Technical Program

Technical Program Overview

  Sun - Jun 07      Mon - Jun 08      Tue - Jun 09      Wed - Jun 10      Thu - Jun 11      Fri - Jun 12   

THURSDAY, JUNE 11, 2026



8:30 - 9:00 AM
AREA 10

PLENARY
Chair/Organizer: Dazhi Yang, Martin Mayer
Celestin E


8:30


Solar power integration advancesJan Kleissl. University of California, San Diego

9:00 - 9:30 AM

AREA 3

PLENARY
Chair/Organizer: Pilar Espinet Gonzalez, Stephen Polly
Celestin E


9:00


The Overlooked Potential of III-V Tandem Photovoltaics and How To Make It WorkFrank Dimroth. Fraunhofer Institute for Solar Energy Systems ISE

9:30 - 10:00 AM

AREA 8

PLENARY
Chair/Organizer: Archana Sinha, Rebecca Wai
Celestin E

10:00 - 10:30 AM

BREAK

COFFEE BREAK/EXHIBITS
Storyville (Exhibit Hall)

10:30 - 12:00 PM

AREA 1

ADVANCED CONVERSION MECHANISMS AND NOVEL APPLICATIONS OF PV
Chair/Organizer: Anish Chaluvadi, Mathis Van de Voorde
Celestin B


10:30


Controlling Thermal Radiation for Energy Conversion: From Thermophotovoltaics to Thermoradiative DevicesJeremy Munday. University of California, Davis, CA, United States


11:00

H6

Scalable Nanogap Fabrication and Non-Destructive Metrology for Near-Field Thermophotovoltaic DevicesYuting Li, Yeonghoon Jin, Debarati Sen, Titilope Dada, Eric Tervo. University of Wisconsin–Madison, Madison, WI, United States


11:15


Hot carriers in metal halide "perovskite" solar cells?Ian Sellers. University at Buffalo, Buffalo, NY, USA


11:30

H7

Tunable Organic Photovoltaic Module Platform for Photoelectrochemical Fuel ProductionLuke McClintock, Zebulon Schichtl, Reilly Seban, Bryon Larson, Emily Warren. National Laboratory of the Rockies, Golden, CO, United States


11:45


Excess Defects: How Illumination Affects the Thermodynamic Stability of Charged Point DefectsMichael A. Scarpulla, Mike Kirby, Isaac D. Thomas, Jack Halbersleben. University of Utah, Salt Lake City, UT, United States

AREA 3

COST REDUCTION STRATEGIES
Chair/Organizer: Meghan Bush, Phillip Jahelka
Celestin A


10:30

M2

MOVPE Growth and Spalling of III-V solar cells on GaAs(211)Myles A Steiner1, Nicholas Yoo1,2, Sarah Collins1, Theresa Saenz1, Tadeas Hanus1, John Goldsmith1, Anica Neumann1, Jacob Cordell1, Michelle Young1, Shaniah Greene1, Corinne Packard2,3, William McMahon1. 1National Laboratory of the Rockies, Golden, CO, United States2Colorado School of Mines, Golden, CO, United States3University of Southern California , Los Angeles , CA, United States


10:45


Advances in Engineered Ge Substrates for Multijunction Solar Cell ManufacturingAlexandre Chapotot1, Rajiv Sharma1, Priyanka Proost1, Robin Vanuytven1, Aitana Cano2, Rubén Fortín2, Iván García2, Daniel F. Reyes3, Veronica Braza3, Kristof Dessein1, Jinyoun Cho1. 1Umicore Electro-Optic Materials, Olen, Belgium2Instituto de Energía Solar, E.T.S.I Telecomunicación, Universidad Politécnica de Madrid, Madrid, Spain3Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Cadiz, Spain


11:00

L13

Al-Containing Hydride Vapor Phase Epitaxy for Scalable III-V Solar Cell ProductionRyuji Oshima1, Takeshi Nishida1, Akinori Ubukata2, Hiroki Tokunaga2, Takeyoshi Sugaya1. 1National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan2Taiyo Nippon Sanso Corporation, Tsukuba, Japan


11:15


MOVPE Growth of AlxGa1-xAs with Deposition Rates up to 55 μm/h for III-V Multi-Junction Solar CellsChristoph Klein, Robin Lang, Jens Ohlmann, Jonas Schoen, Frank Dimroth, David Lackner. Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany


11:30


Investigating Porous Silicon Buffer Layers as Compliant Layers for Cost-Effective Ge-on-Si Substrates in III-V Solar CellsElla S. Supik1,2, Stefanie Lawundy1,2, Chia-Sheng Liu2, Charlotte Weiss2, Stefan Janz2, Andreas W. Bett1,2. 1University Freiburg, Freiburg, Germany2Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany


11:45


Prototyping and Testing of a Building-Integrated Solar Electric–Thermal Cogeneration SystemSiddharth Padmanabha1, Ying Stock-Bordnick1, Aaron Luo1, Qifei Wang1, Chris Lewis1, Rhegan Barrett1, Gracie Dunaway1, Luke Farnan1, Jason Mueller1, Matthew Graf1, Anna Walker1, Miriam Lerner1, Conor Farnan1, Corey Hart1, Daniel Codd2, Matthew Escarra1. 1Tulane University, New Orleans, LA, United States2University of San Diego, San Diego, CA, United States

AREA 6

PEROVSKITE STABILITY AND COMMERCIALIZATION
Chair/Organizer: Arkita Chakrabarti, Yanqi Luo
Celestin H


10:30

M14

Benchmarking Performance of Wafer-Scale Perovskite/Si Tandems: Methods, Challenges, and RecommendationsTao Song, Jeremy Brewer, John F. Geisz, Idris Davis, Rafell Williams, Nikos Kopidakis. National Laboratory of the Rockies, Golden, CO, United States


