42ND IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE TECHNICAL PROGRAM MONDAY, JUNE 15TH 2 MONDAY, JUNE 15TH Monday, June 15, 2015 Keynote - Keynote 8:15 - 8:30 AM Empire Ballroom Highlights & Announcements Chair(s): Alexandre Freundlich 8:15 Conference Welcome Steven Ringel1, Alexandre Freundlich2 1General Conference Chair , 2Program Chair 8:20 IEEE Electron Device Society and IEEE Photonics Society Welcome Address Dalma Novak1, Christopher Jannuzzi2 1IEEE Photonics Society , 2IEEE Electron Device Society 8:25 Technical Program Highlights Alexandre Freundlich 42nd IEEE PVSC Program Chair Area 3 - Plenary 8:30 - 9:00 AM Empire Ballroom Area 3 Plenary Chair(s): Paul Sharps (1) Challenges and Perspectives of CPV Technology Andreas W. Bett Fraunhofer ISE, Freiburg, Germany Area 2 - Plenary 9:00 - 9:30 AM Empire Ballroom Area 2 Plenary Chair(s): Sylvain Marsillac (2) Polarization Probes Polycrystalline PV Performance Precisely Robert W. Collins University of Toledo, Toledo, OH, United States Area 9 - Plenary 9:30 - 10:00 AM Empire Ballroom Area 9 Plenary Chair(s): Clifford Hansen 9:30 (3) Challenges and Opportunities of High-Performance Solar Cells and PV Modules in Large Volume Production Pierre J. Verlinden State Key Laboratory of PV Science and Technology, Trina Solar, Changzhou, China 3 MONDAY, JUNE 15TH Break 10:00 - 10:30 AM Empire Ballroom Foyer (Level 2) Coffee Break Keynote - Keynote 10:30 - 12:00 PM Empire Ballroom Opening Keynotes 10:30 (4) Opening Remarks Steven A. Ringel 42nd IEEE PVSC Conference Chair 10:40 (5) Keynote I: Changing our Energy Future Quietly with Utility Scale PV Raffi Garabedian Chief Technology Officer, First Solar, Inc. 11:05 (6) Keynote II: How about Solar in the Great Global Energy Transition Jeremy Leggett1, Susan Spencer2 1Founding Director, Solarcentury, Founder & Chairman, SolarAid, Chairman, CarbonTracker & Firefly Clean Energy , 2President and Founder, ROCSPOT, North American Ambassador for Solar Aid 11:30 (7) Cherry Award Introduction Sarah Kurtz Cherry Award Chair 11:35 (8) Cherry Award Presentation Christiana Honsberg Arizona State University Area 1 - Orals 1:30 - 3:00 PM Strand 10 (Level 2) Spectral Modification using Nanostructures Chair(s): Antonio Marti, Louise Hirst, Sheila Bailey 1:30 (9) Colloidal Nanoparticles for Intermediate Band Solar Cells Gergely Zimanyi1, Marton Voros1,2, Giulia Galli2 1University of California, Davis, CA, United States, 2University of Chicago, Chicago, IL, United States 1:45 (10) Novel non-radiative exciton harvesting scheme yields a 15% efficiency improvement in high-efficiency III-V solar cells Mael Brossard1, Chung-Yu Hong2,3, Mumin Hung2, Peichen Yu2, Martin D. B. Charlton4, Pavlos G. Savvidis1,5,6, Pavlos G. Lagoudakis1 1School of Physics and Astronomy, University of Southampton, Southampton, United Kingdom, 2Department of Photonics, National Chiao Tung University, Hisnchy, Taiwan, 3Arima Photovoltaic & Optical Corp. Taiwan, Taoyuan, Taiwan, 4School of Electronics and Computer Science, University of Southampton, Southampton, United Kingdom, 5Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom, 6IESL-FORTH, Heraklion, Greece 2:00 (11) A