PVSC PROGRAM

CIGS/Perovskite Thin Film Tandem Devices

Christian Kaufmann. Helmholtz-Zentrum Berlin / PVcomB, Germany

Progress in PV Material Durability Test Methodologies

William Gambogi. Technical Advisor, Wilmington, DE, USA

Welcome

Bill Shafarman.

IEEE Electron Device Society Welcome

Ravi Todi.

Program and Introduction of Keynote

Karin Hinzer.

Keynote: Technologies for a Solar-Powered Future

Becca Jones-Albertus.

Awards Ceremony

Bill ShafarmanAnnick Anctil.

49th Cherry Award Introduction

Harry Atwater.

49th Cherry Award Address

Steve Forrest.

47th Cherry Award Introduction

Seth Hubbard.

47th Cherry Award Address

Jim Sites.

26.7% AM0, 30.2% AM1.5G dual junction solar cell with 50x InGaAs quantum wells, GaAsP strain compensation, and distributed Bragg reflector

Stephen J Polly¹, Brandon Bogner¹, Anastasiia Fedorenko¹, Subhra Chowdhury², Dhrubes Biswas², Seth M Hubbard¹. ¹Rochester Institute of Technology, Rochester, NY, USA.²Magnolia Optical Technologies, Inc., Woburn, MA, USA

Best Student Presentation Award Finalist - 3 MeV Proton Radiation Tolerance Study of Ultra-thin Gallium Arsenide Solar Cells for Space Applications

Larkin Sayre¹, Armin Barthel¹, Andrew Johnson², Louise C Hirst¹. ¹University of Cambridge, Cambridge, *, United Kingdom.²IQE plc., Cardiff, *, United Kingdom

Hyperspectral Imaging of Localized, Optically-Active Defects in GaAs Solar Cells

Behrang H. Hamadani¹, Margaret A. Stevens², Brianna Conrad¹, Matthew P. Lumb³, Eric Armour⁴, Kenneth J. Schmieder⁵. ¹National Institute of Standards and Technology, Gaithersburg, MD, USA.²NRC Postdoc Residing at NRL, Washington, DC, USA.³Formerly with George Washington University, Washington, DC, USA.⁴Veeco Instruments, Somerset, NJ, USA.⁵U.S. Naval Research Laboratory, Washington, DC, USA

Glued III-V on Si tandem solar cells using hybrid transparent conductive layers

Phuong-Linh Nguyen^{1, 2, 3}, Jeronimo Buencuerpo^{2, 3}, Philippe Baranek^{1, 2}, Oliver Hoehn⁴, David Lackner⁴, Frank Dimroth⁴, Marco Faustini⁵, Stephane Collin^{2, 3}Andrea Cattoni^{2, 3}. ¹EDF RaD, EFESE, Technologie du Solaire, Palaiseau, *, France.²Institut Photovoltaique d'Ile-de-France (IPVF), Palaiseau, *, France.³Centre de Nanosciences and Nanotechnologies (C2N), CNRS, Paris-Saclay University, Palaiseau, *, France.⁴Fraunhofer Institute for Solar Energy Systems (ISE), Freiburg, *, Germany.⁵Laboratoire Chimie de la Matiere Condensee de Paris, Sorbonne Universite, CNRS, Paris, *, France

Drift-Diffusion Modelling of Four-Junction InGaP/InGaAs/SiGeSn/Ge Solar Cells

Laurier S. BaribeauRobert F.H. Hunter, Christopher E. Valdivia, Karin Hinzer. SUNLAB, Centre for Research in Photonics, University of Ottawa, Ottawa, ON, Canada

Best Student Presentation Award Finalist - Thin-Film Multijunction Inverted Metamorphic Solar Cells with Light Management for Space Applications

Julia D'Rozario¹, Steve Polly¹, Rao Tatavarti², Seth Hubbard¹. ¹Rochester Institute of Technology, Rochester, NY, USA.²MicroLink Devices, Niles, IL, USA

Probing Dynamic Influence of Moisture Ingress on Cell Deflection in Photovoltaic Modules

Ian M Slauch¹, Rishi E Kumar², Tala Sidawi², Jared Tracy³, William Gambogi³, Rico Meier¹, David P Fenning², Mariana I Bertoni¹. ¹Fulton School of Engineering, Arizona State University, Tempe, AZ, USA.²Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA.³DuPont Photovoltaic and Advanced Materials, Wilmington, DE, USA

Contactless Determination of Emitter Sheet Resistance for Diffused Silicon Wafers

Yan Zhu, Thorsten Trupke, Ziv Hameiri. University of New South Wales, Sydney, *, Australia

Hyperspectral Luminescence Imaging Analysis of Solar Cells with Localized Radiative Defects

Brianna Conrad, Behrang H. Hamadani. National Institute of Standards and Technology, Gaithersburg, MD, USA

Best Student Presentation Award Finalist - Spatially-Resolved X-Ray Excited Optical Luminescence of Metal Halide Perovskites

Connor Dolan¹, Deniz N. Cakan¹, Rishi E. Kumar¹, Moses Kodur¹, Yanqi Luo², Barry Lai², David P. Fenning¹. ¹University of California, San Diego, La Jolla, CA, USA.²Argonne National Laboratory, Lemont, IL, USA

