TECHNICAL PROGRAM



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


Wednesday, June 10th

8:30 - 9:00 AM
LIVE EVENT - AREA 7: PLENARY
Chair/Organizer: Chiara Barretta, Marios Theristis
Celestin E

8:30
Yield forecasting conundrums
Keith McIntosh. PV Lighthouse
9:00 - 9:30 AM
LIVE EVENT - AREA 4: PLENARY
Chair/Organizer: Ujjwal Das, Eve Krassowski
Celestin E

9:00
Building the Future U.S. PV Manufacturing
Danielle Merfeld. Hanwha Qcells, Cartersville, GA 30121
9:30 - 10:00 AM
LIVE EVENT - AREA 5: PLENARY
Chair/Organizer: Andre Augusto, Ziv Hameiri
Celestin E

9:30
The Critical Role of Recombination Characterization in High-Efficiency Silicon Technologies
Ronald Sinton. Sinton Instruments
10:00 - 10:30 AM
BREAK: COFFEE BREAK/EXHIBITS
Storyville (Exhibit Hall)
10:30 - 12:00 PM
LIVE EVENT - AREA 2: CDSE AND CDTE DEFECTS AND DOPING
Chair/Organizer: Marco Nardone, Darius Kuciauskas
Celestin B

10:30
Defect Emission in CdCl2-treated CdSe Thin Films
Abasi Abudulimu1, Xiaoming Wang1, Tyler Brau1, Jaroslav KuliA2, Scott L. Wenner1, Adam B. Phillips1, Ebin Bastola1, Manoj K. Jamarkattel1, Vijay C. Karade1, Kiran Lamichhane1, Aparajita Dixit1, Bohuslav Rezek2, Yanfa Yan1, Michael J. Heben1, Randy J. Ellingson1. 1Wright Center for Photovoltaics Innovation and Commercialization (PVIC), Department of Physics and A, Toledo, OH, USA.2Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, CT, Czech Republic

10:45
Investigating the effects of processing conditions on carrier dynamics in single crystal CdTe:As grown by molecular beam epitaxy
Alex J. Ashley1, Hongling Lott2, Andrea T. Mathew2, Eric Colegrove2, Matthew O. Reese2, Jason B. Baxter1. 1Drexel University, Philadelphia, PA, USA.2National Laboratory of the Rockies, Golden, CO, USA

11:00
Separation of Light and Bias Modification to CdTe Solar Cells
Megh N. Khanal, Priya S. Suryavanshi, Katherine Zaunbrecher, Lilly Quintana-Barrera, James Sites. Department of Physics, Colorado State University, Fort Collins, CO, USA

11:15
Nanoscale Investigation of Defects in CdCl2 Treated CdSe Thin Films
Xiaolei Liu, Zhaoxia Zhou, Jacques Kenyon, Rob Ellis, Kerrie Morris, Zeyad Elsayed, Sam Machin, Kieran Curson, Jake Bowers, Michael Walls. Loughborough University, Loughborough, United Kingdom

11:30
CdTe Solar Cells with In Situ Phosphorous Doping
Luis C. Infante-Ortega, Kara B. Kile, Kiran Lamichhane, Ebin Bastola, Prabodika N. Kaluarachchi, Zulkifl Hussain, Manoj K. Jamarkattel, Thomas Fiducia, Abasi Abudulimu, Ambalanath Shan, Sabin Neupane, Yanfa Yan, Nikolas Podraza, Randy J. Ellingson, Michael J. Heben, Adam B. Phillips. University of Toledo, Toledo, OH, USA

11:45
20.7% Efficient CdSeTe thin-film solar cells by ex-situ bismuth (Bi) doping
Sabin Neupane1, Deng-Bing Li1, Manoj Jamrkattel1, Nicholas Miller2, Kiran Lamichhane1, Sanjeeb Budhathoki1, Alisha Adhikari1, Ujjwal Dhakal1, Hamim Sharif1, Ebin Bastola1, Adam Phillips1, Feng Yan3, James Becker2, Randy Ellingson1, Michael Heben1, Yanfa Yan1. 1University of Toledo, PVIC, TOLEDO, OH, USA.2First Solar Inc, Perrysburg, OH, USA.3Arizona State University, Tempe, AZ, USA
LIVE EVENT - AREA 4: NOVEL METALLIZATION, AND HIGH EFFICIENCY CONTACTS
Chair/Organizer: Eve Krassowski, Nikos Kopidakis
Celestin A