10:45


Developing a Stress Testing Protocol for >1 Year of Outdoor Operation for Metal Halide Perovskite PV ModulesMichael Owen-Bellini1, Tianran Liu1, Jackson Schall1, Joshua Parker1, Jimmy Newkirk1, Kent Terwilliger1, Nicholas Irvin1, Dana Kern1, Ingrid Repins1, Timothy J Silverman1, Joseph Berry1, Joshua Stein2, Laura T Schelhas1. 1National Laboratory of the Rockies, Golden, CO, United States2Sandia National Laboratories, Alburquerque, NM, United States


11:00

M6

Understanding the thermomechanical properties of polyolefin encapsulants for reliable perovskite solar module packagingMarco Casareto1, Nick Bosco2, Laura Schelhas2, Michael Owen-Bellini2, Nicholas Rolston1. 1Arizona State University, Tempe, AZ, United States2National Laboratory of the Rockies, Golden, CO, United States


11:15

E13

Probing Strain-induced Ion Migration in 2D Polycrystalline Halide Perovskite Thin Films by In-situ KPFMTanzeela Yousaf1, Jonghon Han2, Jincheol Kim2, Jan Seidel1. 1University of New South Wales, Sydney, Australia, Sydney, Australia2Macquarie University, Sydney, Australia


11:30


Validated optical and electrical modeling for performance evaluation and loss analysis of 2-terminal perovskite-silicon tandem solar cells on industrial scales Dong Zhang, Rohit Prasanna, Tomas Leijtens. Swift Solar, San Carlos, CA, United States


11:45

N1

Toward Accurate Energy Yield Predictions for Perovskite-Based Tandem PhotovoltaicsEmily L Warren, Rajiv Daxini, Robert Witteck, William E. McMahon, Axel F. Palmstrom, Kai Zhu, Laura T. Schelhas, Joseph J. Berry. National Laboratory of the Rockies, Golden, CO, United States

AREA 7

PV PERFORMANCE MODELING AND ANALYSIS
Chair/Organizer: Marios Theristis, Claudia Buerhop-Lutz
Celestin F


10:30


Evaluating Error Propagation Across the Photovoltaic Modeling Pipeline Through Blind ModelingLelia Deville1, Kevin S Anderson2, Juergen Sutterlueti3, Youri Blom4, Mark Campanelli5, Alejandro Gonzalez Carballo6, Gregorio Olivares Casero7, Arijit Chakroborty8, Anton Driesse9, A S M Jahid Hasan`10, William B Hobbs11, Adam Ramsus Jensen12, Sha Li13, Andrei da Cunha Lima15, Ivan Diaz Martinez14, et al.1. 1University of Louisiana at Lafayette, Lafayette, LA, United States2Sandia National Laboratories, Albuquerque, NM, United States3Gantner Instruments, Schruns, Austria4Delft University of Technology, Delft, Netherlands5Intelligent Measurement Systems LLC, Bozeman, MT, United States6EDP Renewables, Madrid, Spain7CENER, Navarra, Spain8Atkins Realis, Bengaluru, India9PV Performance Labs, Freiburg, Germany10North South University, Dhaka, Bangladesh11Southern Company, Birmingham, AL, United States12Technical University of Denmark, Kongens Lyngby, Denmark13Leeward Renewable Energy, Dallas, TX, United States14European Energy A/S, Søborg, Denmark15Universidade Federal de Santa Maria, Santa Maria, Brazil


11:00


A Workflow to Analyze The Impact of Terrain Undulations on Energy Yield for Different Motor Block SizesUmay Akkoseoglu1, Mark Mikofski1, Billy Hayes2. 1DNV Energy Services USA, Oakland, CA, United States2Array Technologies Inc, Albuquerque, NM, United States


11:15


Improved spectral correction for a PV system with CdTe modulesKeith McIntosh1, Solomon Freer1, Malcolm Abbott1, Chris Stelzer2, Andrew Loveall2, Samuel Vielman2. 1PV Lighthouse, Coledale, Australia2Kiewit, Lenexa, KS, United States


11:30


Fitting Inverter Models to PV System DataClifford W Hansen, Kevin S Anderson, Marios Theristis. Sandia National Laboratories, Albuquerque, NM, United States


11:45

N3

Is IEC-61853 testing useful for predicting the energy yield of tandem solar cells?Rajiv Daxini, William E McMahon, Robert Witteck, Emily Warren. National Laboratory of the Rockies, Golden, CO, United States

AREA 11

THE ROLE OF PHOTOVOLTAICS IN THE TRANSITION TO A 100% RENEWABLE ENERGY SUPPLY
Chair/Organizer: Izumi Kaizuka, Jacob Cordell
Celestin C


10:30

G1

Building the Photovoltaics Workforce for Terawatt-Scale DeploymentSilvana Ovaitt, Peter Hacke. National Laboratory of the Rockies, Golden, CO, United States


10:45


Global overview of current political and regulatory initiatives to accelerate the expansion of photovoltaics in regions where grid constraints and market conditions limit further growthArnulf Jaeger-Waldau1, Giovanna Adinolfi2, Ameni Boumaiza3, Jamie M. Bright4, Christof Bucher5, Hubert Fechner6, Sara Freitas7, Giorgio Graditi2, Ricardo Guerrero-Lemus 8, Bert Herteleer9, Vincent Krakowski10, Denis Mede11, Richard Perez12, Daniel Vázquez Pombo13, Angele Reinders14, Niclas Rhein15. 1European Commission, Joint Research Centre, Ispra, Italy2Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Rome, Italy3Qatar Environment and Energy Research Institute, Qatar, Qatar4UK Power Networks Distribution System Operator, London, United Kingdom5Bern University of Applied Science , Bern, Switzerland6Austrian PV Technology Platform, Vienna, Austria7Associação Portuguesa de Energias Renováveis, Lisboa, Portugal8Universidad de La Laguna, San Cristóbal de La Laguna, Spain9Scuola Universitaria Professionale della Svizzera Italiana , Lugano, Switzerland10Hespul, Lyon, France11Fraunhofer IEE, Kassel, Germany12Atmospheric Sciences Research Center, SUNY at Albany, Albany, NY, United States13Electric Power Research Institute , Dublin, Ireland14Eindhoven University of Technology, Eindhoven, Netherlands15Energynautics GmbH, Darmstadt, Germany