Best Student Presentation Award Finalist - A Deep Learning Approach to Denoise Electroluminescence Images of Solar Cells

Grace Liu, Priya Dwivedi, Thorsten Trupke, Ziv Hameiri. University of New South Wales, Sydney, *, Australia

Best Student Presentation Award Finalist - Optical Determination of Carrier Concentrations in ITO, PEDOT:PSS, and (FASnI3)0.6(MAPbI3)0.4 within a PV Device

Madan K Mainali, Prakash Uprety , Zhaoning Song, Changlei Wang, Indra Subedi, Kiran Ghimire, Maxwell M Junda, Yanfa Yan, Nikolas J Podraza . The University of Toledo, Toledo, OH, USA

Photodoping causes inconsistencies in the injection-dependent lifetimes of perovskite thin films

Robert A Lee Chin¹, Arman Soufiani¹, Jianghui Zheng^{1, 2, 3}, Paul Fassl^{4, 5}, Anita Ho-Baillie^{2, 3}, Ulrich Paetzold^{4, 5}, Thorsten Trupke¹, Ziv Hameiri¹. ¹SPREE, UNSW, Sydney, *, Australia.²School of Physics, UNSW, Sydney, *, Australia.³Sydney Nano, University of Sydney, Sydney, *, Australia.⁴Light Technology Institute, Karlsruhe Institute of Technology, Karlsruhe, *, Germany.⁵Institute of Microstructure Technology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, *, Germany

Study of ALD-grown Tin Oxide as an Electron Selective Layer for NIP Perovskite-Based Solar Cells

Felix Gayot¹, Elise Bruhat¹, Matthieu Manceau¹, Eric De Vito², Denis Mariolle³, Stephane Cros¹Charles Seron¹. ¹Univ. Grenoble Alpes, INES - CEA Liten, Department of Solar Technologies, Le Bourget du Lac, *, France.²Univ. Grenoble Alpes, CEA Liten, Department of Nanomaterial technologies, Grenoble, *, France.³Univ. Grenoble Alpes, CEA, Leti, Grenoble, *, France

Fill Factor Loss in Perovskite Solar Cells Using Fullerene ETLs Caused by Air Exposure

Austin G Kuba, Alexander J Harding, Raphael Richardson, Ujjwal K Das, Kevin D Dobson, William N Shafarman. Institute of Energy Conversion, University of Delaware, Newark, DE, USA

Best Student Presentation Award Finalist - No Time to Waste: Quickly Optimizing Perovskite Composition with Off-the-Shelf Active Learning Methods

Rishi E Kumar¹, Moses Kodur¹, Arun Kumar Mannodi Kannakithodi², David P Fenning¹. ¹University of California San Diego, La Jolla, CA, USA.²Purdue University, West Lafayette, IN, USA

Best Student Presentation Award Finalist - Superior Performance of Two-Phase Triple Halide Inorganic Perovskites

Deniz N. Cakan¹, Rishi E. Kumar¹, Connor Dolan¹, Moses Kodur¹, Yanqi Luo², Tao Zhou², Zhonghou Cai², Barry Lai², Martin Holt², David P. Fenning¹. ¹University of California, San Diego, La Jolla, CA, USA.²Argonne National Laboratory, Lemont, IL, USA

Reproducibility and Photostability of High-Efficiency Perovskite Solar Cells in Scalable Manufacturing

Rohit Prasanna. Swift Solar, San Carlos, CA, USA

Glare potential evaluation of structured PV glass based on gonioreflectometry

Markus Babin, Sune Thorsteinsson, Adrian A. Santamaria Lancia, Michael L. Jakobsen, Sergiu V. Spataru. Department of Photonics Engineering, Technical University of Denmark, Roskilde, *, Denmark

Agrivoltaic Modules Optimizing Light for Crops in Dryland Regions

Christiana B. Honsberg¹, Greg Barron-Gafford², Stuart G. Bowden¹, Robert Sampson³. ¹Arizona State University, Tempe, AZ, USA.²University of Arizona, Tucson, AZ, USA.³Sunesta Solar, Peoria, AZ, USA

Dynamic Simulation of a Load-Matching Photovoltaic System for Green Hydrogen Production

Christian R Polo, William J Parquette, Kelvin Tan, Meng Tao. Arizona State University, Tempe, AZ, USA

Outdoor Characterization of Hybrid HCPV-T Module Featuring a Passive Tracking System

Guido Vallerotto¹, Steve Askins¹, Javier van Herpt², David Marti², Jaime Caselles², Ignacio Anton¹. ¹Instituto de Energia Solar (IES), Madrid, *, Spain.²SolaRays Energy, Pedreguer, *, Spain

Analysis for Solar Coverage and CO2 Emission Reduction of Photovoltaic-powered Vehicles

Masafumi Yamaguchi¹, Taizo Masuda², Takashi Nakado³, Kazumi Yamada³, Kenichi OKumura², Akinori Satou², Yasuyuki Ota⁴, Kenji Araki⁴, Nensuke Nishioka⁴. ¹Toyota Tech. Inst., Nagoya, *, Japan.²Toyota Motor Co., Susono, *, Japan.³Toyota Motor Co., Toyota, *, Japan.⁴University of Miyazaki, Miyazaki, *, Japan