10:30
Revolutionary copper metallization technology for terawatt PV industry
Tian He, Peng Li Li, Xin Dong, Haoran Qiu, Jun Duan, Yunpeng Li, Hua Wu, Xiaoning Ru, Lan Chen, Junxiong Lu, Xixiang Xu, Zhenguo Li, Liang Fang FangBo He. Central RaD Institute, LONGi Green Energy Technology Co., Ltd., Xia, China

11:00
Best Student Presentation Award Finalist - Characterization and Modeling of 24.3% Copper Contacted n-TOPCon Solar Cell with Screen Printable Copper Pastes
Ruohan Zhong1, Vijaykumar Upadhyaya1, Venkata Sai Aditya Mulkaluri1, Sagnik Dasgupta1, Wook-Jin Choi1, Young Woo Ok1, Kevin Elmer2, Ruvini Dharmadasa2, Erin Yenney2, Apolo Nambo2, Thad Druffel2, Ajeet Rohatgi1. 1Georgia Institute of Technology, ATLANTA, GA, USA.2Bert Thin Films Inc, Louisville, KY, USA

11:15
Best Student Presentation Award Finalist - Critical look at the atmospheric Cu fire-through dielectric metallization for cost-effective and high efficiency silicon solar cells
Donald Intal1, Sandra Huneycutt1, Abasifreke Ebong1, Ajeet Rohatgi2, Vijay Upadhyaya2, Sagnik Dasgupta2, Ruohan Zhong2, Thad Druffel3, Ruvini Dharmadasa3. 1University of North Carolina at Charlotte, Charlotte, NC, USA.2Georgia Institute of Technology, Atlanta, GA, USA.3Bert Thin Films LLC, Louisville, KY, USA

11:30
Best Student Presentation Award Finalist - Microscopic Analysis of LECO-induced Modification of Ag-Polysilicon Contact Interface in Double-Side TOPCon Solar Cells
Wook-Jin Choi, Young-Woo Ok, Kwan Hong Min, Sagnik Dasgupta, Ruohan Zhong, Ajeet Rohatgi. Georgia Institute of Technology, Atlanta, GA, USA

11:45
Femtosecond UV-Laser Contact Opening for LECO Metallization in TOPCon Solar Cells
Thien Truong, William Nemeth, Steve Johnston, Jacob Slifka, David Young, Paul Stradins. National Laboratory of the Rockies, Golden, CO, USA
LIVE EVENT - AREA 5: CHARACTERIZATION INSTRUMENTS AND TECHNIQUES
Chair/Organizer: Jonhson Wong, Dana Kern
Celestin C

10:30
A contactless approach for tandem solar cell performance diagnostics
Shuai Nie1, Yan Zhu1Arthur Julien1, Felix Gayot1, Zubair Abdullah-Vetter1, JoAll Wyttenbach2, Carine Roux2, Ziv Hameiri1. 1University of New South Wales, Sydney, Australia.2CEA INES, Le Bourget du Lac, France

11:00
Experimental Methods for Perovskite Mini-module Analysis
Claudia Buerhop-Lutz1, Ones ghaffari1, Shudi Qiu2, Michael Wagner1, Oleksandr Stroyuk1, Ian Marius Peters1. 1Forschungszentrum Juelich GmbH, HI ERN, Erlangen, Germany.2Friedrich-Alexander-UniversitAct Erlangen-NA¼rnberg, Faculty of Engineering, Department of Materials, Erlangen, Germany

11:30
Photoluminescence imaging of luminescent down-shifting layers in silicon solar cells
Anh Huy Tuan Le, Chang Sun, Yan Zhu, Ziv Hameiri. School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, Australia

