Tags: thermoelectrics

Resources (1-20 of 33)

  1. Truncated Levy model for TDTR

    22 Nov 2016 | | Contributor(s):: Amr Mohammed, Ali Shakouri

    Simulate the transient thermal response of materials probed using optical pump probe experiment (TDTR)

  2. Low Temperature Enhancement of the Thermoelectric Seebeck Coefficient in Semiconductor Nanoribbons

    21 Oct 2016 | | Contributor(s):: Kommini Adithya, Zlatan Aksamija

    IWCE 2015 Presentation. We propose a novel approach to achieving a narrow window-shaped TDF through a combination of a step-like 2-dimensional density-of-states (DOS) and inelastic optical phonon scattering. A shift in the onset of scattering with respect to the step-like DOS creates a TDF which...

  3. Ultra-Thin Silicon Membranes and Nanowires as Nanophononic and Thermoelectric Devices

    10 Feb 2016 | | Contributor(s):: Davide Donadio

    IWCE 2015 presentation. Engineering silicon at the nanoscale paves the way to new applications of this cheap, abundant, and technologically and environmentally friendly material. Transistors in nanoelectronics have reached the 10 nm size limit, implying very high density but also critical issues...

  4. Multiscale Modeling of Thermoelectric Cooler

    17 Dec 2014 | | Contributor(s):: Allison Anne Campbell, Mohammad Zunaidur Rashid, afsana sharmin, Shaikh S. Ahmed

    This tool simulates a practical thermoelectric cooler unit with atomistic models

  5. Physics and Simulation of Nanoscale Electronic and Thermoelectric Devices

    25 Jun 2013 | | Contributor(s):: raseong kim

    For the past few decades, transistors have been continuously scaled. Dimensions are now at the nanoscale, and device performance has dramatically improved. Nanotechnology is also achieving breakthroughs in thermoelectrics, which have suffered from low efficiencies for decades. As the device scale...

  6. Landauer Approach to Thermoelectrics

    21 Jun 2013 | | Contributor(s):: Changwook Jeong

    Many efforts have been made to search for materials that maximize the thermoelectric (TE) figure of merit, ZT, but for decades, the improvement has been limited because of the interdependent material parameters that determine ZT. Recently, several breakthroughs have been reported by applying...

  7. [Illinois] Nano EP Series: Thermoelectrics of Roughened Silicon Nanowire Arrays

    12 Dec 2012 | | Contributor(s):: Jyothi Sadhu

    "Thermoelectrics of Roughened Silicon Nanowire Arrays"The possibility of using silicon as a thermoelectric material for waste heat recovery is technologically significant due to silicon's economy of scale and vast processing knowhow. Patterning silicon as nanowires with roughened sidewalls is...

  8. [Illinois] Nano EP Seminar Series: Thin-Film Nanocalorimetry of Lamellar Silver Alkanethiolate Crystals

    26 Nov 2012 | | Contributor(s):: Lito de la Rama

    "Thin-Film Nanocalorimetry of Lamellar Silver Alkanethiolate Crystals"Materials exhibit unique thermodynamic properties at the nanoscale.The study of size-dependent phenomena is critical in our understanding of nanoscale systems.We have developed an ultra-sensitive, fast-scanning thin film...

  9. Nano Solutions to Our Impending Energy Crisis

    11 Nov 2012 | | 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...

  10. Dynmical Models for Thermopower

    19 Apr 2012 | | Contributor(s):: Giulio Casati

    Dynamical nonlinear systems provide a new approach to the old problem of increasing the efficiency of thermoelectric machines. Here we discuss stylized models of classical dynamics, including non interacting complex molecules in an ergodic billiard, a disordered hardpoint gas and systems with...

  11. ECE 656 Lecture 41: Transport in a Nutshell

    20 Dec 2011 | | Contributor(s):: Mark Lundstrom

  12. ECE 656 Lecture 10: Thermoelectric Effects - (Electronic) Heat Flow

    21 Sep 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionHeat transport by current flowMathematical formulationDiscussionSummary

  13. ECE 656 Lecture 9: Thermoelectric Effects - Charge Flow

    21 Sep 2011 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionCharge transport in a temperature gradientMathematical formulationDiscussionSummary

  14. ECE 656: Electronic Transport in Semiconductors (Fall 2011)

    19 Aug 2011 | | Contributor(s):: Mark Lundstrom

    This course is about how charge flows in semiconductors with an emphasis on transport in nanoscale devices. The objective is to develop a broad understanding of basic concepts. The course is designed for those who work on electronic materials and devices – whether they are...

  15. Lecture 5: Thermoelectric Effects - Mathematics

    16 Aug 2011 | | Contributor(s):: Mark Lundstrom

    Beginning with the general model for transport, we mathematically deriveexpressions for the four thermoelectric transport coefficients:(i) Electrical conductivity,(ii) Seebeck coefficient (or "thermopower"),(iii) Peltier coefficient,(iv) Electronic heat conductivity.

  16. Lecture 4: Thermoelectric Effects-Physical Approach

    28 Jul 2011 | | Contributor(s):: Mark Lundstrom

    The effect of temperature gradients on current flow and how electrical currents produce heat currents are discussed.

  17. Near-Equilibrium Transport: Fundamentals and Applications

    28 Jul 2011 | | Contributor(s):: Mark Lundstrom

    Engineers and scientists working on electronic materials and devicesneed a working knowledge of "near-equilibrium" (also called "linear"or "low-field") transport. The term "working knowledge" meansunderstanding how to use theory in practice. Measurements ofresistivity, conductivity, mobility,...

  18. 2011 NCN@Purdue Summer School: Electronics from the Bottom Up

    20 Jul 2011 |

    click on image for larger versionAlumni Discussion Group: LinkedIn

  19. Thermoelectric Effects

    28 Jun 2011 | | Contributor(s):: Dragica Vasileska

    This set of handwritten notes is part of the Semiconductor Transport class.

  20. 2010 NCN@Purdue Summer School: Electronics from the Bottom Up

    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.