Impact of Snow Depth on Single-Axis Tracked Bifacial Photovoltaic System Performance

Annie C. J. Russell¹, Christopher E. Valdivia¹, Joan E. Haysom^{1, 2}, Karin Hinzer¹. ¹SUNLAB, Centre for Research in Photonics, Ottawa, ON, Canada.²J. L. Richards a Associates Limited, Ottawa, ON, Canada

FEM based thermal model of an agrivoltaic system

Karan P Rane¹, Navni Verma², Ardeshir Contractor², Narendra Shiradkar¹. ¹National Centre for Photovoltaic Research and Education (NCPRE), Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai, Maharashtra, 400076, India, Mumbai, *, India.²Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus (OH), 43210, USA, Columbus, OH, USA

Impact of the 2019-2020 Australian Black Summer Wildfires on Photovoltaic Energy Production

Ethan Ford¹, Bram Hoex¹, Ian Marius Peters². ¹UNSW, Sydney, *, Australia.²Forschungszentrum JA¼lich GmbH, JA¼lich, *, Germany

Enhancing temporal variability of 5-minute satellite-derived solar irradiance data

Jing Huang¹, Richard Perez², Marc Perez¹, Akanksha Bhat¹, Patrick Keelin¹. ¹Clean Power Research, Napa, CA, USA.²SUNY, Albany, NY, USA

Cloud Segmentation and Motion Tracking in Sky Images

Benjamin G Pierce, Joshua S Stein, Jennifer L Braid, Daniel Riley. Sandia National Laboratories, Albuquerque, NM, USA

Extensive Evaluation and Uncertainty Estimation of Albedo Data Sources

Vicente Lara Fanego. Solargis s.r.o., Bratislava, *, Slovakia

The National Solar Radiation Database (NSRDB): Current Status

Aron Habte, Manajit Sengupta, Yu Xie, Grant Buster, Michael Rossol, Paul Edwards, Galen Maclaurin, Evan Rosenlieb, Jaemo Yang, Haiku Sky, Mike Bannister, Billy Roberts. National Renewable Energy Lab., Golden, CO, USA

Stuart R. Wenham Young Professional Award Winner: The fundamental role of solar photovoltaics to remain in a pathway compatible with the Paris Agreement

Marta Victoria. Aarhus University, Aarhus, *, Denmark

Best Student Presentation Award Finalist - Tellurium Availability for the PV Industry Using a System Dynamics Approach

Francis Hanna, Annick Anctil. Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI, USA

Reverse Energy Injustice On Molokai Island To The Underserved Communities With 100% Energy From The Sun (Light & Heat) For Energy Cost Savings Equity

John O Borland. J.O.B. Technologies, Aiea, HI, USA

Comparative Analysis of the Life Cycle Assessment of Crystalline Silicon Glass-Sheet based PV Modules and Plastic PV Modules

Sakthi Guhan Somasundaram¹Xitong Zhu², Angele Reinders^{1, 2}. ¹University of Twente, Enschede, *, Netherlands.²Eindhoven University of Technology, Eindhoven, *, Netherlands

Demonstration of Point Contact Geometry for Solar Cells Using Single Walled Carbon Nanotube

Fadhil K. AlfadhiliAdam B. Phillips, Manoj K. Jamarkattel, Bhuiyan M. Anwar, Prabodika N. Kaluarachchi, Zahrah S. Almutawah, Abdul Quader, Deng-Bing Li, Yanfa Yan, Randy J. Ellingson, Michael J. Heben. Wright Center for Photovoltaics Innovation and Commercialization, Department of Physics and Astronomy, University of Toledo, Toledo, OH, USA

Study of Degradation of Cu (In, Ga)Se2 Solar Cell Parameters Due to Temperature

Rabee B. Alkhayat²Dhurba R. Sapkota¹. ¹University of Toledo, Toledo, OH, USA.²University of Mosul, Mosul, *, Iraq

Parametric Analysis of Capacitance-Voltage Data for In-Situ Heat and Light Soaking Behavior of CIGS Solar Cells

Shubhra Bansal, Mohsen Jahandardoost. University of Nevada Las Vegas, Las Vegas, NV, USA

Elimination of the carbon-rich layer in Cu2ZnSn(S, Se)4 absorbers prepared from nanoparticle inks

Stephen Campbell¹, Martial Duchamp², Neil Beattie¹, Michael Jones¹, Guillaume Zoppi¹, Vincent Barrioz¹, Yongtao Qu¹. ¹Northumbria University, Newcastle upon Tyne, *, United Kingdom.²Nanyang Technological University, Singapore, *, Singapore

Improved Efficiency of non-toxic Cu3BiS3 Thin Film Solar Cell Employing PCBM Electron Transport Layer

Sandip Das. Department of Electrical and Computer Engineering, Kennesaw State University, Marietta, GA, USA

Optical Properties of Thin Film Sb2Se3 and Identification of its Electronic Losses in Photovoltaic Devices