11:45
Improved CdTe metallization through use of internal energy referencing in X-ray photoelectron spectroscopy
Ryan Muzzio1, Christopher P. Muzzillo1, Ed Sartor1, Chungho Lee2, Matthew O. Reese1, Craig L. Perkins1. 1National Laboratory of the Rockies, Golden, CO, USA.2First Solar Inc, Santa Clara, CA, USA
LIVE EVENT - AREA 6: PEROVSKITE MODULE STABILITY CONSIDERATIONS
Chair/Organizer: Michael Owen-Bellini, Marco Casareto
Celestin H

10:30
Technical Considerations for Commercializing Perovskite Photovoltaic Modules – A review of observations from the PACT Center
Joshua S Stein1, Laura T Schelhas2, Timothy J Silverman2, Bruce H King1, Angelique Montgomery1, Michael Owen-Bellini2, Nick Irvin2, Sona Ulinca2, Michael Deceglie2, Norman Jost1, Daniel Riley1, Byron McDanold2, Joshua Parker2, Dana Kern2, Jackson Schall2, Charles Robinson1. 1Sandia National Laboratories, Albuquerque, NM, USA.2National Laboratory of the Rockies, Golden, CO, USA

10:45
Towards Compatible Encapsulants for Industrial Perovskite-Silicon Tandem Modules
Chiara Barretta1, Petra Christoefl1, Marcel Kuehne2, Markus Franke2, Frans Op den Buijsch3, Roland Milatz3, Lisa Champault4, Quentin Jeangros4, Quiterie Emery5, Mark Khenkin5, Carolin Ulbrich5, Gernot Oreski1, 6. 1Polymer Competence Center Leoben GmbH (PCCL), Leoben, Austria.2Hanwha Q CELLS GmbH, Bitterfeld-Wolfen, Germany.3The Compound Company, Enschede, Netherlands.4Swiss Center for Electronics and Microtechnology (CSEM), Neuchatel, Switzerland.5Helmholtz-Zentrum Berlin fA¼r Materialien und Energie (HZB), Berlin, Germany.6Technical University of Leoben, Leoben, Austria

11:00
Halide Perovskite Phase Transitions. How They Work and How to Watch Them.
Jeffrey Christians. Hope College, Department of Engineering, Holland, MI, USA

11:15
Best Student Presentation Award Finalist - Improved Mechanical Robustness and Durability Enabled by Textured Wafers and Interlayers in Perovskite-Silicon Tandem Solar Cells
Muzhi Li1, Mathilde Fievez2, Zhengshan Yu2, Nicholas Rolston1. 1Materials Science and Engineering, Fulton Schools of Engineering, Arizona State University, Tempe, AZ, USA.2Beyond Silicon, Tempe, AZ, USA

11:30
Screening Encapsulant Properties to Determine Compatibility with Metal-Halide Perovskite Solar Cells and Modules
Lucile M. Cerda1, 2, Mostafa Othman1, Oulaya Darbi1, Lisa Champault3, Jonathan Champliaud3, Christian M. Wolff1, Antonin Faes1, 3, AAmcha Hessler-Wyser1, Christophe Ballif1, 3SoA UliA1. 1EPFL, NeuchActel, Switzerland.2ETHZ, ZA¼rich, Switzerland.3CSEM, NeuchActel, Switzerland

11:45
Field durability tests of perovskite solar cells loaded with fixed resistors
Takeshi Tayagaki, Sayaka Hirooka, Kohei Yamamoto, Takurou N. Murakami, Masahiro Yoshita. National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
LIVE EVENT - AREA 7: PV SYSTEMS OPERATION
Chair/Organizer: Mark Mikofski , Lelia Deville
Celestin F

10:30
Impacts on backtracking energy generation from underlying terrain undulations and varying motor block size
William J. Hayes, Kendra Conrad, Kyumin Lee. Array Technologies, Inc, Albuequerque, NM, USA

11:00
Sensitivity of Bifacial PV Performance Loss Rate Estimates to Rear-Side Irradiance Sensor Type and Placement: A Field Case Study
Gustavo Nofuentes 1, Jorge Aguilera1, Emilio MuApoz-CerA³n1, Douglas Lamas2, Giuliano A. Rampinelli2, Juan de la Casa1. 1PV IDEA Research Group, CEACTEMA, University of Jaen, Spain., Jaen, Spain.2Nucleo Tecnologico de Energia Eletrica, Federal University of Santa Catarina, Brazil, Ararangua, Brazil