Kinetic Rate Model of Novel Upconversion Nanostructures for High-Efficiency Photovoltaics Eric Y. Chen, Jing Zhang, Diane G. Sellers, Yujun Zhong, Joshua M. O. Zide, Matthew F. Doty University of Delaware, Newark, DE, United States 2:15 Best Student Presentation Award Finalist (12) Investigation of State-Filling and Carrier Collection of Doped InAs QDs through Direct Absorption Measurement Stephen J. Polly, Michael A. Slocum, Staffan Hellstroem, David V. Forbes, Seth M. Hubbard Rochester Institute of Technology, Rochester, NY, United States 4 MONDAY, JUNE 15TH 2:30 (13) Design, synthesis, and photophysical properties of InP/CdS/CdSe and CdTe/CdS/CdSe (core/shell/shell) quantum dots for photon upconversion Diane G Sellers, Matthew F Doty University of Delaware, Newark, DE, United States 2:45 (14) Design of Core/Shell Colloidal Quantum Dots for MEG Solar Cells Stanko Tomic, Jacek Miloszewski, Edward Tyrrell University of Salford, Manchester, United Kingdom Area 2 - Orals 1:30 - 3:00 PM Empire A (Level 2) Progress in CdTe Technology Chair(s): Chris Ferekides, Ayodhya Tiwari 1:30 (15) Invited: Resetting the Defect Chemistry in CdTe W.K. Metzger, J.M. Burst, D.S. Albin, E. Colegrove, J. Moseley, J. Duenow, A. Kanevce, S.B. Farrell, H. Moutinho, M.O. Reese, S. Johnston, T. Barnes, C. Perkins, H. Guthrey, S.H. Wei, M. Al-Jassim National Renewable Energy Laboratory, Golden, CO, United States 2:00 (16) Current Enhancement of CdTe-based Solar Cells Naba R Paudel, Yanfa Yan Department of Physics & Astronomy, The University of Toledo, Toledo, OH, United States 2:15 (17) The Effect of a Post-Activation Annealing Treatment on Thin Film CdTe Device Performance Ali Abbas1, Drew Swanson2, Amit Munshi2, Kurt L Barth2, Walajabad S Sampath2, Geoff D West1, Jake W Bowers1, Piotr M Kaminski1, John M Walls1 1Loughborough University, Loughborough, United Kingdom, 2Colorado State University, Fort Collins, CO, United States 2:30 (18) ZnO nanowire radial CdTe solar cells Jonathan D Major1, Ramon Tena-Zaera2, Eneko Azaceta2, Leon Bowen3, Ken Durose1 1Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool, United Kingdom, 2CIDETEC, San Sebastián, Spain, 3G. J. Russell Microscopy Facility, University of Durham, Durham, United Kingdom 2:45 (19) Twin Boundaries Enhanced Current Transport in 14.4%-Efficient CdTe solar Cells by RF Sputtering Hui Li, Xiangxin Liu, Zhongming Du, Biao Yang The Key Laboratory of Solar Thermal Energy and Photovoltaic System, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, PR China, Beijing, China Area 3 - Orals 1:30 - 3:00 PM Empire B (Level 2) III-V Solar Cells - Metamorphic Multijunctions Chair(s): Minjoo Larry Lee, Stephanie Tomasulo, Yoshitaka Okada 1:30 (20) Design Flexibility of Ultra-High Efficiency 4-Junction Inverted Metamorphic Solar Cells Ryan M. France1, John F. Geisz1, Ivan Garcia1,2, Myles A. Steiner1, William E. McMahon1, Daniel J. Friedman1, Tom E. Moriarty1, Carl Osterwald1, J. Scott Ward1, Anna Duda1, Michelle Young1, Waldo Olavarria1 1National Renewable Energy Laboratory, Golden, CO, United States, 2Instituto de Energia Solar, Madrid, Spain 2:00 (21) Metamorphic III-V solar cells: recent progress and potential