Tags: energy conversion

Resources (21-40 of 45)

  1. Thin Film Semiconductors for Efficient Energy Conversion

    Online Presentations | 08 May 2017 | Contributor(s):: Carolin M. Sutter-Fella

    New semiconductor materials show immense potential as building blocks in emerging optoelectronic devices. Therefore, the quest continues for semiconductors that possess suitable bandgaps for efficiently capturing the solar spectrum, are composed of abundant elements, and can be deposited over...

  2. Nanotechnology Invention and Design: Phase Changes, Energy, and Crystals

    Teaching Materials | 11 Jan 2017 | Contributor(s):: Daniella Duran, NNCI Nano

    This 3-part lesson introduces the nanoscale effect of various energy inputs on the crystal lattice of a smart material, Nitinol, and then invites students to become nanotechnology inventors. Students will first explore how energy exchanges lead to solid-state phase changes at the macroscale and...

  3. Silicon Solar Cell Efficiency: Comparing Input Power to Output Power of a Silicon Photovoltaic Cell

    Teaching Materials | 28 Oct 2016 | Contributor(s):: Oskar Cymerman, NNCI Nano

    This lesson is designed to help students find a measure of a solar cell’s power conversion efficiency, by studying output power (Pout) of a silicon PV cell and comparing it to the input power (Pin) of incandescent light bulbs illuminating the PV from a set distance. In this activity,...

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

    Series | 07 Apr 2015 | 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.

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

    Tools | 17 Jul 2012 | 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

  6. Vacuum Nanosystemsfor Energy Conversion

    Online Presentations | 30 Jan 2013 | Contributor(s):: Roger T. Howe

    Micro and nano-fabricated sensors (e.g., accelerometers and gyroscopes) and actuators (e.g., light valve chips for projection and cell-phone displays) have become commonplace in recent years. Some of these devices must operate in a hermetically sealed, lowpressure ambient, a need that motivated...

  7. Thermoelectric Energy Conversion: Transport, Materials, and Systems

    Online Presentations | 26 Nov 2012 | Contributor(s):: Gang Chen

    his talk will start with an introduction to thermoelectric effects, and move on to discuss ways to understand and engineer electron and phonon transport in thermoelectric materials to improve the figure of merit. On phonon transport, thermal conductivity spectroscopy and coherent heat conduction...

  8. Hydrogen Car Demo and Explaination

    Online Presentations | 20 Dec 2011 | Contributor(s):: Go CHOI, Jerry M. Woodall

  9. 2010 NCN@Purdue Summer School: Electronics from the Bottom Up

    Workshops | 20 Apr 2010

    Electronics from the Bottom Up seeks to bring a new perspective to electronic devices – one that is designed to help realize the opportunities that nanotechnology presents.

  10. Limits of Thermal Processes and their Implications on Efficient Energy Utilization

    Online Presentations | 19 Oct 2010 | Contributor(s):: Arunava Majumdar

    About 90 percent of the world’s energy use involves thermal processes – thermal engines to generate mechanical power; heating and cooling in buildings; heating involved in manufacturing of steel, cement, glass, petrochemicals etc. To identify opportunities for improving current...

  11. Transformative Power Semiconductor Technologies to Impact 21st Century Energy Economy, and Space and Defense Electronics

    Online Presentations | 19 Jul 2010 | Contributor(s):: Krishna Shenai

    This talk will focus on advanced power semiconductor materials, devices, circuits and systems that are needed in order to address this daunting challenge. Specifically we will discuss emerging silicon and wide bandgap materials and power devices, heterogeneous chip-scale power integration,...

  12. Nanoelectronic Devices, With an Introduction to Spintronics

    Courses | 20 Jul 2010 | Contributor(s):: Supriyo Datta, Mark Lundstrom

        Nanoelectronic devices are at the heart of today's powerful computers and are also of great interest for many emerging applications including energy conversion, sensing and alternative computing paradigms. Our objective, however, is not to discuss specific devices or...

  13. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 23: Nanomaterials and Devices for Energy Conversion I

    Online Presentations | 23 Dec 2009 | Contributor(s):: Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Energy ConversionTopics: Overview of Actuators at Nanoscale Electrostatic Actuators Piezo-Actuators Surface Acoustic Wave Motors Actuator Selection Electrochemical Actuators Solid State Electrochemical Actuator Electrochemical nano-actuator Electrochemical conversion...

  14. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 24: Nanomaterials and Devices for Energy Conversion II

    Online Presentations | 23 Dec 2009 | Contributor(s):: Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Energy Conversion IITopics: Electrochemistry - Energy Storage Non-linear Diffusion Effect in Electrochemistry Architecture of 3-D batteries Nanomaterials for Energy Storage Solutions for Reversibility Nano-wire Lithium Ion Batteries Nano-wire Solar Cells Micro Nano...

  15. MIT Tools for Energy Conversion and Storage

    Tools | 13 Sep 2009 | Contributor(s):: Jeffrey C Grossman, Joo-Hyoung Lee, Varadharajan Srinivasan, Alexander S McLeod, Lucas Wagner

    Atomic-Scale Simulation Tools to Explore Energy Conversion and Storage Materials

  16. Aluminum: a safe, economical, high energy density material for energy storage, transport and splitting water to make hydrogen on demand

    Online Presentations | 29 Mar 2009 | Contributor(s):: Jerry M. Woodall

    In 1968, a team lead by the author discovered that liquid gallium saturated with aluminum at room temperature would split water into hydrogen gas, alumina and heat. More recently his current team has discovered that bulk, solid Al rich alloys will also split water in the same manner. Since 1) the...

  17. Thermoelectric Power Factor Calculator for Superlattices

    Tools | 18 Oct 2008 | Contributor(s):: Terence Musho, Greg Walker

    Quantum Simulation of the Seebeck Coefficient and Electrical Conductivity in 1D Superlattice Structures using Non-Equilibrium Green's Functions

  18. ECE 495N Lecture 40: Thermoelectricity

    Online Presentations | 29 Dec 2008 | Contributor(s):: Supriyo Datta

  19. Nanoscale Opto Thermo Electric Energy Conversion Devices

    Online Presentations | 28 May 2008 | 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....

  20. The Potential of Nanostructured Materials to Address the Challenge of a Sustainable Energy Resource

    Online Presentations | 14 Feb 2008 | Contributor(s):: Mildred S. Dresselhaus

    An overview is presented on the grand challenges to the science community in the next few decades in meeting global energy needs for the 21st century. Major advances in our present capabilities will be needed for energy production and storage and for its conversion from one form to another. These...