11:15
Module-Level Performance Loss Rate Estimates for Bifacial and Monofacial PV Modules on Different Soils at a Low-Latitude Site
Douglas Lamas1, Giuliano A. Rampinelli1, Juan de la Casa2, Jorge Aguilera2, Emilio MuApoz-CerA³n2Gustavo Nofuentes2. 1Nucleo Tecnologico de Energia Eletrica. Federal University of Santa Catarina, Brazil., Ararangua, Brazil.2PV IDEA Research Group, CEACTEMA, University of JaAcn, Spain, Jaen, Spain

11:30
Performance Analysis of a DC-coupled PV-plus-storage Plant with Bifacial PV Modules
Yiwei Ma1, Rabin Dhakal1, Daniel Fregosi1, Joe Thompson1, Cameron Riley1, Aminul Huque1, William Hobbs2. 1EPRI, Palo Alto, CA, USA.2Southern Company, Atlanta, GA, USA

11:45
Analysis of Photovoltaic Fleet Performance during August 2020 Western US Heatwave
Bennet Meyers, Kirsten Perry, Dirk Jordan. National Laboratory of the Rockies, Golden, CO, USA
1:30 - 3:00 PM
LIVE EVENT - SPECIAL SESSION: PVSC 2026 SPECIAL SESSION: GLOBAL PV PERSPECTIVES
Chair/Organizer: Silvana Ovaitt, Ammar Nayfeh, Thales Borrely
Celestin E

1:30
Opening Remarks
Ammar Nayfeh1, Silvana Ovaitt 2. 1Khalifa University .2National Laboratory of the Rockies

1:35
Regional Solar & Research Spotlight
.

2:25
Moderated Panel Discussion / Audience Q&A
.

2:55
Closing Remarks
Ammar Nayfeh 1, Silvana Ovaitt 2. 1Khalifa University .2National Laboratory of the Rockies
3:00 - 3:30 PM
BREAK: COFFEE BREAK/EXHIBITS
Storyville (Exhibit Hall)
3:30 - 5:00 PM
AREA 1: POSTERS
Chair/Organizer: Emily Warren, Rebecca Saive, Louise Hirst
Poster Section 1

H1
High-specific-power photovoltaics from stacked CVD-grown MoS2
Muhammad A. Abbas, Timothy Ismael, Teethiya Datta, Josh M. Sasson, Owen P. Harris, Miriam E. Lerner, Matthew D. Escarra. Tulane University, New Orleans, LA, USA

H2
Selective Coating of MoS2 Transport Layer on Patterned-ITO Substrate by Modified Interfacial Assembly for PV Applications
Muntaser AlmansooriAmmar Nayfeh. Khalifa University, Abu Dhabi, United Arab Emirates

H3
Effect of Graphene Doped PEDOT:PSS as a Hole Transport Layer on Organic Solar Cell Performance
Wafa Alnaqbi, Shanavas Shajahan, Yarjan Abdul SamadAmmar Nayfeh. Khalifa University, Abu Dhabi, United Arab Emirates

H4
Exceptionally Bright Near-Band-Edge Emission in an Earth-Abundant, Defect-Tolerant Semiconductor
Smitakshi Goswami1, Zhenkun Yuan1, Genevieve Amobi2, Sita Dugu3, Gideon Kassa1, Kirill Kovnir2, Geoffroy Hautier1, 4, Sage Bauers3, Jifeng Liu1. 1Dartmouth College, Hanover, NH, USA.2Iowa State University, Ames, IA, USA.3National Lab of the Rockies, Golden, CO, USA.4Rice University, Houston, TX, USA

H5
Durable and Multi-functional Anti-Reflection Coatings for Solar Photovoltaic Cover Glass
Shandon D. Hart1, Steven A. Yamada1, Lin Lin1, Peng Chen1, Dong-gun Moon2, Tae-young Kim2, Ji-man Lee2, Ananth Subramanian1, Nicholas M. Walker1, Fred Woodall1, Binwei Zhang1, Alexandra L. Mitchell1, Carlo Kosik Williams1, Jaymin Amin1. 1Corning Incorporated, Corning, NY, USA.2Corning Precision Materials Co. Ltd, Asan-si, Chungcheongnam-do, South Korea