Niva K. Jayswal, Suman Rijal, Biwas Subedi, Indra Subedi, Zhaoning Song, Robert W. Collins, Yanfa Yan, Nikolas J. Podraza. University of Toledo, Toledo, OH, USA

Which potential for Kesterite absorbers in tandem solar cells: a quantitative modelling approach

Alex Jimenez^{1, 2}, Alejandro Navarro^{1, 2}, Sergio Girlado¹, Kunal Jogendra Tiwari^{1, 2}, Marcel Placidi^{1, 2}, Lorenzo Calvo-Barrio³, Joaquim Puigdollers¹, Edgardo Saucedo¹Zacharie Jehl Li-Kao¹. ¹Polytechnic University of Catalonia (UPC), Barcelona, *, Spain.²Catalonia Institute for Energy Research (IREC), Barcelona, *, Spain.³CCiTUB, Universitat de Barcelona, Barcelona, *, Spain

On the Effect of Indium Chloride Dose on the Recrystallization of Cu(In, Ga)Se2 Thin Films and associated Devices

Adam Masters¹, Deewakar Poudel¹, Benjamin Belfore¹, Elizabeth Palmiotti²Angus Rockett², Sylvain Marsillac¹. ¹Virginia Institute of Photovoltaics, Old Dominion University, Norfolk, VA, USA.²Dept. of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO, USA

Impact of Indium Chloride Treatment on the Properties of CuInSe2 Thin Films

Adam Masters¹, Deewakar Poudel¹, Benjamin Belfore¹, Elizabeth Palmiotti²Angus Rockett², Sylvain Marsillac¹. ¹Virginia Institute of Photovoltaics, Old Dominion University, Norfolk, VA, USA.²Dept. of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO, USA

Na Diffusion and Device Performance of AgBr Treated CuGaSe2 Thin Films

Elizabeth Palmiotti¹, Polyxeni Tsoulka², Thomas Lepetit², Nicolas Barreau², Angus Rockett¹. ¹Colorado School of Mines, Golden, CO, USA.²Universite de Nantes, Nantes, *, France

Hydrothermally Deposited Antimony Sulfide Solar Cells With VOC Approaching 800 mV

Dipendra Pokhrel¹, Nini Rose Mathew², Suman Rijal¹, Ebin Bastola¹, Abasi Abudulimu¹, Tamanna Mariam¹, Xavier Mathew², Adam B Phillips¹, Michael J Heben¹, Zhaoning Song¹, Yanfa Yan¹, Randy J Ellingson¹. ¹University of Toledo, Toledo, OH, USA.²Instituto de Energias Renovables, Temixco, *, Mexico

Post-deposition Metal Halide Treatment of CuGaSe2 for Photovoltaic Application

Deewakar Poudel¹, Benjamin Belfore¹, Adam Masters¹, Elizabeth Palmiotti²Angus Rockett², Sylvain Marsillac¹. ¹Virginia Institute of Photovoltaics, Old Dominion University, Norfolk, VA, USA.²Dept. of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO, USA

Effect of Metal Halides Treatment on High Throughput Low Temperature CIGS Solar Cells

Deewakar Poudel¹, Adam Masters¹, Benjamin Belfore¹Elizabeth Palmiotti², Angus Rockett², Sylvain Marsillac¹. ¹Virginia Institute of Photovoltaics, Old Dominion University, Norfolk, VA, USA.²Dept. of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO, USA

Grain Enhancement in Polycrystalline CuGaSe2 by AgBr Vapor Treatment

Deewakar Poudel¹, Benjamin Belfore¹, Adam Masters¹, Elizabeth Palmiotti²Angus Rockett², Sylvain Marsillac¹. ¹Virginia Institute of Photovoltaics, Old Dominion University, Norfolk, VA, USA.²Dept. of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO, USA

Post-annealing Treatment on Hydrothermally Grown Sb2(S, Se)3 Thin Films for Efficient Solar Cells

Suman Rijal, Zhaoning Song, Deng-Bing Li, Jaehoon Chung, Sandip S Bista, Dipendra Pokhrel, Sabin Neupane, Randy Ellingson, Yanfa Yan. The University of Toledo, Toledo, OH, USA

Spectroscopic Ellipsometry Analysis and Quantum Efficiency Simulation of CuInSe2 Solar Cells

Dhurba R. Sapkota¹, Ambalanath Shan¹, Balaji Ramanujam¹, Puja Pradhan¹, Richard Irving¹, Adam B. Phillips¹, Michael J. Heben¹, Randy J. Ellingson¹, Sylvain Marsillac², Nikolas J. Podraza¹, Robert W. Collins¹. ¹University of Toledo, Toledo, OH, USA.²Old Dominion University, Norfolk, VA, USA

External Quantum Efficiency and Device Reflectance of CIGS PV for Terrestrial and Space Based Applications

Bishal Shrestha, Indra Subedi, Nikolas Jacob Podraza. The University of Toledo, Toledo, OH, USA

Mechanical Degradation Studies on flexible CIGS cells and modules for floating PV

Wim Soppe, Aldo Kingma, Klaas Bakker, Dorrit Roosen. TNO-Solliance, Eindhoven, *, Netherlands