11:00


Paradigm shifts for sustainable scalable photovoltaicsLukas Wagner1,2, Ian Marius Peters3, Annick Anctil4, Matthew Davies5,6, Jiska de Groot7, Li Wang8, Henning Helmers9, Robert Pietzcker10, Jan Christoph Goldschmidt1,2. 1Physics of Solar Energy Conversion, Department of Physics, Marburg University, Marburg, Germany2mar.quest Marburg Center for Quantum Materials and Sustainable Technology, Marburg University, Marburg, Germany3Helmholtz Institute Erlangen-Nürnberg for Renewable Energy, Forschungszentrum Jülich, Erlangen, Germany4Department of Civil and Environmental Engineering, Michigan State University , East Lansing, MI, United States5SPECIFIC IKC, Faculty of Science and Engineering, Swansea University, Swansea, United Kingdom6School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa7African Climate and Development Initiative, University of Cape Town, Rondebosch, South Africa8School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, Australia9Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany10Potsdam Institute for Climate Impact Research, Potsdam, Germany


11:30

F16

Improving Utility Visibility of Behind-the-Meter PV and Battery Storage Using Net LoadUpama Nakarmi, Marc Perez, Philip Gruenhagen. Clean Power Research L.L.C., Napa, CA, United States


11:45


EV Charging Infrastructure with Solar Integration: Utility Load Impacts and Planning Implications Sneha Shanmuganathan, Bhavya Sree Boya Nayakula, Justin, Steve Goodnick,Christiana Honsberg Arizona State University, 1151Sneha Shanmuganathan1, Bhavya Sree Boya Nayakula1, Justin 1, Steve Goodnick 1, Christiana Honsberg 1. 1Arizona State University, Tempe, AZ, United States2Arizona State University, Tempe, AZ, United States3Arizona State University, Tempe, AZ, United States4Arizona State University, Tempe, AZ, United States5Arizona State University, Tempe, AZ, United States

12:00 - 1:30 PM

SOCIAL ACTIVITY

WOMEN IN PV LUNCH - SPONSORED IN PART BY NIPPON SANSO AND MICROLINK DEVICES
Celestin E

1:30 - 3:00 PM

AREA 2

CIGS, INTERFACES, AND BUFFERS
Chair/Organizer: Mike Scarpulla, Ryan Muzzio
Celestin B


1:30

K6

Multi-Resonant Light Trapping in Ultrathin Cu(In,Ga)Se2 Solar Cells: From Concept to Design RulesMerve Demir1, Daniel Jimenez1, Bodo Fuhrmann2, Matthias Maiberg1, Marcel Schrader1, Paul Rondt1, Heiko Kempa1, Alexander Sprafke1,2, Roland Scheer1. 1Institute of Physics, Martin Luther University Halle Wittenberg, Halle (Saale), Germany2Interdisciplinary Center of Materials Science, Martin Luther University Halle Wittenberg, Halle (Saale), Germany


2:00

L5

Native Oxide Growth on Polycrystalline Undoped CdSeTe/CdTe Surfaces and Its Impact on Solar Cell PerformanceSushmakanth Myneni, Mayank Mate, Amit Munshi, Walajabad Sampath. Colorado State University, Fort Collins, CO, United States


2:15

K14

Oxide Formation on CdTe and MgxCd1–xTe as a Back Surface Passivation MaterialNoah Kamm1, Xiaoyang Liu2, Zheng Ju2, Xin Qi2, Yong-Hang Zhang2, Anthony Nicholson3, Amit Munshi3, D. Bruce Busshholz4, Arashdeep Thind1, Robert Klie1. 1Department of Physics, University of Illinois in Chicago, Chicago, IL, United States2Department of Electrical Engineering, Arizona State University, Tempe, AZ, United States3Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, United States4Department of Materials Science and Engineering, Northwestern University, Evanston, IL, United States


2:30

A6

Zn-Alloyed SnO2 Buffer Layers for Thin Film CdSeTe/CdTe Solar CellsZeyad Elsayed1, Samuel E. Machin1, Ana Jurado-Estrada1, Luis C. Infante-Ortega1, Mustafa Togay1, Luksa Kujovic1, Sam Davis1, Zhaoxia Zhou1, Stuart Robertson1, Jake W. Bowers1, John M. Walls1, Pascal Jundt2, Bettina Spaeth2, Christian Drost2, Robert Arndt2. 1Centre for Renewable Energy Systems Technology (CREST), Loughborough University, Loughborough, United Kingdom2CTF Solar GmbH, Dresden, Germany


2:45


Sprayed NiOx as a Hole Transport Material in CdSe-Based Solar Cells with Superstrate and Substrate ConfigurationsUjjwal Dhakal, Sabin Neupane, Manoj Jamarkattel, Kiran Lamichhane, Suresh Chaulagain, Sanjeeb Budhathoki, Hamim Sharif, Arun Basnet, Alisha Adhikari, Prabin Dulal, Joel Blodgett, Muhammad Mohsin Saeed, Nikolas Podraza, Randy Ellingson, Michael Heben, Yanfa Yan. University of Toledo, PVIC, Toledo, OH, United States

AREA 5

CHARACTERIZATION OF PHOTOVOLTAIC MATERIALS
Chair/Organizer: Gaia Javier, Andreas Fell
Celestin C


1:30


Nanoscale Visualization of Charge Carrier Transport and Recombination in Perovskite PhotovoltaicsDane W. deQuilettes. Princeton University, Princeton, NJ, United States


2:15


Selenium Diffusion in Uniform CdSexTe1-x Absorbers Using Correlative CL and EBSDSamuel E. Machin1, Kieran M. Curson1, Luksa Kujovic1, John M. Walls1, Stuart Robertson2, Zhaoxia Zhou2, Pascal Jundt3, Bettina Spath3, Christian Drost3, Robert Arndt3. 1Centre for Renewable Energy Systems Technology (CREST), Loughborough, Leicester, United Kingdom2Loughborough Materials Characterisation Centre (LMCCC), Loughborough, Leicester, United Kingdom3CTF Solar GmbH, Dresden, Germany