H6
Scalable Nanogap Fabrication and Non-Destructive Metrology for Near-Field Thermophotovoltaic Devices
Yuting Li, Yeonghoon Jin, Debarati Sen, Titilope Dada, Eric Tervo. University of Wisconsina, Madison, WI, USA

H7
Tunable Organic Photovoltaic Module Platform for Photoelectrochemical Fuel Production
Luke McClintock, Zebulon Schichtl, Reilly Seban, Bryon Larson, Emily Warren. National Laboratory of the Rockies, Golden, CO, USA

H8
Applications of III-V Thermoradiative Diodes
Michael P. Nielsen, Valerii Radchenkov, Shimul Kanti Nath, Martin Zlatinov, Stephen Bremner, Nicholas J. Ekins-Daukes. UNSW, Sydney, Australia

H9
Albedo-Assisted Bifacial Operation of Single-Junction Triple-Cation Perovskite Solar Cells
Atanu Purkayastha, Anuj Kumar Palariya, Anurag Dehengia, Satish Patil, Sushobhan Avasthi. Indian Institute of Science, Bengaluru, India

H10
Multifunctional luminescent coating for space photovoltaic applications
Sergey Sarkisov1Darayas Patel2, Alexandre Fedoseyev1. 1SSS Optical Technologies, LLC, Huntsville, AL, USA.2Oakwood University, Huntsville, AL, USA

H11
Toward Defect-Engineered Photovoltaic Devices: Insight Into Combined Theoretical And Experimental Approach For Transparent Hole Collector / Active Organic Layer Interface Creation
Aleksandra Tomaszowska1, Paulina Powroznik1, Aleksandra Przybyla1, Yuri Ardesi2, Fabrizio Mo2, 4, Gianluca Piccinini2, Mariagrazia Graziano33, Maciej Krzywiecki1. 1Institute of Physics a, Gliwice, Poland.2Department of Electronics and Telecommunications of Politecnico di Torino, Turin, Italy.3Department of Applied Science and Technology of Politecnico di Torino, Turin, Italy.4National Institute for Metrological Research (INRiM), Turin, Italy

H12
Optimizing Practical Applications of Downshifting Technology in Commercial Solar Cells
Minh Tien Tran, Mingzhe Guo, Martin Green, Jessica Yajie Jiang. University of New South Wales, Sydney, Australia

H13
Toward Scalable Free-Space Luminescent Solar Concentration
Mathis Van de Voorde, Twan Kalthof, Jelle Westerhof, Lisanne Einhaus, Rebecca Saive. University of Twente, Enschede, Netherlands

H14
Alloy Engineering of BaZrS3 Chalcogenide Perovskite
Kiruba Catherine Vincent1, Shubhanshu Agarwal1, Rohan Nalumachu1, Kim Kisslinger2, Rakesh Agrawal1. 1Purdue University, West Lafayette, IN, USA.2Brookhaven National Laboratory, Upton, NY, USA

H15
Combining computational screening and experiment to discover defect-tolerant semiconductors for thin-film photovoltaics
Zhenkun Yuan1, 2, Muhammad R. Hasan3, Gideon Kassa1, Genevieve Amobi3, Shaham Quadir4, Smitakshi Goswami1, Andrew Pike1, Guillermo L. Esparza5, Sita Dugu4, Andriy Zakutayev4, David P. Fenning5, Obadiah G. Reid4, 6, Sage Bauers4, Jifeng Liu1, Kirill Kovnir3, 7, Geoffroy Hautier1, 2. 1Rice University, Houston, TX, USA.2Dartmouth College, Hanover, NH, USA.3Iowa State University, Ames, IA, USA.4National Laboratory of the Rockies, Golden, CO, USA.5University of California San Diego, La Jolla, CA, USA.6University of Colorado Boulder, Boulder, CO, USA.7Ames National Laboratory, Ames, IA, USA
AREA 4: POSTERS
Chair/Organizer: Paul Procel Moya, Thien Truong, Ujjwal Das
Poster Section 2

