Focus Session: Defects in Semiconductors: PV Materials

Presentations

• Band alignment of zinc-blende and chalcopyrite semiconductors: Effects of misfit dislocations

  COFFEE_KLATCH · Invited

  March 3, 2014, 8:00 AM – March 3, 2014, 8:36 AM

  Authors

  • Fumiyasu Oba

    • Department of Materials Science and Engineering, Kyoto University and Materials Research Center for Element Strategy, Tokyo Tech, Japan

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• Stacking faults and lamellar twins with intrinsic point defects in poly-crystalline CdTe analyzed by density functional theory

  ORAL

  March 3, 2014, 8:36 AM – March 3, 2014, 8:48 AM

  Authors

  • Christopher Buurma

    • Univ of Illinois - Chicago

  • Maria Chan

    • Argonne National Laboratory

  • Tadas Pauluaskas

    • Univ of Illinois - Chicago

  • Robert Klie

    • Univ of Illinois - Chicago

  • Sivalingam Sivananthan

    • Univ of Illinois - Chicago

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• Origin of reduced efficiency in high Ga concentration Cu(In,Ga)Se$_{2}$ solar cell

  ORAL

  March 3, 2014, 8:48 AM – March 3, 2014, 9:00 AM

  Authors

  • S.-H. Wei

    • National Renewable Energy Lab
    • National Renewable Energy Laboratory

  • B. Huang

    • National Renewable Energy Laboratory

  • H. Deng

    • National Renewable Energy Laboratory

  • M.A. Contreras

    • National Renewable Energy Laboratory

  • R. Noufi

    • National Renewable Energy Laboratory

  • S. Chen

    • Lawrence Berkeley National Laboratory

  • L.W. Wang

    • Lawrence Berkeley National Laboratory

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• Defect Segregations at Grain Boundaries of CuInSe2 and Cu2ZnSnSe4 and Its Impact on Photovoltaic Performance

  ORAL

  March 3, 2014, 9:00 AM – March 3, 2014, 9:12 AM

  Authors

  • Wanjian Yin

    • University of Toledo

  • Yelong Wu

    • University of Toledo

  • Su-Huai Wei

    • National Renewable Energy Lab

  • Rommel Noufi

    • National Renewable Energy Lab

  • Mowafak Al-Jassim

    • National Renewable Energy Lab

  • Yanfa Yan

    • University of Toledo

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• Stability and Electronic Structure of $Cu_{2} ZnSnS_{4} $ Surfaces: a First-Principles Study

  ORAL

  March 3, 2014, 9:12 AM – March 3, 2014, 9:24 AM

  Authors

  • Peng Xu

    • Key Laboratory for Computational Physical Sciences (MOE), Fudan University, Shanghai 200433, China

  • Shiyou Chen

    • Key Laboratory of Polar Materials and Devices (MOE), East China Normal University, Shanghai 200241, China

  • Bing Huang

    • National Renewable Energy Laboratory, Golden, Colorado 80401, USA

  • Hong-Jun Xiang

    • Key Laboratory for Computational Physical Sciences (MOE), Fudan University, Shanghai 200433, China

  • Xin-Gao Gong

    • Key Laboratory for Computational Physical Sciences (MOE), Fudan University, Shanghai 200433, China

  • Su-Huai Wei

    • National Renewable Energy Laboratory, Golden, Colorado 80401, USA

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• Understanding the effects of dopant impurities on quaternary chalcogenide system properties by investigating and modeling local vibrational modes and Raman lineshapes

  ORAL

  March 3, 2014, 9:24 AM – March 3, 2014, 9:36 AM

  Authors

  • Prashant Sarswat

    • University of Utah

  • Michael Free

    • University of Utah

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• Defect formation enthalpy of Cu2ZnSnS4 and Cu2ZnSnSe4 revisited: ab initio insights into the limitations of CZTS technology