2:30

B2

High Spatial Resolution Mapping of Urbach Energy in Photovoltaic DevicesJacques D Kenyon, Kieran M Curson, Xiaolei Liu, Aoshi Yang, Luksa Kujovic, Stuart Robertson, Zhaoxia Zhou, Jake W Bowers, John M Walls. Loughborough University, Loughborough, United Kingdom


2:45


New Methods for Interpreting Surface Photovoltage Spectra for Contactless Device CharacterizationNathan Rock1, Michael Scarpulla1,2. 1University of Utah Dept. of Materials Science and Engineering, Salt Lake City, UT, United States2University of Utah Dept. of Electrical and Computing Engineering, Salt Lake City, UT, United States

AREA 8

FRACTURE AND CRACKS IN PHOTOVOLTAIC MODULES
Chair/Organizer: Dennice Roberts, Archana Sinha
Celestin A


1:30


Reducing glass breakage risk in PV systemsTimothy J Silverman2, Elizabeth C Palmiotti1, Michael G Deceglie1, E Ashley Gaulding1. 1National Laboratory of the Rockies, Golden, CO, United States2Photovoltaic Materials and Devices Group, Delft University of Technology, Delft, Netherlands


2:00


A novel optimized hail testing approach for accurate evaluation of PV module durabilityYuanjie Yu1, Zhichao Song1, Philippe Gregoire2, ruirui Lv1, Tao Xu1. 1No. 199 Lushan Road, Suzhou New District, Suzhou, China24273 King St. East, Suite 102, Kitchener, ON, Canada


2:15


Using Fractography to Trace Cracks in PV Modules to the OriginE. Ashley Gaulding1, Elizabeth C. Palmiotti1, Timothy J Silverman1, William B. Hobbs2, Michael G. Deceglie1. 1National Laboratory of the Rockies, Golden, CO, United States2Southern Company, Birmingham, AL, United States


2:30


Investigation of backsheet cracking in triple-layered photovoltaic backsheet inner layersStefan Mitterhofer1, Zelin Li1, Song Syun Jhang1, Yu Wen Ho1, Ashlee R. Aiello2, Karissa L. Jensen2, Xiaohong Gu2, Michael D. Kempe3, William B. Hobbs4, Liang Ji5. 1Associate, National Institute of Standards and Technology, Gaithersburg, MD, United States2National Institute of Standards and Technology, Gaithersburg, MD, United States3National Laboratory of the Rockies, Golden, CO, United States4Southern Company, Birmingham, AL, United States5UL Solutions (retired), Northbrook, IL, United States


2:45

J13

pvcracks: python repository for electroluminescence image processing, current-voltage curve fitting and power loss estimationNorman Jost1, Brandon K. Byford1, Rodrigo d. Prado Santamaria2, Clifford W. Hansen1, Jennifer L. Braid1. 1Sandia National Laboratories, Albuquerque, NM, United States2Technical University of Denmark, Roskilde, Denmark

AREA 9

POWER ELECTRONICS AND GRID INTEGRATION 2
Chair/Organizer: Jhoan Montenegro, Desjardins-Couture, Eugen
Celestin F


1:30


MPC-Based Control of Hybrid Battery–Supercapacitor Systems in DC Microgrids Using a Bidirectional SEPIC/Zeta ConverterJhoan A. Montenegro-Oviedo1, Jesus D. Vasquez-Plaza2, Carlos A. Ramos-Paja3, Fabio Andrade1. 1University of Puerto Rico, Mayaguez, PR, United States2Oak Ridge National Laboratory, Oak Ridge, TN, United States3Universidad Nacional de Colombia, Medellín, Columbia


1:45

E14

Voltage-Guided MPPT Curtailment for Active DC-Link Protection of Grid-Forming Inverters During FaultArnab Acharya, Raja Ayyanar. Arizona State University, Tempe, AZ, United States


2:00

F4

Testing Commercial Non-Export DER Controllers for Low-Voltage Spot Network InterconnectionsNicholas S. Gurule1, Matthew J. Reno1, Joseph A. Azzolini1, Santiago Sena2, Chelsea Collette2, Ali Bidram3. 1Sandia National Laboratories, Albuquerque, NM, United States2Public Service Company of New Mexico, Albuquerque, NM, United States3University of New Mexico, Albuquerque, NM, United States


2:15


Effect of PV Inverter Aggregation on Sandia Frequency Shift Anti-Islanding in Systems with Induction Motor LoadsJorge A. Leon-Quiroga, Rachid Darbali-Zamora, Michael Ropp. Sandia National Laboratories, Albuquerque, NM, United States


2:30


Stabilization of Chaotic Dynamics in Current-Mode DC–DC Boost Converters via Simscape-Based Delayed Feedback ControlAmmar Nimer Natsheh1, Sohad Abu-Elzait2, Bereket Kebede Bedada1, Yassine Benachour1. 1Higher Colleges of Technology, Dubai Academic City, Dubai, United Arab Emirates2Appalachian State University, Boone, NC, United States

AREA 10

SOLAR RESOURCING
Chair/Organizer: Martin Mayer
Celestin H


1:30

C9

Evaluating snow loss methods – Soiling kit measurements vs models using gridded input dataJosh Peterson, Alex Bryan, Julie Chard. GroundWork Renewables Inc, Sand City, CA, United States


1:45


High-resolution ESM projections for energy applications over the CONUSJaemo Yang, Manajit Sengupta, Yu Xie, Aron Habte. National Laboratory of the Rockies, Golden, CO, United States