H16
Development of high-temperature resistant double side (DS) TOPCon architecture for the bottom Si solar cells of perovskite/Si tandem cell
Sagnik Dasgupta1, Kwan Hong Min1, Wook-Jin Choi1, Ajeet Rohatgi1, Young-Woo Ok1, Yanfa Yan2, Zhaoning Song2. 1Georgia Institute of Technology, Atlanta, GA, USA.2University of Toledo, Toledo, OH, USA

H17
Microscopic Insights into the Mechanism of LECO-Enabled Fire-through Cu Contact Formation on n-TOPCon
Sagnik Dasgupta1, Ruohan Zhong1, Harvey Gutthrey2, Mengkun Tian1, Vijaykumar Upadhyaya1, Venkata S. A. Mulkaluri1, Donald Intal3, Wook-Jin Choi1, Young-Woo Ok1, Pauls Stradins2, Abasifreke Ebong3, Ruvini Dharmadasa4, Thad Druffel4, Ajeet Rohatgi1. 1Georgia Institute of Technology, Atlanta, GA, USA.2National Laboratory of the Rockies, Golden, CO, USA.3University of North Carolina, Charlotte, NC, USA.4Bert Thin Films, Louisville, KY, USA

H18
Mitigating the contact resistance limitation of cavitated fine line Ag paste by Laser-Enhanced Contact Optimization
Donald Intal1, Abasifreke Ebong1, Vijay Upadhyaya2, Brian Rounsaville2, Ajeet Rohatgi2, Dana Hankey3, Marshall Tibbetts3. 1University of North Carolina at Charlotte, Charlotte, NC, USA.2Georgia Institute of Technology, Atlanta, GA, USA.3ACI Materials Inc., Goleta, CA, USA

H19
Extended Accelerated Stress Testing of Lamination-Free Edge-Sealed Photovoltaic Mini-Modules
Steve Johnston1, Ryan Ruhle2, Dana B. Kern1, Kent Terwilliger1, David Durney2, Walajabad Sampath2. 1National Laboratory of the Rockies, Golden, CO, USA.2Colorado State University, Fort Collins, CO, USA

H20
Understanding of Boron Diffusion Dynamics in In-situ and Ex-situ Doped p+ Poly-Si Passivating Contacts for p-type TOPCon Solar Cells
Unsoo Kim, Yong-Jin Kim, Sang Hee Lee, Yunae Cho, Hyungwoo Kim, Kyung Taek Jeong, Hee-Eun Song. Korea Institute of Energy Research, Daejeon, South Korea

J1
Silicon heterojunction solar cells with copper contacts metallization by direct printing and CO2 laser sintering
Quang Hao Nguyen1, Ranganathan Kumar1, Aravinda Kar2, Kristopher O. Davis3. 1Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL, USA.2CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL, USA.3Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA

J2
Electrical Stability of LECO-treated TOPCon Solar Cells
Saman Sharbaf Kalaghichi1, Jan Lossen1, Jan HoA1, Pirmin Preis1, Lazhar Rachdi1, Mertcan Comak1, JA¼rgen H. Werner2, Lejo Joseph Koduvelikulathu1Vaibhav Kuruganti1. 1International Solar Energy Research Center Konstanz, Konstanz, Germany.2Institute for Photovoltaics, University of Stuttgart, Stuttgart, Germany

J3
Understanding the Electron Paramagnetic Resonance Signal of Free Electrons in Passivated Silicon Surfaces
Thien Truong1, Chirag Mule1, 2, Rabin Basnet3, P. Craig Taylor2, Sumit Agarwal2, David Mulder1, William Nemeth1, David Young1, Paul Stradins1. 1National Laboratory of the Rockies, Golden, CO, USA.2Colorado School of Mines, Golden, CO, USA.3Australian National University, Canberra, Australia