Ivan Garcia1,2, Ryan M. France2, John F. Geisz2, William E. McMahon2, Myles A. Steiner2, Daniel J. Friedman2 1Instituto de Energía Solar, Univ. Politécnica de Madrid, Avda Complutense s/n, 28040 Madrid, Spain, Madrid, Spain, 2National Renewable Energy Laboratory, Golden, Colorado 80401, USA, Golden, CO, United States 5 MONDAY, JUNE 15TH 2:30 (22) Investigations of Metamorphic (Al)GaInP for III-V Multijunction Photovoltaics Drew W. Cardwell1, Nathan Vaughn1, Pran Paul1, Chris Ratcliff1, Santino D. Carnevale1, Dan Chmielewski1, Aaron R. Arehart1, Tyler J. Grassman2, Steven A. Ringel1,2,3 1Dept. of Electrical and Computer Engineering, The Ohio State University, Columbus, OH, United States, 2Dept. of Materials Science & Engineering, Columbus, OH, United States, 3Institue for Materials Research, Columbus, OH, United States 2:45 Best Student Presentation Award Finalist (23) Direct-gap 2.1-2.2 eV AlInP Solar Cells on GaInAs/GaAs Metamorphic Buffers Michelle A Vaisman1, Kunal Mukherjee2, Taizo Masuda1, Kevin Nay Yaung1, Eugene A Fitzgerald2, Minjoo L Lee1 1Yale University, New Haven, CT, United States, 2Massachusetts Institute of Technology, Cambridge, MA, United States Area 9 - Orals 1:30 - 3:00 PM Strand 11 (Level 2) Module Materials, Manufacturing and Production Chair(s): Alex Bradley, Fatima Toor 1:30 (24) 335Watt World Record P-type Mono-crystalline Module With 20.6 % Efficiency PERC Solar Cells Shu Zhang, Weiwei Deng, Xiujuan Pan, Haijun Jiao, Hui Chen, Daming Chen, Hongwei Huang, Yanfeng Cui, Jianmei Xu, Jun Feng, Ming Zhong, Yifeng Chen, Zhiqiang Feng, Pierre J. Verlinden State Key Laboratory of PV Science and Technology, Changzhou Trina Solar Energy Co., Ltd., Changzhou, China 2:00 (25) Invited: First Solar Quality & Reliability Strategy Pat Buehler First Solar, Inc 2:15 (26) Online Education with PV Factory Malcolm D. Abbott1, 2, Keith R. McIntosh1, Alison J. Lennon2, Yang Li2, Zhong Lu2, Alex Li2 1PV Lighthouse, Coledale, Australia, 2University of NSW, Sydney, Australia 2:30 (27) Low cost high energy yield solar module lines and its application Thomas Soderstrom1, Yu Yao1, Maria Gragert1, Benjamin Strahm2, Jens Krause3, Pierre Papet2 1Meyer Burger, Gwatt, Switzerland, 2Meyer Burger Research, Hauterives, Switzerland, 3Roth and Rau, Germany, Germany 2:45 (28) Thermal Processes Driving Laser-Welding for Module Interconnection Henning Schulte-Huxel1, Sarah Kajari-Schröder1, Rolf Brendel1,2 1Institute for Solar Energy Research Hamelin, Emmerthal, Germany, 2Institute of Solid-State Physics, Leibniz University of Hanover, Hanover, Germany Area 11 - Orals 1:30 - 3:00 PM Strand 13 (Level 2) System and Balance-of-System Component Reliability Chair(s): Chris Flueckiger, Jeff Newmiller 1:30 (29) A System Reliability Tradeoff Study for Centralized and Distributed PV Architectures Corey Bufi1, Ahmed Elasser2, Mohammed Agamy2 1GE Power and Water, Schenectady, NY, United States, 2GE Global Research, Niskayuna, NY, United States 1:45 (30) Dominant Factors Affecting Reliability of Alternating Current Photovoltaic Modules Patrick Chapman, Paul Parker, Phil Gilchrist SunPower Corp., Austin, TX, United States 2:00 (31) Recommendations for