  ORAL

  March 3, 2014, 9:36 AM – March 3, 2014, 9:48 AM

  Authors

  • Julien Vidal

    • EDF R\&D, Chatou, France

  • Pawel Zawadzki

    • National Renewable Energy Laboratory, Golden, CO, United States

  • Vladan Stevanovic

    • Colorado Sch of Mines
    • Department of Physics, Colorado School of Mines, Golden, CO, United States

  • Stephan Lany

    • National Renewable Energy Laboratory, Golden, CO
    • National Renewable Energy Laboratory
    • National Renewable Energy Laboratory, Golden, CO, United States

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• Origins of varying carrier concentration in Cu$_2$SnS$_3$ photovoltaic absorbers

  ORAL

  March 3, 2014, 9:48 AM – March 3, 2014, 10:00 AM

  Authors

  • Lauryn Baranowski

    • Colorado School of Mines, National Renewable Energy Laboratory

  • Pawel Zawadzki

    • National Renewable Energy Laboratory

  • Stephan Lany

    • National Renewable Energy Laboratory

  • William Tumas

    • National Renewable Energy Laboratory

  • David Ginley

    • National Renewable Energy Laboratory

  • Eric Toberer

    • Colorado School of Mines, National Renewable Energy Laboratory

  • Andriy Zakutayev

    • National Renewable Energy Laboratory
    • National Renewable Energy Laboratory, Golden, CO

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• Observation of Coulomb repulsion between Cu intercalants in Cu$_{\mathrm{x}}$Bi$_{2}$Se$_{3}$

  ORAL

  March 3, 2014, 10:00 AM – March 3, 2014, 10:12 AM

  Authors

  • Christopher Mann

    • University of Texas at Austin

  • Damien West

    • Rensselaer Polytechnic Institute

  • Ireneusz Miotkowski

    • Purdue University

  • Yong Chen

    • Purdue University

  • Shengbai Zhang

    • Rensselaer Polytechnic Institute

  • Chih-Kang Shih

    • University of Texas at Austin

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• Interface effects on calculated defect levels for oxide defects

  ORAL

  March 3, 2014, 10:12 AM – March 3, 2014, 10:24 AM

  Authors

  • Arthur Edwards

    • AFRL/RVSE
    • Air Force Research Laboratory

  • Hugh Barnaby

    • Arizona State University

  • Peter Schultz

    • Sandia National Laboratories

  • Andrew Pineda

    • Air Force Research Laboratory

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• A comprehensive ab initio study of doping in bulk ZnO with group V elements

  ORAL

  March 3, 2014, 10:24 AM – March 3, 2014, 10:36 AM

  Authors

  • Guido Petretto

    • CEA Saclay, SRMP - CNR-IMM, MDM laboratory Agrate Brianza
    • CEA Saclay, SRMP

  • Fabien Bruneval

    • CEA, DEN, Service de Recherches de Metallurgie Physique, F-91191 Gif-sur-Yvette, France
    • CEA Saclay, SRMP

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• Identifying microscopic mechanisms for hole traps in nitride heterostructures

  ORAL

  March 3, 2014, 10:36 AM – March 3, 2014, 10:48 AM

  Authors

  • John Lyons

    • Materials Department, University of California, Santa Barbara

  • Luke Gordon

    • Materials Department, University of California, Santa Barbara

  • Anderson Janotti

    • Materials Department, University of California, Santa Barbara

  • Chris G. Van de Walle

    • Materials Department, University of California, Santa Barbara

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• Electronic and optical properties of GaSb:N from first principles

  ORAL

  March 3, 2014, 10:48 AM – March 3, 2014, 11:00 AM

  Authors

  • Priyamvada Jadaun

    • Cornell University

  • Hari Nair

    • Cornell University

  • Vincenzo Lordi

    • Lawrence Livermore National Laboratory

  • Seth Bank

    • University of Texas at Austin

  • Sanjay Banerjee

    • University of Texas at Austin

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