J4
Improvement of Passivation for p-type Silicon Nano-crystals/Silicon Oxide Composite Layer by Atomic Hydrogen Treatment in a Catalytic Chemical Vapor Deposition System
Hiroto Yamaguchi1, Shohei Fukaya1, Kazuhiro Gotoh1, 2, 3, Keisuke Ohdaira4, Markus Wilde5, Katsuyuki Fukutani5, Yasuyoshi Kurokawa1, 6, Noritaka Usami1, 6, 7. 1Graduate School of Engineering, Nagoya University, Nagoya, Japan.2Faculty of Engineering, Niigata University, Niigata, Japan.3Interdisciplinary Research Center for Carbon-Neutral Technologies, Niigata University, Niigata, Japan.4Japan Advanced Institute of Science and Technology, Nomi, Japan.5Institute of Industrial Science, The University of Tokyo, Meguro, Japan.6Institutes of Innovation for Future Society, Nagoya University, Nagoya, Japan.7Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, Japan

J5
Correlating Annealing-Induced Electronic and Chemical Degradation of Silicon Heterojunction Cells
Margaret Zeile1, 2, Andrew V. Teplyakov2, Ujjwal K. Das1. 1Institute of Energy Conversion, Newark, DE, USA.2Department of Chemistry and Biochemistry, Newark, DE, USA

J6
Ag-free Solar Cell Featuring Passivating Contacts with Screen-printed Front Al and Rear Cu Contact with Laser-enhanced Contact Optimization
Ruohan Zhong1, Byungsul Min2, Vijaykumar Upadhyaya1, Sebastian Junge2, Young Woo Ok1, Brian Rounsaville1, Rolf Brendel2, Ajeet Rohatgi1. 1Georgia Institute of Technology, ATLANTA, GA, USA.2Institute for Solar Energy Research Hamelin, Emmerthal, Germany
AREA 8: POSTERS
Chair/Organizer: Dennice Roberts, Ana Dyreson, Laurie Burnham
Poster Section 3

J7
Comparative snow-shedding performance of landscape versus portrait orientation for photovoltaic systems
Ayush Chutani1, David Wallis1, Ana Dyreson1, Laurie Burnham2. 1Michigan Technological University, Houghton, MI, USA.2Sandia National Laboratories, Albuquerque, NM, USA

J8
Field Comparison of Snow Losses in Bifacial Fixed Tilt Versus Single Axis Tracking PV system
Ayush Chutani, Isobel Bowker, Ana Dyreson. Michigan Technological University, Houghton, MI, USA

J9
Methodologies for Imputing Missing Data for Photovoltaic Performance Loss Estimation
Nikola Hrelja1, Loic Guillemot2, Lluvia Ochoa3. 1TotalEnergies OneTech, Palaiseau, France.2TotalEnergies OneTech, Palaiseau, France.3TotalEnergies OneTech, Palaiseau, France

J10
Capacitance-Based Metastability in Samples Extracted from UV-Stressed Silicon TOPCon Photovoltaic Modules
Steve Johnston, Dana B. Kern, Rebecca B. Wai, Kent Terwilliger. National Laboratory of the Rockies, Golden, CO, USA

J11
Integration of electrical circuit simulations for PV degradation simulations
Norman Jost, Brandon K. Byford, Jennifer L. Braid, Clifford W. Hansen. Sandia National Laboratories, Albuquerque, NM, USA

J12
Assessing Risks for Photovoltaic Modules: Environmental Conditions, Extreme Weather, and Regional Capacity
Norman Jost1, Jennifer Braid1, Elizabeth Palmiotti2, Dirk Jordan2, Jarett Zuboy2. 1Sandia National Laboratories, Albuquerque, NM, USA.2National Laboratory of the Rockies, Golden, CO, USA

J13
pvcracks: python repository for electroluminescence image processing, current-voltage curve fitting and power loss estimation
Norman Jost1, Brandon K. Byford1, Rodrigo d. Prado Santamaria2, Clifford W. Hansen1, Jennifer L. Braid1. 1Sandia National Laboratories, Albuquerque, NM, USA.2Technical University of Denmark, Roskilde, Denmark

J14
Solar Technology Soiling R&D: History, Progress, Status, and Trends
Lawrence L. Kazmerski1, Suellen C.S. Costa2, Antonia Sonia A.C. Diniz3. 1Renewable and Sustainable Energy Institute (RASEI), University of Colorado Boulder, Boulder, CO, USA.2Matrix Energia, SApo Paulo, Brazil.3PontifAscia Universidade CatA³lica de Minas Gerais (PUC Minas), Belo Horizonte, Brazil