Differences of CIGS cell performance with Zn(O, S)/(Zn, Mg)O or CdS/i-ZnO buffers system explored by numerical simulations

Giovanna Sozzi¹, Dimitrios Hariskos², Wolfram Witte². ¹Department of Engineering and Architecture, University of Parma, Parma, *, Italy.²Zentrum fur Sonnenenergie- und Wasserstoff-Forschung Baden-Wurttemberg (ZSW), Stuttgard, *, Germany

CdTe:In - Post-Growth Doping and Proposals for Photovoltaic Devices

Luke Thomas¹, Theo DC Hobaon¹, Laurie J Phillips¹, Kieran J Cheetham^{1, 2}, Neil Tarbuck¹, Mark Isaacs³, Huw Sheil^{1, 5}, Vin Dhanak¹, Tim D Veal¹, Stephen Campbell⁴, Vincent Barrioz⁴, Jon D Major¹, Ken Durose¹. ¹Unviersity of Liverpool, Liverpool, *, United Kingdom.²STFC, Daresbury, Daresbury, *, United Kingdom.³Harwell XPS, Didcot, *, United Kingdom.⁴University of Northumbria, Newcastle - upon - Tyne, *, United Kingdom.⁵Imperial College, London, *, United Kingdom

Exploring the Role of Temperature and Hole Transport Layer on the Ribbon Orientation and Efficiency of Sb2Se3 cells Deposited via Thermal Evaporation

Ryan Voyce¹, Stephen Campbell¹, Oliver S. Hutter¹, Guillaume Zoppi¹, Neil S. Beattie¹, Elizabeth A. Gibson², Vincent Barrioz¹. ¹Northumbria University, Newcastle upon Tyne, *, United Kingdom.²Newcastle University, Newcastle upon Tyne, *, United Kingdom

Effects of Novel In+RbF Post-Deposition Treatment on Cu(InxGa1-x)Se2 Solar Cells

Jake Wands¹, Polyxeni Tsoulka², Thomas Lepetit², Nicolas Barreau², Angus Rockett¹. ¹Colorado School of Mines, Golden, CO, USA.²Universite de Nantes, Nantes, *, France

The Profound Influence of Substrate Thermal Resistance on the Photovoltaic Properties of Solution-Processed Cu(In, Ga)Se2

Kyle G Weideman, Rakesh Agrawal. Purdue University, West Lafayette, IN, USA

Planar and Nanowire InP Thin Solar Cells for Ultralight Space Power Applications

Sara Anjum, Pilar Espinet-Gonzalez, Harry A. Atwater. California Institute of Technology, Pasadena, CA, USA

Thin, Radiation-Resilient III-V PV Devices Utilizing Quantum Structures and Epitaxial Light Reflectors

Brandon M. Bogner¹, Stephen J. Polly¹, Seth M. Hubbard¹, Roger E. Welser². ¹Rochester Institute of Technology, Rochester, NY, USA.²Magnolia Optical Technologies, Inc., Woburn, MA, USA

Multiple substrate reuse: a straightforward reconditioning of Ge wafers after porous separation

Alexandre Chapotot^{1, 2}, Javier Arias-Zapata^{1, 2}, Tadea Hanu^{1, 2}, Bouraoui Ilahi^{1, 2}, Nicolas Paupy^{1, 2}, Valentin Daniel^{1, 2}, Zakaria Oulad El Hmaidi^{1, 2}, Jeremie Chretien^{1, 2}, Gwenaelle Hamon^{1, 2}, Maxime Darnon^{1, 2}, Abderraouf Boucherif^{1, 2}. ¹Institut Interdisciplinaire d, Sherbrooke, QC, Canada.²Laboratoire Nanotechnologies Nanosystemes (LN2), Sherbrooke, QC, Canada

GeCl4-based High Quality Ge epitaxy on Engineered Ge Substrates for Thin Multi-junction Solar Cells

Jinyoun CHO¹, Clement Porret², Valerie Depauw², Guillaume Courtois¹, Daniel McDermott², Roger Loo², Kristof Dessein¹, Rufi Kurstjens¹. ¹Umicore, Olen, *, Belgium.²imec, Leuven, *, Belgium

Micro-fabrication and transfer of a detachable Ge epitaxial layer grown on porous germanium

Valentin Daniel^{1, 2}, Jeremie Chretien^{1, 2}, Gwenaelle Hamon^{1, 2}, Mathieu De Lafontaine^{1, 2}, Nicolas Paupy^{1, 2}, Zakaria Oulad ElHmaidi^{1, 2}, Bouraoui Ilahi^{1, 2}, Tadeas Hanus^{1, 2}, Maxime Darnon^{1, 2}, Abderraouf Boucherif^{1, 2}. ¹Institut Interdisciplinaire d'Innovation Technologique (3IT), Universite de Sherbrooke, Sherbrooke, QC, Canada.²Laboratoire Nanotechnologies Nanosystemes (LN2) - CNRS IRL-3463 Institut Interdisciplinaire d'Innovation Technologique (3IT), Universite de Sherbrooke, Sherbrooke, QC, Canada