2:00


On the Importance of Parallax Effects in Satellite to Irradiance ModelingRichard Perez1,2, Marc Perez1, Andrew Foster1, Jing Huang1, Maina André3, Raphël Cécé3. 1Clean Power Research, Bellevue, WA, United States2SUNY Albany, Albany, NY, United States3Université des Antilles, Pointe-à-Pitre, Guadeloupe


2:15


Enhancing the Accuracy and Coverage of the National Solar Radiation Data BaseManait Sengupta1, Yu Xie1, Aron Habte1, Brandon Benton1, Paul Edwards1, Jaemo Yang1, Mike Foster2, Andrew Heidinger3, Paul Stackhouse4. 1National Lab of the Rockies, Golden, CO, United States2University of Wisconsin, Madison, WI, United States3NOAA, Madison, WI, United States4NASA, Hampton, VA, United States


2:30


Integration of GOES data for solar resource assessment of the Contiguous United StatesYu Xie1, Manajit Sengupta1, Brandon Benton1, Aron Habte1, Jaemo Yang1, Michael Foster2. 1National Laboratory of the Rockies, Golden, CO, United States2University of Wisconsin-Madison, Madison, WI, United States


2:45


Exploring Uncertainty in Solar Measurements: Insights from NLR's SUNI Application at 89 StationsAron Habte1, Manajit Sengupta1, Sora Ryu1, Stephen Wilcox2, Thomas Stoffel2. 1National Laboratory of the Rockies, Golden, CO, United States2Solar Resource Solutions LLC, Louisville, CO, United States

3:00 - 3:30 PM

BREAK

COFFEE BREAK/EXHIBITS
Storyville (Exhibit Hall)

3:30 - 5:00 PM

AREA 2

POSTERS
Chair/Organizer: Ed Sartor, Jim Sites, Kevin Dobson
Poster Section 1


K4


Screening Organic Hole Transport Layer for Solution-Processed Antimony Sulfoselenide Solar CellsAlisha Adhikari, Joel Blodgett, Abudulai Rabiu, Sanjeeb Budhathoki, Ujjwal Dhakal, Sabin Neupane, Manoj Jamarkattel, Nadeesha Katakumbura, Vijay Karade, Arun Basnet, Kiran Lamichhane, Michael Heben, Randy Ellingson, Zhaoning Song, Yanfa Yan. Wright Center for Photovoltaic Innovation and Commercialization, Department of Physics and Astronomy, Toledo, OH, United States


K5


Decoupling Process Variables in 3-Stage CIGS : Phase and Composition Changes under Time/Pressure/TemperatureJu Chan Choi, Jin Ho Yang, Jae Ho Yun. Korea Institute of Energy Technology (KENTECH), NaJu-si, South Korea


K6


Multi-Resonant Light Trapping in Ultrathin Cu(In,Ga)Se2 Solar Cells: From Concept to Design RulesMerve Demir1, Daniel Jimenez1, Bodo Fuhrmann2, Matthias Maiberg1, Marcel Schrader1, Paul Rondt1, Heiko Kempa1, Alexander Sprafke1,2, Roland Scheer1. 1Institute of Physics, Martin Luther University Halle Wittenberg, Halle (Saale), Germany2Interdisciplinary Center of Materials Science, Martin Luther University Halle Wittenberg, Halle (Saale), Germany


K7


Progress in Chloride-Based Treatments of CdZnTe Solar CellsPradipta Roy Dip1,2, Kevin D. Dobson1, Brian E. McCandless1, William N. Shafarman1,2. 1Institute of Energy Conversion, University of Delaware , Newark, DE, United States2Department of Materials Science and Engineering, University of Delaware, Newark, DE, United States


K8


Residual Strain in Cadmium Telluride Thin Films Kevin D. Dobson, Arivazhagan Valluvar Oli, Brian E. McCandless, William N. Shafarman. Institute of Energy Conversion, University of Delaware, Newark, DE, United States


K9


Pre-deposition Substrate Cleaning and Plasma Surface Treatment Effects on CdSeTe/CdTeRobert D. Ellis, Zeyad Elsayed, Luke Jones, Samuel E. Machin, Adam Law, Jacques D Kenyon, Mustafa Togay, John M. Walls, Jake W. Bowers. Loughborough University, Loughborough , United Kingdom


K10


The Role of Surface Recombination Velocity on the Efficiency of CdS/CdTe Thin Film Solar CellHamid Fardi. University of Colorado Denver, Denver, CO, United States


K11


Optimizing Monolithic (Ag,Cu)(In,Ga)Se2/Si Tandem Solar Cells via Bandgap Engineering and Bifacial OperationJulia Horstmann1, Tobias Gut1, Matthias Maiberg1, Mario Hanser2, Jana-Isabelle Polzin2, Martin Hermle2, Roland Scheer1. 1Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany2Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany


K12


Eutectic Halide Salt Engineering for Arsenic Doped CdTeZulkifl Hussain, Adam B. Phillips, Kara B. Kile, Aparajita Dixit, Ali Abdel-Rahman Qatishat, Shawn M. Wolffersdorff, Ebin Bastola, Randy J. Ellingson, Michael J. Heben. The University of Toledo, Toledo, OH, United States


K13


Developing a Phosphorus source for Doping of CdTeShahrin Iqbal1,2, Kevin Dobson1, Brian McCandless1, William Shafarman1,2. 1Institute of Energy Conversion, University of Delaware, Newark, DE, United States2Department. of Materials Science and Engineering, University of Delaware, Newark, DE, United States


K14


Oxide Formation on CdTe and MgxCd1–xTe as a Back Surface Passivation MaterialNoah Kamm1, Xiaoyang Liu2, Zheng Ju2, Xin Qi2, Yong-Hang Zhang2, Anthony Nicholson3, Amit Munshi3, D. Bruce Busshholz4, Arashdeep Thind1, Robert Klie1. 1Department of Physics, University of Illinois in Chicago, Chicago, IL, United States2Department of Electrical Engineering, Arizona State University, Tempe, AZ, United States3Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, United States4Department of Materials Science and Engineering, Northwestern University, Evanston, IL, United States


