumption in our society is increasing rapidly. A significant fraction of the energy is lost in the form of heat. In this talk we introduce thermoelectric devices that allow direct conversion of heat into electricity. Novel metal-semiconductor nanocomposites are developed where the heat and charge transport are modified at the atomic level. Theory and experiment are compared for embedded ErAs nanoparticles in InGaAlAs semiconductor matrix as well as for ScN/ZrHfN metal semiconductor multilayers. Potential to increase the energy conversion efficiency and bring the cost down to $0.1-0.2/W will be discussed.

  15. Smarter Sensors: in Crop Production and Protection

    17 Mar 2015 | Online Presentations | Contributor(s): Ali Shakouri, Babak Ziaie