Micro-Scale III-V/Ge Multijunction Solar Cell with Through Cell Via Contacts

Mathieu de Lafontaine^{1, 2}, Guillaume Gay², Erwine Pargon², Camille Petit-Etienne², Romain Stricher¹, Serge Ecoffey¹, Artur Turala¹, Maite Volatier¹, Abdelatif Jaouad¹, Simon Fafard¹, Vincent Aimez¹, Maxime Darnon¹. ¹Laboratoire Nanotechnologies Nanosystemes (LN2) CNRS IRL-3463 Institut Interdisciplinaire d, Sherbrooke, QC, Canada.²Universite Grenoble Alpes, CNRS, CEA/LETI-Minatec, Grenoble INP, LTM, Grenoble, *, France

Planar Transparent Conductive Oxide/Ag Rear Contacts for High Efficiency III-V Photovoltaics

Christopher T. Gregory, Sean J. Babcock, Richard R. King. Arizona State University, Tempe, AZ, USA

Perimeter recombination in GaAs solar cells with different geometries

Natasha Gruginskie, Gerard Bauhuis, Peter Mulder, Elias Vlieg, John Schermer. Radboud University, Nijmegen, *, Netherlands

Fabrication of ultrathin Ge template for growth of multijunction solar cells based on wafer-scale porous Ge

Tadea Hanu^{1, 2}, Javier Arias-Zapata^{1, 2}, Bouraoui Ilahi^{1, 2}, Philippe-Olivier Provost^{1, 2}, Alexandre Chapotot^{1, 2}, Abderraouf Boucherif^{1, 2}. ¹Institut Interdisciplinaire d'Innovation Technologique (3IT), Universite de Sherbrooke, 3000 Boulevard de l'Universite, Sherbrooke, J1K OA5 Quebec, Canada, Sherbrooke, QC, Canada.²Laboratoire Nanotechnologies Nanosystemes (LN2), Sherbrooke, QC, Canada

Unlocking 1550 nm Laser Power Conversion by InGaAs Single- and Multi-Junction PV Cells

Henning Helmers, Oliver Hohn, Thomas Tibbits, Meike Schauerte, H. M. Noman Amin, David Lackner. Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, *, Germany

Optical Design Considerations for Thin Photonic Power Converters with Textured Back Reflector

Neda Nouri, Christopher E. Valdivia, Meghan N Beattie, Jacob J Krich, Karin Hinzer. SUNLAB, Centre for Research in Photonics, University of Ottawa, Ottawa, ON, Canada

Epitaxial growth of detachable GaAs/Ge heterostructure on mesoporous Ge substrate for layer separation and substrate reuse

Nicolas Paupy^{1, 2}, Bouraoui Ilahi^{1, 2}, Zakaria Oulad Elhmaidi^{1, 2}, Valentin Daniel^{1, 2}, Tadea Hanu^{1, 2}, Roxana Arvinte^{1, 2}, Alexandre Heintz^{1, 2}, Alex Brice Poungoue Mbeunmi^{1, 2}, Thierno Mamoudou Diallo^{1, 2}, Richard Ares^{1, 2}, Abderraouf Boucherif^{1, 2}. ¹Institut Interdisciplinaire d, Sherbrooke, QC, Canada.²Laboratoire Nanotechnologies Nano systemes (LN2), Sherbrooke, QC, Canada

Ultrathin III-V solar cells with light-trapping structures fabricated in situ using an HVPE reactor

Allison N. Perna¹, Anna K. Braun¹, Kevin L. Schulte², John Simon², Corinne E. Packard¹, Aaron J. Ptak². ¹Colorado School of Mines, Golden, CO, USA.²National Renewable Energy Laboratory, Golden, CO, USA

Flexible GaAs Solar Cell Using Water-Soluble Sacrificial Layer for Epitaxial Lift-Off Process

SAHIL SHARMA^{1, 3, 4}, CARLOS A FAVELA^{1, 3, 4}, BO YU^{1, 3, 4}, EDUARD GALSTYAN^{3, 4}, VENKAT SELVAMANICKAM^{1, 2, 3, 4}. ¹Material Science Engineering, University of Houston, Houston, TX, USA.²Mechanical Engineering, University of Houston, Houston, TX, USA.³Advanced Manufacturing Institute, University of Houston, Houston, TX, USA.⁴Texas Center of Superconductivity, University of Houston, Houston, TX, USA

Progress on Substrate Reuse Using Sonic Lift-Off for GaAs-Based Photovoltaics

Andrew B. Sindermann¹, Stephen J. Polly¹, Pablo Guimera Coll², Elijah J. Sacchitella¹, Brandon M. Bogner¹, Mariana I. Bertoni³, Seth M. Hubbard¹. ¹Rochester Institute of Technology, Rochester, NY, USA.²Crystal Sonic Inc., Phoenix, AZ, USA.³Arizona State University, Tempe, AZ, USA

Selective etching of 6.1 Å Materials for Transfer-Printed Devices

Margaret A Stevens¹, Jill A Nolde², Shawn Mack², Kenneth J Schmieder². ¹NRC Postdoctoral Fellow residing at Naval Research Laboratory, Washington, DC, USA.²US Naval Research Laboratory, Washington, DC, USA

Translating Material-Level Characterization of Carbon-Nanotube-Reinforced Composite Gridlines To Module-Level Degradation