K15


High Voltage CdSe Solar Cells with Optimized p-interfacesPurnendu Kartikay, Payton Bills, Vikram Dalal. Iowa State University, Ames, IA, United States


K16


First-Principles Study of Arsenic Activation and Selenium Redistribution in CdSeTe/CdTe Solar CellsBoney Mahesh1, Ali Abbas1, Pooja Goddard2, Roger Smith2, Michael Walls1. 1Centre for Renewable Energy Systems Technology (CREST), Wolfson School of Mechanical, Electrical an, Loughborough, United Kingdom2Department of Chemistry, Loughborough University, Loughborough, United Kingdom


L1


The Ambiguity of Capacitance Derived Carrier Density and a Theoretical Revision of the Depletion ApproximationMayank Mate, Amit Munshi. Colorado State University, Fort Collins, CO, United States


L2


Single Crystal Growth of Arsenic Doped and Phosphorus Doped Cadmium Selenium Telluride (CdSexTe1-x) to Improve CdTe Thin Film PhotovoltaicsBenjamin Montag1, Darius Kuciauskas2, Cody Rietcheck1, Echo Larson1. 1Radiation Detection Technologies, Manhattan, KS, United States2National Laboratory of the Rockies, Golden, CO, United States


L3


Commercial Production of the Group-V Doped Polycrystalline CdTe Source Material for the Next-Generation PhotovoltaicsBenjamin Montag1, Amit Munshi2, Mayank Mate2, Magesh Murugesan3, Jing Shang3, John McCloy3, Matthew Reese4, Eric Colegrove4, Hongling Lott4, Robert Morrissey4, Joshua Brown4, Ed Sartor4, Andrea Mathew4, Cody Riecheck1. 1Radiation Detection Technologies, Inc, Manhattan, KS, United States2Colorado State University, Ft. Collins, CO, United States3Washington State University, Pullman, WA, United States4National Laboratory of the Rockies, Golden, CO, United States


L4


Role of Se composition and CdCl2 Treatment on Intrinsic Donor Defects in Polycrystalline CdTe-based PV DevicesSushmakanth Myneni, Daniel Shaw, Walajabad Sampath. Colorado State University, Fort Collins, CO, United States


L5


Native Oxide Growth on Polycrystalline Undoped CdSeTe/CdTe Surfaces and Its Impact on Solar Cell PerformanceSushmakanth Myneni, Mayank Mate, Amit Munshi, Walajabad Sampath. Colorado State University, Fort Collins, CO, United States


L6


Influence of Cooling Processes on All-sputtered Sub-micrometer Cu(In,Ga)(S,Se)2 Flexible Solar CellsAntónio J. N. Oliveira1, João B. Vilão1,2, André F. Violas1, Ana R. Pires1, Bárbara L. Sieira1,2,3, Xavier L. Pinheiro1,2,4, Ricardo M. Silva1, Inês Morais2, Pedro Patrício2, Jennifer P. Teixeira1, Joaquim P. Leitão2,3, Paulo A. Fernandes1,5, Pedro M. P. Salomé1,2. 1International Iberian Nanotechnology Laboratory, Braga, Portugal2Departamento de Física da Universidade de Aveiro, Aveiro, Portugal3i3N, University of Aveiro, Aveiro, Portugal4CICECO, Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal5CIETI, Departamento de Física, Instituto Superior de Engenharia do Porto, Porto, Portugal


L7


Cadmium Telluride Photovoltaic Module Safety: Toxicological Evidence for Residential and End-User DeploymentAniruddha Savargaonkar1, Amit H. Munshi2,3. 1Colorado State University, School of Biomedical and Chemical Engineering, Fort Collins, CO, United States2Colorado State University, Department of Mechanical Engineering , Fort Collins, CO, United States3JPHB Solutions LLC, Loveland , CO, United States

AREA 3

POSTERS
Chair/Organizer: Izak Baranowski, Mike Scarpulla, Anastasia Soeriyadi
Poster Section 2


L8


Technology Assessment and modelling of Three Terminal Tandem Solar Cells for in-space UtilizationAlexis J Arroyo1, Jeremiah D Sims1. 1NASA Glenn Research Center, Cleveland, OH, United States2NASA Glenn Research Center, Cleveland, OH, United States


L9


Metamorphic 1 eV InGaAs/InP superlattice solar cellsAdrian Birge, Yiteng Wang, R. Corey White, Sarah Su-O Youn, Chi Jiang, Bora Kim, Devon O. Lee, Minjoo Larry Lee. University of Illinois Urbana-Champaign, Urbana, IL, United States


L10


High Temperature Characterization of Emitters for ThermophotovoltaicsTitilope M. Dada, Eric J. Tervo. University of Wisconsin-Madison, Madison, WI, United States


L11


Rollable flexible thin silicon heterojunction (SHJ) solar cells for space applicationsZhengxin Liu1,2, Wenzhu Liu1,2, Fanying Meng1, Liping Zhang1, Wenjie Zhao1, Qiang Shi1, Jianhua Shi1,2, Anjun Han1,2, Junlin Du1,2. 1Shanghai Institute of Microsystem and Information Technology (SIMIT) Chinese Academy of Sciences, Shanghai, China26T Solar Co., Ltd., Shanghai, China


L12


Ultra-Thin InGaP Arrays Embedded in Solar Sails for Power Generation and PropulsionRobert F. McCarthy1, Ryan Grady1, David Rowell1, Tyler Gish1, Anastasia Soeriyadi1, Andree Wibowo1, Joseph Footdale2, Roger Welser3, David Wilt4, Noren Pan1. 1MicroLink Devices, Inc., Niles, IL, United States2Redwire Space, Longmont, CO, United States3Consultant, Providence, RI, United States4Consultant, Albuquerque, NM, United States


L13


Al-Containing Hydride Vapor Phase Epitaxy for Scalable III-V Solar Cell ProductionRyuji Oshima1, Takeshi Nishida1, Akinori Ubukata2, Hiroki Tokunaga2, Takeyoshi Sugaya1. 1National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan2Taiyo Nippon Sanso Corporation, Tsukuba, Japan


