Tags: photovoltaics

Online Presentations (1-20 of 26)

  1. A Crash Course in Nanophotonic Simulations

    18 Jun 2015 | | Contributor(s):: Peter Bermel

    This seminar will cover rapid, scalable computational methods used in simulating optical reflection,transmission, and absorption in complex structures. After a brief survey of the tools available, the S4 simulation tool will be demonstrated in detail.

  2. A Physical Model for Non-Ohmic Shunt Conduction and Metastability in Amorphous Silicon Solar Cells

    16 Aug 2011 | | Contributor(s):: Sourabh Dongaonkar, Souvik Mahapatra, Karthik Yogendra, Muhammad Alam

    In this talk we develop a coherent physics based understanding of the shunt leakage problem in a-Si:H cells, and discuss its implications on cell and module level.Sourabh Dongaonkar is with School of Electrical and Computer Engineering, Purdue University, West Lafayette, INKarthik Y and Souvik...

  3. Design of Optoelectronically-active Polymers for Organic Photovoltaic Applications

    08 Feb 2013 | | Contributor(s):: Bryan W. Boudouris

    Organic photovoltaic (OPV) devices are of great interest due to their promise of providing flexible, lightweight, and inexpensive alternatives to their currently-used inorganic counterparts. However, large-scale implementation of these modules has been hampered due to their relatively low power...

  4. Economic Factors on the Modern Photovoltaic Market

    16 Sep 2011 | | Contributor(s):: Gregory T. Forcherio

    Photovoltaic research is heavily driven by market demand and "green-energy" hopes of the future. Commercial and utility level thin film photovoltaic systems have almost reached grid parity worldwide, but the residential market, mainly comprised of crystalline and polycrystalline...

  5. Epitaxial Strategies for High Power Optically Pumped Vertical External Cavity Surface Emitting Lasers and Metamorphic Antimonide Solar Cells

    05 Dec 2016 | | Contributor(s):: Ganesh Balakrishnan

    We present antimonide-based photovoltaic cells grown on GaAs and Silicon substrates for use as sub-cells in metamorphic multi-junction solar cells. These antimonide cells, based on GaSb, are designed to absorb near-infrared photons. The GaSb layer is grown on either GaAs or Silicon substrates.

  6. Failures in Photovoltaic Modules

    21 Apr 2015 | | Contributor(s):: Peter Bermel

    In this talk, I will discuss some of the major sources of performance degradation for common glass-encapsulated PV modules, including crystalline silicon and thin films. The greatest reliability challenges have occurred in the latter, with recent studies showing that thin-film modules operating...

  7. Illinois iOptics Lecture 4: Advance applications in Nanomaterials, Photovoltaics, Organic/Inorganic Sensors, Materials Science, and Alternative Energies, etc. using Raman and Photoluminescence Technologies

    10 Aug 2010 | | Contributor(s):: Emmanuel Leroy, Michael Oweimrin

  8. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 25: Nanomaterials and Devices for Solar Energy

    29 Dec 2009 | | Contributor(s):: Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Solar EnergyTopics: Approaches: Breathing Membrane Continuous Operation Fuel Cell Water Management ElectroKinetic Nanobattery EDL Capacitators Laminar Flow Based Micro Fuel Cells The Energy in Sunlight Solar Energy Utilization Discovery of photovoltaic effect...

  9. In Search of the Perfect Semiconductor Photon Detector

    19 May 2008 | | Contributor(s):: Peter Y. Yu

    Photon detectors have many important applications, such as in heat sensing, digital cameras, solar cells and x-ray and gamma-ray detection. So far, the most common detectors are based on elemental semiconductors , such as Si and Ge. However, they are by no means perfect in tackling some of the...