Andre Chavez^{1, 2}, Brian Rummel^{1, 2}, April Jeffries², Sang M Han^{1, 2}, Nick Bosco³, Brian Rounsaville⁴, Ajeet Rohatgi⁴. ¹University of New Mexico, Albuquerque, NM, USA.²Osazda Energy, Albuquerque, NM, USA.³National Renewable Energy Laboratory, Albuquerque, NM, USA.⁴Georgia Institute of Technology, Albuquerque, NM, USA

Monte Carlo evaluation of multijunction solar systems in tandem and 4-terminal configurations

Roberto Corso, Marco Leonardi, Andrea Scuto, Salvatore A. Lombardo. Institute for Microelectronics and Microsystems, National Research Council, Catania, *, Italy

Growth of GaAs on Ge/Si (001) nanovoided virtual substrate

Jonathan Henriques^{1, 2}, Alexandre Heintz^{1, 2}, Bouraoui Ilahi^{1, 2}, Richard Ares^{1, 2}, Abderraouf Boucherif^{1, 2}. ¹Institut Interdisciplinaire d, Sherbrooke, QC, Canada.²Laboratoire Nanotechnologies Nanosystemes (LN2), Sherbrooke, QC, Canada

Understanding the Solar Cell Contacts With Atmospheric Screen-Printed Copper

Sandra Huneycutt¹, Abasifreke Ebong¹, Krishnamraju Ankireddy², Ruvini Dharmadasa², Thad Druffel². ¹The University of North Carolina at Charlotte, Charlotte, NC, USA.²Bert Thin Films, Louisville, KY, USA

PV Module Toxicity Testing Methods and Results: A Literature Review

Fang Li¹, Stephanie Shaw², Cara Libby², Bulent Bicer¹, GovindaSamy TamizhMani¹. ¹Photovoltaic Reliability Laboratory, Arizona State University (ASU-PRL), Mesa, AZ, USA.²Electric Power Research Institute (EPRI), Palo Alto, CA, USA

Demystifying the effect of hydrogen treatment on silicon photovoltaics

Govind Nanda, Sara Almenabawy, Rajiv Prinja, Geetu Sharma, Nazir P. Kherani. Department of Electrical a Computer Engineering, University of Toronto, Toronto, ON, Canada

Spectral shape changes the optimal perovskite thickness of the 2-terminal perovskite/silicon tandem solar cell

Dong C. Nguyen, Yasuaki Ishikawa. College of Science and Engineering, Aoyama Gakuin University, Sagamihara, Kanagawa 252-5258, *, Japan

Photovoltaic Thermal Management in Luminescent Solar Concentrators

Megan E Phelan¹, David R Needell¹, Maggie M Potter², Haley C Bauser¹Catherine Ryczek¹, Ralph G Nuzzo², Harry A Atwater¹. ¹California Institute of Technology, Pasadena, CA, USA.²University of Illinois at Urbana-Champaign, Champaign, IL, USA

Polyethienimine interface dipole tuning for electron selective contacts

Eloi Ros¹, Thomas Tom², Gerard Masmitja¹, benjamin pusay¹, estefania almache¹, Julia Lopez², maykel jimenez¹, pablo ortega¹, edgardo saucedo¹, Joan Bertomeu², joaquim puigdollers¹, Cristobal Voz¹. ¹Universitat PolitAccnica de Catalunya, Barcelona, *, Spain.²Universitat de Barcelona, Barcelona, *, Spain

Efficient self-protected thin film c-Si solar cell against reverse-biasing condition: A simulation study

Omar M. Saif^{1, 2}, Abdelhalim Zekry¹, Ahmed Shaker Ghazala³, Mohamed A. Abouelatta¹Ahmed Saeed⁴. ¹Department of Electronics and Communications, Faculty of Engineering, Ain Shams University, Cairo, *, Egypt.²Department of Electronics and Communications, Engineering School, Canadian International College, Zayed Campus, Giza, Giza, *, Egypt.³Engineering Physics and Mathematics Department, Faculty of Engineering, Ain Shams University, Cairo, *, Egypt.⁴Electrical Engineering Department, Future University in Egypt, Cairo, *, Egypt

Machine Learning Driven Studies of Performance Degradation in a-Si:H/c-Si Heterojunction Solar Cells

Davis Unruh¹, Reza Vatan Meidanshahi²Zitong Zhao¹, Stephen M. Goodnick², Gergely T. Zimanyi¹. ¹University of California Davis, Davis, CA, USA.²Arizona State University, Tempe, AZ, USA

Fabricating high aspect ratio front contacts for solar cells by string-printing

Mathis Van de Voorde^{1, 2}Rebecca Saive¹. ¹University of Twente, Enschede, *, Netherlands.²European School of Chemistry, Polymers and Materials Science, Strasbourg, *, France

Characterizing the capacitance of different c-Si PV cell technologies using impedance spectroscopy

David A. van Nijen, Patrizio Manganiello, Mirco Muttillo, Miro Zeman, Olindo Isabella. TU Delft, Delft, *, Netherlands

Statistical and Engineering Process Control of Phosphorus Diffused Solar Wafers Using Contactless Infrared Reflectometry

Johnson Wong, Divya Ananthanarayanan, Gordon Deans. Aurora Solar Technologies, North Vancouver, BC, Canada

Performance Assessment of A Residential Building Integrated Photovoltaic (BIPV) System in Dhaka City

Md Mahbub Ali, Nur Jahan Beanta Sorower, Abu Niem Seum, Md Shifain Mahathir Alvi, Rawnak Reza Raka, Mohaimenul Islam, Md Mosaddequr Rahman. Brac University, Dhaka, *, Bangladesh

Effect of Dilute Acid Exposure on Sol-gel Porous Silica Anti-Reflection Coatings

Farwah Bukhari, Luke O Jones, Adam Law, Ali Abbas, John Michael Walls.