L14


Temperature and Radiation Response of Quantum Well Enhanced Tandem Solar CellsElijah Sacchitella1, Brandon Durant2, Vincent Whiteside2, Steve Polly1, Ian Sellers2, Seth Hubbard1, Alec Jackson3. 1Rochester Institute of Technology, Rochester, NY, United States2University at Buffalo, Buffalo, NY, United States3Air Force Research Lab, Albuquerque, NM, United States


L15


New Cost-Effective Nano-Structuring Technique for Light Management in III-V Thin-Film PhotovoltaicsAlessandra Selis1, Jenny Norberg1,2, Nicolas Alt1,2, Andrea Cattoni3, Oliver Hoehn1,2. 1Fraunhofer ISE, Freiburg, Germany2University of Freiburg, Freiburg, Germany3University of Freiburg, Freiburg, Germany4Politecnico di Milano, Milan, Italy5University of Freiburg, Freiburg, Germany


L16


Annealing Mechanisms in Proton-irradiated, Ultra-thin InP Epitaxial Solar CellsJames H. Shin, Toluwalase Agoro, Venkata S. A. Chaluvadi, Louise C. Hirst. University of Cambridge, Cambridge, United Kingdom


M1


Using Spectroscopic Ellipsometry to Probe for Proton Induced Radiation Damage in Perovskite Solar CellsJulia Spaziani1, Buh Kum Tatchen1, Bekele Teklemariam1, Bibhudutta Rout2, Stephen Polly1, Ahmad Kirmani1, Seth Hubbard1. 1Rochester Institute of Technology, Rochester, NY, United States2University of North Texas, Denton, TX, United States


M2


MOVPE Growth and Spalling of III-V solar cells on GaAs(211)Myles A Steiner1, Nicholas Yoo1,2, Sarah Collins1, Theresa Saenz1, Tadeas Hanus1, John Goldsmith1, Anica Neumann1, Jacob Cordell1, Michelle Young1, Shaniah Greene1, Corinne Packard2,3, William McMahon1. 1National Laboratory of the Rockies, Golden, CO, United States2Colorado School of Mines, Golden, CO, United States3University of Southern California , Los Angeles , CA, United States


M3


GRAPHENE/INP SCHOTTKY PHOTOVOLTAICS WITH QUANTUM-DOT INTERMEDIATE-BAND ENHANCEMENT FOR LUNAR AM0 OPERATION UNDER COUPLED TEMPERATURE–FLUENCE STRESSArgyrios Varonides. University of Scranton, Scranton, PA, United States


M4


Analysis of Next Generation Solar Cells for Space UseMasafumi Yamaguchi1, Mitsuru Imaizumi2, Yoshio Ohshita1. 1Toyota Technological Institute , Nagoya, Japan2Sanjo University, Sanjo, Japan


M5


Exploring Parameters Affecting the Etch Rate of Sacrificial Layer in Inverted Metamorphic Multijunction Solar CellsBernice Mae Yu Jeco-Espaldon, Yusuke Oteki, Yoshitaka Okada. The University of Tokyo, Meguro-ku, Japan

AREA 6

POSTERS
Chair/Organizer: Jeffrey Christians, Saivineeth Penukula, Monika Kataria
Poster Section 3


M6


Understanding the thermomechanical properties of polyolefin encapsulants for reliable perovskite solar module packagingMarco Casareto1, Nick Bosco2, Laura Schelhas2, Michael Owen-Bellini2, Nicholas Rolston1. 1Arizona State University, Tempe, AZ, United States2National Laboratory of the Rockies, Golden, CO, United States


M7


Controlled crystal reorientationin Cs3Bi2I9 films using solvent and nanoparticle engineeringAnkit Choudhary, Haralabos Efstathiadis. University at Albany, State university of New York, Albany, NY, United States


M8


Band-Offset Maps and Defect Tolerance in Bromide-Rich High-Bandgap Perovskite Solar CellsAntonio Fronteddu, Federica Cappelluti. Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy


M9


How Moisture and Oxygen Influence Antisolvent-Free Perovskite Crystallization PathwaysMaimur Hossain1, Connor J. Dolan1, Eric Oberholtz1, Darya Kamiyama1, Jack R. Palmer1, Paulo E. Marchezi1, Tim Kodalle2, Carolin Sutter-Fella 2, David P. Fenning1. 1University of California San Diego, San Diego, CA, United States2Lawrence Berkeley National Laboratory, Berkeley, CA, United States


M10


Improved Mechanical Robustness and Durability Enabled by Textured Wafers and Interlayers in Perovskite-Silicon Tandem Solar CellsMuzhi Li1, Mathilde Fievez2, Zhengshan Yu2, Nicholas Rolston1. 1Materials Science and Engineering, Fulton Schools of Engineering, Arizona State University, Tempe, AZ, United States2Beyond Silicon, Tempe, AZ, United States


M11


Optimization of PDINN as a Cathode Interlayer for Organic Solar CellsMuhammad Salik Qureshi , Amman Choughle, Ammar Nayfeh. Khalifa University, Abu Dhabi , United Arab Emirates


M12


The 4T Factory: Integrating Factory Planning, CoO, and LCOE Dynamics for Perovskite-Silicon CommercializationJulian Reichle1, Markus Beck1, Mehul Raval1, Siddhartha Garud2, Wolfgang Jooß1, Rutger Schlatmann2, Peter Fath1. 1RCT Solutions GmbH, Konstanz, Germany2Helmholz-Zentrum Berlin, Berlin, Germany


M13


First-Principles Analysis of Iodine Migration and Electronic Degradation in MAPbI₃Andre Slonopas1, Matthew Limpert2, Nam Le1, James Spicer1. 1Johns Hopkins University, Baltimore, MD, United States22Army Training and Transformation Command, Aberdeen Proving Grounds, MD, United States