J15
The Environmental Stability of SnO2, ZnO and Alloyed Buffer Layers
Luksa Kujovic, Elliott Groves, Ali Abbas , Luke O. Jones, Mustafa Togay, Luis C. Infante-Ortega, Samuel E. Machin, Adam M. Law, Ana C. Jurado-Estrada, Jake W. Bowers, John M. Walls. Loughborough University, Loughborough, United Kingdom

J16
Bankability Assessment of TOPCon Photovoltaic Modules Through Extended Reliability Testing
Mengdi Liu1, Eleanor Lee2, Wenhao Xu1, Yating Zhang1, Giorgio Bardizza3, Max Koentopp4Christos Monokroussos1. 1TA, Shanghai, China.2TA, Taipei, Taiwan.3TA, Pogliano Milanese, Italy.4TA, Cologne, Germany

J17
The Operation and Durability of UV-Downshifting Encapsulants for Contemporary PV Modules
David Miller, Xavier Hanna, Dennice Roberts, Rachael Arnold, Jimmy Newkirk, Kent Terwilliger, Steve Johnston, Rebecca Wai, Peter HackeDana Kern. National Laboratory of the Rockies, Golden, CO, USA

J18
Ashesi Solar Monitoring Network Version II (ASMONET V2): Improved IoT-Based Soiling Measurement for Photovoltaic Systems in West Africa
Augustine Ofosu-Appiah1, Stewart Isaacs2, 3, Acheampong A. Afari1, Jeremiah Takyi1, Joshua Nti1, Heather R. Beem1. 1Ashesi University, Berekuso, Ghana.2Massachusetts Institute of Technology, Cambridge, MA, USA.3Carnegie Mellon University Africa, Kigali, Rwanda

J19
IN-SITU MOISTURE CHARACTERIZATION TO DE-RISK PHOTOVOLTAIC MODULE DEVELOPMENT AND QUALIFICATION
Sergiu Pop1, Mihail Bora2. 1SCP SYS LLC, San Francisco, CA, USA.2Lawrence Livermore National Laboratory, Livermore, CA, USA

J20
PV That Lasts: Persistence in New York Customer-Sited Installations
Antonia Sanhueza1, Dana Nilsson2, Dale Tutaj3. 1DNV, Madison, WI, USA.2NYSERDA, Albany, NY, USA.3DNV, Milwaukee, WI, USA

K1
What Solar Module Test Failures Reveal in 2026: Key Takeaways from Kiwa PVEL’s PV Module Reliability Scorecard
Archana Sinha, Jean-Nicholas Jaubert, Todd Karin, Tristan Erion-Lorico. Kiwa PVEL, Napa, CA, USA

K2
A Systematic Review and Integrated Approach to Modeling of Aging Utility Scale PV Systems
Hanan Wehbi, Joseph Simon, Heather Mirletz, Jal Desai, Taylor Curtis, Garvin Heath, Matthew Prilliman, Brian MirletzSilvana Ovaitt, Chris Deline. National Lab of the Rockies, Golden, CO, USA

K3
Sensitivity of models for snow-induced energy losses in fixed-tilt PV systems due to different ground snow depth data sources
Shelbie Wickett, Ayush Chutani, Isobel Bowker, Ana Dyreson. Michigan Technological University, Houghton, MI, USA
LIVE EVENT - AREA 12 / INDUSTRY FORUM: CHALLENGES AND SOLUTIONS IN INDUSTRIAL PV CHARACTERIZATION
Chair/Organizer: Peter Pasmans, Ron Sinton
Celestin A

3:30
Challenges of High-Throughput Measurements for 2T Perovskite–Silicon Tandem Cells
Lukas Ziegler. WAVELABS Eternal Sun GmbH, Leipzig, Germany

3:45
Wish list of characterization needs
. Oxford PV

4:00
Solutions for industry
. Semilab

4:15
TBD
.

4:30
TBD
.
5:00 - 6:00 PM
SOCIAL ACTIVITY: PV CAREERS
Imperial 5
7:00 - 9:00 PM
SOCIAL ACTIVITY: WEDNESDAY NIGHT SOCIAL (TICKET REQUIRED)
Empire CD