nanoHUB-U FoN: Scientific Overview

21 Dec 2011 | Online Presentations | Contributor(s): Supriyo Datta

http://nanohub.org/resources/12726

Solar Cells Lecture 4: What is Different about Thin-Film Solar Cells?

29 Aug 2011 | Online Presentations | Contributor(s): Muhammad A. Alam

Thin film solar cells promise acceptable efficiency at low cost. This tutorial examines the device physics of thin-film solar cells, which generally require a different type of analysis than …

http://nanohub.org/resources/11949

Solar Cells Lecture 5: Organic Photovoltaics

29 Aug 2011 | Online Presentations | Contributor(s): Muhammad A. Alam

Organic solar cells make use of low-cost organic polymers for photovoltaics. Although these solar cells may appear to be quite different from solar cells made with conventional, inorganic …

http://nanohub.org/resources/11950

Spin Transport and Topological Insulators I

29 Aug 2011 | Online Presentations | Contributor(s): Supriyo Datta

A major development of the last two decades, the physical and conceptual integration of what used to be two distinct unrelated fields, namely spintronics and magnetics.

http://nanohub.org/resources/11898

Thermal Transport Across Interfaces

23 Aug 2011 | Courses | Contributor(s): Timothy S Fisher

These lectures provide a theoretical development of the transport of thermal energy by conduction in nanomaterials, in which material interfaces typically dominate transport. The physical nature of …

http://nanohub.org/resources/11876

Spin Transport and Topological Insulators II

19 Aug 2011 | Online Presentations | Contributor(s): Supriyo Datta

A major development of the last two decades, the physical and conceptual integration of what used to be two distinct unrelated fields, namely spintronics and magnetics.

http://nanohub.org/resources/11899

Lecture 10: Case study-Near-equilibrium Transport in Graphene

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

Near-equilibrium transport in graphene as an example of how to apply the concepts in lectures 1-8.

http://nanohub.org/resources/11873

Solar Cell Fundamentals

19 Aug 2011 | Courses | Contributor(s): Mark Lundstrom, J. L. Gray, Muhammad A. Alam

This set of five tutorials is an introduction to solar cell technology fundamentals.

http://nanohub.org/resources/11888

Solar Cells Lecture 1: Introduction to Photovoltaics

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

An introduction to solar cells covering the basics of PN junctions, optical absorption, and IV characteristics. Key technology options and economic considers are briefly presented.

http://nanohub.org/resources/11875

Solar Cells Lecture 2: Physics of Crystalline Solar Cells

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

Solar cell performance is determined by generation and recombination of electron-hole pairs. This tutorial focussing on recombination losses in crystalline silicon solar cells under short-circuit …

http://nanohub.org/resources/11890

Lecture 7: The Boltzmann Transport Equation

17 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

Semi-classical carrier transport is traditionally described by the Boltzmann Transport Equation (BTE). In this lecture, we present the BTE, show how it is solved, and relate it to the Landauer …

http://nanohub.org/resources/11861

Lecture 9: Introduction to Phonon Transport

17 Aug 2011 | Online Presentations | Contributor(s): Mark Lundstrom

This lecture is an introduction to phonon transport. Key similarities and differences between electron and phonon transport are discussed.

http://nanohub.org/resources/11869

Lecture 5: Thermoelectric Effects - Mathematics

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

Beginning with the general model for transport, we mathematically derive expressions for the four thermoelectric transport coefficients: (i) Electrical conductivity, (ii) Seebeck coefficient (or …

http://nanohub.org/resources/11851

Lecture 6: An Introduction to Scattering

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

In this lecture, we show how the mean-free-path (mfp) is related to the time between scattering events and briefly discuss how the scattering time is related to underlying physical processes.

http://nanohub.org/resources/11856

Lecture 8: Measurements

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

A brief introduction to commonly-used techniques, such as van der Pauw and Hall effect measurements.

http://nanohub.org/resources/11862

Tutorial 2: Thermal Transport Across Interfaces - Electrons

16 Aug 2011 | Online Presentations | Contributor(s): Timothy S Fisher

Outline: Thermal boundary resistance Electronic transport Real interfaces and measurements Carbon nanotube interfaces “Electronics from the Bottom Up” is an educational initiative …

http://nanohub.org/resources/11840

Tutorial 1: Thermal Transport Across Interfaces - Phonons

15 Aug 2011 | Online Presentations | Contributor(s): Timothy S Fisher

Outline: Lattice vibrations and phonons The vibrating string Interfaces between dissimilar strings: acoustic mismatch Discrete masses and the vibrational eigenspectrum General thermal …

http://nanohub.org/resources/11801

Lecture 2: General Model for Transport

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

Datta's model of a nanodevice is introduced as a general way of describing nanodevices as well, as bulk metals and semiconductors.

http://nanohub.org/resources/11745

Lecture 3: Resistance-Ballistic to Diffusive

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

The resistance of a ballistic conductor and concepts, such as the quantum contact resistance, are introduced and discussed. The results are then generalized to treat transport all the way from …

http://nanohub.org/resources/11746

Lecture 4: Thermoelectric Effects-Physical Approach

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

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

http://nanohub.org/resources/11747