M14


Benchmarking Performance of Wafer-Scale Perovskite/Si Tandems: Methods, Challenges, and RecommendationsTao Song, Jeremy Brewer, John F. Geisz, Idris Davis, Rafell Williams, Nikos Kopidakis. National Laboratory of the Rockies, Golden, CO, United States


M15


The Ideal Quench? Gas-Quenching Timing and Wet Film Evolution in Slot-Die Coated PerovskitesAlexander Tarasov1, Lennart Reb1, Nasim Rezaei-Hartmann2, Adrian Adrian2, Anton Dzong1, Enno Malguth2, Claudine Groß2, Madeleine Justianto2, Florian Mathies1, Eva Unger1, Christian Camus2. 1Helmholtz-Centre Berlin for Materials and Energy GmbH, Berlin, Germany2LayTec AG, Berlin, Germany


M16


Field durability tests of perovskite solar cells loaded with fixed resistorsTakeshi Tayagaki, Sayaka Hirooka, Kohei Yamamoto, Takurou N. Murakami, Masahiro Yoshita. National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan


N1


Toward Accurate Energy Yield Predictions for Perovskite-Based Tandem PhotovoltaicsEmily L Warren, Rajiv Daxini, Robert Witteck, William E. McMahon, Axel F. Palmstrom, Kai Zhu, Laura T. Schelhas, Joseph J. Berry. National Laboratory of the Rockies, Golden, CO, United States

AREA 7

POSTERS
Chair/Organizer: Cliff Hansen, Nikola Hrelja
Poster Section 4


N2


An Abrasion-Resistant Anti-soiling and Anti-reflective Coating for Solar Cover GlassMadupa Abeywardena1,2, Carmen Wang1,2, QianFeng Xu3, Alan Lyons1,2,3. 1City University of New York Graduate Center, New York, NY, United States2College of Staten Island, CUNY, Staten Island, NY, United States3ARL Designs LLC, Summit, NJ, United States


N4


Shingled Module Integration of Monolithic Two‑Terminal III-V//Si Tandem Solar Cells Exceeding 30 % Module EfficiencyJonas D. De Rose, Leonhard Böck, Tadeo Schweigstill, Jan Benick, Ralph Müller, Malte Klitzke, David Lackner, Torsten Rößler, Gerald Siefer, Holger Neuhaus, Florian Clement, Oliver Höhn, Frank Dimroth. Fraunhofer ISE, Freiburg, Germany


N5


Matrix-based Formulism for Fast and Flexible PV System SimulationsChristiana Honsberg1, Stuart Bowden2, Justin Faris1, Michael Goryll1, Stephen Goodnick1. 1Arizona State University, Tempe, AZ, United States2Solestial Solar, Tempe, AZ, United States


N6


Comparative Evaluation of Monofacial and Bifacial Half-cut Crystalline Silicon based PV Systems under Partial ShadingKhadijah khan1, Hayder Ali2, Hassan A Khan1. 1Dept. Of Electrical Engineering, LUMS, Lahore, Pakistan2King Fahd University of Petroleum and Minerals (KFUPM, Dhahran, Saudi Arabia


N7


Performance Evaluation of a 236 kWp Bifacial Rooftop PV SystemMuhammad Khizer, Khadijah Khan, Hassan A Khan. Dept. Of Electrical Engineering, LUMS, Lahore, Pakistan


N8


Design, Implementation, and Outdoor Performance of a GaN-Based Boost MPPT Converter Interfaced with a Bifacial PV ModuleAlex Musetti1, Michel Piliougine2, Payam Rajabi Kalvani3, Salvatore Antonino Lombardo2, Luca Selmi3, Pierpaolo Palestri3, Giovanna Sozzi1, Alessandro Soldati1. 1Università di Parma, Dip. di Ingegneria e Architettura,, Parma, Italy2Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, Catania, Italy3Università degli Studi di Modena e Reggio Emilia, Dip. di Ingegneria Enzo Ferrari, Modena, Italy


N9


Insights into the material properties of EPE encapsulants for PV applicationNikolina Pervan1,2, Gabriele C. Eder3, Yuliya Voronko3, Gernot Oreski1,2. 1Polymer Competence Center Leoben GmbH , Leoben, Austria2Chair of Materials Science and Testing of Polymers, Montanuniversität Leoben, Leoben, Austria3Österreichisches Forschungsinstitut für Chemie und Technik (OFI), Vienna, Austria


N10


Modeling Differences Between Fixed-Tilt Grount-Mounted and Project Nexus Solar Canal DesignsJeremiah Reagan, Olaniyan Rocker, Brandi McKuin. UC Merced, Merced, CA, United States


N11


Tracker anomaly detection in PV fleet data via interpretable machine learningCorentin Servouze1, Bennet Meyers2, Matthew Muller2. 1Stanford University, Stanford, CA, United States2NREL, Golden, CA, United States


N12


Overcoming Photovoltaic Systems Performance Through Non-Concentrating Two-Axis TrackingSneha Shanmuganathan1, Bhavya Sree Boya Nayakula1, Justin 1, Stuart Bowden 1, Christiana Honsberg 1. 1Arizona State University, Tempe, AZ, United States2Arizona State University, Tempe, AZ, United States3Arizona State University, Tempe, AZ, United States4Arizona State University, Tempe, AZ, United States5Arizona State University, Tempe, AZ, United States


N13


Approaches to Optimizing Photovoltaic Energy Harvesting in Various EnvironmentsMin Ju Yun1, Yeon Hyang Sim1, Luthfan Fauzan1,2, Hyekyoung Choi1, Dong Yoon Lee1, Seung I. Cha1,2. 1Korea Electrotechnology Research Institute , Changwon, South Korea2University of Science and Technology, Changwon, South Korea


11:45

N3

Is IEC-61853 testing useful for predicting the energy yield of tandem solar cells?Rajiv Daxini, William E McMahon, Robert Witteck, Emily Warren. National Laboratory of the Rockies, Golden, CO, United States

5:00 - 6:30 PM

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