  10. NanoDays - Artificial Photosynthesis with Biomimetic Nanomaterials: Self-Repairing Solar Cells

    05 May 2011 | | Contributor(s):: Jong Hyun Choi

  11. Optimum Morphology and Performance Gains of Organic Solar Cells

    09 Sep 2011 | | Contributor(s):: Biswajit ray, Muhammad Alam

    Morphology of light absorbing layer is known to dictate the power conversion efficiency of organic photovoltaic (OPV) cell. The innovation of bulk heterojunction (BHJ) led to significant improvement for exciton harvesting, but carrier recombination at the distributed interfaces and variability...

  12. OPV: Conjugated Polymer Design and Chemistry for Organic Photovoltaics

    31 Jan 2011 | | Contributor(s):: Claire H Woo

    This presentation was part of the "Organic Photovoltaics: Experiment and Theory" workshop at the 2010 Users' Meeting of the Molecular Foundry and the National Center for Electron Microscopy, both DOE-funded Research Centers at Lawrence Berkeley National Laboratory.

  13. OPV: First Principles Studies of the Electronic Structure of Organic Solids and Interfaces

    31 Jan 2011 | | Contributor(s):: Sahar Sharifzadeh

    This presentation was part of the "Organic Photovoltaics: Experiment and Theory" workshop at the 2010 Users' Meeting of the Molecular Foundry and the National Center for Electron Microscopy, both DOE-funded Research Centers at Lawrence Berkeley National Laboratory.

  14. OPV: Large Scale Ab Initio Simulation for Charge Transport in Disordered Organic Systems

    31 Jan 2011 | | Contributor(s):: Lin-Wang Wang

    This presentation was part of the "Organic Photovoltaics: Experiment and Theory" workshop at the 2010 Users' Meeting of the Molecular Foundry and the National Center for Electron Microscopy, both DOE-funded Research Centers at Lawrence Berkeley National Laboratory.

  15. OPV: Morphology and Interfaces in Organic Photovoltaics

    31 Jan 2011 | | Contributor(s):: Michael Chabinyc

    This presentation was part of the "Organic Photovoltaics: Experiment and Theory" workshop at the 2010 Users' Meeting of the Molecular Foundry and the National Center for Electron Microscopy, both DOE-funded Research Centers at Lawrence Berkeley National Laboratory.

  16. OPV: Synthesis and Nanostructure Control of All-conjugated Diblock Copolymers for the Application of Organic Electronic Devices

    31 Jan 2011 | | Contributor(s):: Yue Zhang

    This presentation was part of the "Organic Photovoltaics: Experiment andTheory" workshop at the 2010 Users' Meeting of the Molecular Foundry andthe National Center for Electron Microscopy, both DOE-funded ResearchCenters at Lawrence Berkeley National Laboratory.

  17. OPV: Time Domain Ab Initio Studies of Organic-Inorganic Composites for Solar Cells

    31 Jan 2011 | | Contributor(s):: Oleg Prezhdo

    This presentation was part of the "Organic Photovoltaics: Experiment and Theory" workshop at the 2010 Users' Meeting of the Molecular Foundry and the National Center for Electron Microscopy, both DOE-funded Research Centers at Lawrence Berkeley National Laboratory.

  18. OPV: Untangling the Essence of Bulk Heterostructure Organic Solar Cells: Why the Complex Need not be Complicated

    31 Jan 2011 | | Contributor(s):: Muhammad Alam

    This presentation was part of the "Organic Photovoltaics: Experiment and Theory" workshop at the 2010 Users' Meeting of the Molecular Foundry and the National Center for Electron Microscopy, both DOE-funded Research Centers at Lawrence Berkeley National Laboratory.

  19. Renewable Solar Energy: Has the Sun Finally Risen on Photovoltaics?

    10 Apr 2009 | | Contributor(s):: Mark R. Pinto

    After a review of the overall renewable energy landscape,including the central role of economics, we present here the case thatPV is on the verge of becoming a major source of electrical powerthrough a principle similar to that which underlies the 50 year progressof IC technology - the reduction...

  20. Solar Cells Lecture 1: Introduction to Photovoltaics

    19 Aug 2011 | | 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.