Assessment of mechanical robustness of conventional and CFRP-based lightweight PV module architectures under static loads

Umang Desai^{1, 2}, Aparna Singh². ¹Department of metallurgical engineering and materials science, Indian Institute of Technology Bombay, Mumbai, *, India.²National centre for photovoltaic research and education, Indian Institute of Technology Bombay, Mumbai, *, India

Vinyl acetate content tailoring in ethylene vinyl acetate improves the resilience against environmental stressors

Umang Desai^{1, 2}, Bhuwanesh Kumar Sharma³, Aparna Singh¹. ¹Department of metallurgical engineering and materials science, Indian Institute of Technology Bombay, Mumbai, *, India.²National centre for photovoltaic research and education, Indian Institute of Technology Bomby, Mumbai, *, India.³Faculty of Science, Department of Chemistry, MUIS, Ganpat University, Mehsana, *, India

PV Module Operating Temperature Model Equivalence and Parameter Translation

Anton Driesse¹, Marios Theristis², Joshua S. Stein². ¹PV Performance Labs, Freiburg, *, Germany.²Sandia National Laboratories, Albuquerque, NM, USA

22% efficiency module combining Silicon Heterojunction Solar and Shingle interconnection

Marina Foti¹, Marco Galiazzo², Enrico Sovernigo², Nicola Frasson², Cosimo Gerardi¹, Alfredo Guglielmino¹, Grazia Litrico¹, Marcello Sciuto¹, Antonio Spampinato¹, Antonino Ragonesi¹, Francesco Rametta¹, Andrea Canino³, Agata Carbonaro³, Fabrizio Coco³, Agnese Di Stefano³, Fabrizio Bizzarri⁴. ¹Enel Green Power S.p.A, 3SUN, Contrada Blocco Torrazze Zona Industriale 95121, Catania, *, Italy.²Applied Materials Italia Srl, Via Postumia Ovest 244, Olmi di San Biagio di Callalta, Treviso, *, Italy.³Enel Green Power S.p.A, Innovation Lab Contrada Passo Martino Zona Industriale, Catania, *, Italy.⁴Enel Green Power S.p.A, Solar Innovation, V.le Regina Margherita 125, Roma, *, Italy

FTO Delamination for Photovoltaic Module Separation

Jongwon Ko¹, Soohyun Bae¹, Yoonmook Kang², Hae-Seok Lee², Donghwan Kim^{1, 2}. ¹Korea University, Seoul, *, South Korea.²Korea University, Seoul, *, South Korea

Effects of solar spectrum and albedo on the performance of bifacial Si heterojunction mini-modules

Marco Leonardi^{1, 4}, Roberto Corso^{1, 4}, Gabriella Milazzo¹, Andrea Scuto¹, Carmelo Connelli², Marina Foti², Cosimo Gerardi², Fabrizio Bizzarri³, Stefania M. Privitera¹, Salvatore A. Lombardo¹. ¹National Research Council, Institute for Microelectronics and Microsystems (CNR-IMM), Catania, *, Italy.²Enel Green Power, Catania, *, Italy.³Enel Green Power, Rome, *, Italy.⁴Department of Physics and Astronomy, Catania, 95123, Italy, Catania, *, Italy

Outdoor energy performances for standard and bifacial modules as well on the failure modes observed in outdoor conditions

Alessandra Ottana'^{1, 3}, Francesco Rametta¹, Walter Gangemi², Claudio Colletti¹, Agnese Di Stefano², Andrea Canino², Marina Foti¹, Cosimo Gerardi¹, Fabrizio Bizzarri³. ¹EGP - Enel Green Power, Catania, *, Italy.²EGP - Enel Green Power, Catania, *, Italy.³EGP - Enel Green Power, Roma, *, Italy

Snow Shedding properties of Bifacial PV Panels

Ajay K Singh, Derek Jones. Campbell Scientific Inc, Logan, UT, USA

Mismatch Losses in Simulated Commercial andUtility-scale PV Arrays due to Shortened Strings

Ryan M. Smith¹, Manjunath Matam², Hubert Seigneur². ¹Pordis LLC, Austin, TX, USA.²University of Central Florida, Orlando, FL, USA

An Intelligent Algorithm for Maximum Power Point Tracking in PV Systems through Load Management

Kelvin Tan, Joseph A. Azzolini, William J. Parquette, Christian R. Polo, Meng Tao. Arizona State University, Tempe, AZ, USA