Program MIW2025

Sunday, October 19, 2025
From 18:00Welcome reception
Monday, October 20, 2025
08:00 -8h30Registration and coffee
08:30 - 08:40Opening (MIW2025 organizers)
08:40 - 08:50Introductory talk by HZB
08:50 - 10:10Session I: Progress in industrial metallization technologies
KeynoteJun ZhaoCSEMUpdates of recent metallization development from Chinese mass production
Ning ChenWuxi Autowell TechnologyThe Application of Stencil Printing in Industrial Solar Cells in 2025
Sebastian TepnerEKRA Automatisierungssysteme GmbHIntroducing a 1.2GW metallization line utilizing a novel screen-printing approach with a throughput of 13500 wafer per hour
10:10 - 10:30Coffee break
10:30 - 11:30Session II: Poster session A
11:30 - 13:00Session III: Advances in interconnection
Hamed Javanbakht LomeriimecTowards Sustainable SHJ Module Fabrication: Multiwire TWILL Interconnection for Copper-based Metallization and Indium-Free Transparent Conductive Oxides
Nathalie Ronayette-LamoineCEA INESTowards less than 10 mg/Wp silver consumption in HJT modules with ECA based interconnection
Derya GüldaliFraunhofer ISERoHS-Compliant Interconnection of TOPCon Solar Cells: Feasibility and Performance Evaluation of SnAgCu Solder Alloy
Jonas EckertFraunhofer ISEContact adhesion mechanism of plated contacts on industrial TOPCon rear sides – Microstructure analysis and module integration
13.00 - 14.00Lunch break
14:00 - 14:40Session IV: Industry Session
iSilverCost reduction of low-temperature silver paste and its application in various photovoltaic cells
HenkelTBD
MondragonTBD
GondaTBD
DowTBD
14:40 - 15:00Coffee break
15:00 - 16:30Session V: Metallization by plating
Jonas BartschFraunhofer ISEPlating as metallization method in photovoltaics – properties, developments and applications
Agata LachowiczCSEMReduction of silver and indium consumption by copper plating with a dielectric masking layer for sustainable production of heterojunction cells
G. Rodrigues LopesCEA INESSeed-Layer-Free Electroplated Copper Metallization of SHJ Cells Enabled by Chemical Modification of Transparent Conductive Oxides
Thibaud HattPV2+Bifacial TBC polyZEBRA Solar Cell meets PV2+’s copper plating metallization
16:30 - 17:30Market Place Discussions
From 17:30Aperitif & Dinner
Tuesday, October 21, 2025
8:30 - 9:00Wrap - Up Market Place Discussions
9:00 - 10:10Session VI: Transition towards Cu paste metallization
Sebastian PingelFraunhofer ISEEfficient Silver Usage in Screen-Printed SHJ Cells for the Terawatt Production Era
Thad DruffelBert Thin FilmsLECO Processing of Copper Pastes
Oumaima MhirsiFraunhofer ISEUnveiling Mechanistic Differences in the Curing of Copper and Silver Pastes for Heterojunction Solar Cells
10:10 - 10:40Coffee break
10:40 - 11:40Session VII: Poster session B
11:40 - 12:50Session VIII: Progress and understanding of screen printed contacts
session chairs:
Andreas LorenzFraunhofer ISEAdvancements in Fine Line Metallization: Latest Achievements at Fraunhofer ISE
Yuelin XiongUniversity of OxfordA Failure Mode Affecting the Reliability of LECO Metallised High-Efficiency TOPCon Solar Cells
Aathira NairFraunhofer ISEProgress on reducing contact width in solar cell metallization by optimized laser processing during screen production
12:50 - 13:50Lunch break
13:50 - 15:20Shared session with Pepperoni Session IX: Metallization and Interconnection for Si-perovskite tandem solar cells
Valérie DepauwimecMultwire Interconnection with SnBi Alloy for Perovskite/Silicon Tandems
Yanxin LiuForschungszentrum JülichRoom-Temperature Interconnection of Thermally Sensitive Solar Cells Using Electrically Conductive Tape
Tillman FingerKarlsruhe Institute for TechnologyT-ECA – Thermoplastic Adhesives for Solar Cell Interconnection
Freya LeylandHZBInvestigating barrier properties of TCOs against metallization and interconnection materials for thermal stability of perovskite-based solar cells
15:20 - 15:30Closing and Goodbye
15:30 -Networking with coffee and lab tours
15:30 -Networking with coffee and lab tours

Poster

PosterNameAffilationTitleSession
A-01Marianne KronsbeinKarlsruhe Institute of TechnologyElectrically Conductive Adhesives based on Silver-Coated Glass and Copper ParticlesMon. 10:30h
A-02Yuelin XiongUniversity of OxfordCopper Diffusion at the Copper/Silicon Interfaces: Is it really that big a problem?Mon. 10:30h
A-03Veysel UnsurODTU-GUNAMBeyond Silver: Comparative Performance Analysis of Alternative Metallization Strategies in Silicon Solar CellsMon. 10:30h
A-04Donald IntalUniversity of North Carolina at CharlotteThe Impact of LECO on Screen Printed Copper Contact with PERC ArchitectureMon. 10:30h
A-05Cesar MannaPVNanocellAdvancing Screen Printed Ag and Cu Nanoparticle Materials for Low Temperature Application: Rheology-Controlled Linewidth, Perovskite Adhesion, and Low-Temperature StabilityMon. 10:30h
A-06Yuelin XiongUniversity of OxfordThe Bulk and Interface Properties of Cu Screen-printed Contacts on Silicon Solar CellsMon. 10:30h
A-07Yu WuTNOInvestigation of Cu metallization and interconnection in the HJT solar cell & module manufacturingMon. 10:30h
A-08Ning ChenATWThe Application of Stencil Printing in Industrial Solar Cells in 2025Mon. 10:30h
A-09Roberto BoccardiDTU Electro - SPVS groupWet etch opening of bifacial i-TOPCon cells for Ni/Cu plated contactsMon. 10:30h
A-10Melisa Korkmaz ArslanODTÜ-GÜNAMINNOVATIVE CU PLATING STRATEGY FOR INDUSTRY COMPATIBLE METALLIZATION OF SHJ SOLAR CELLSMon. 10:30h
A-11Melika MotaghianTU EindhovenEngineering the optoelectronic properties of ZnSnOx buffer layers by controlling the composition of the deposited films in high-throughput spatial ALDMon. 10:30h
B-01Stephan GroßerFraunhofer CSPMicroscopic Investigation on Quantification of Percolating and Non-Percolating Fillers in Electrically Conductive AdhesivesTue. 10:40h
B-02Yanxin LiuForschungszentrum Jülich GmbHRoom-Temperature Interconnection of Thermally Sensitive Solar Cells Using Electrically Conductive TapeTue. 10:40h
B-03Jannik Niels KleesiekHelmholtz-Zentrum BerlinInfluence of ITO sputter conditions on the Ag-TCO front contact for perovskite-silicon tandem solar cellsTue. 10:40h
B-04Leonhard BöckFraunhofer-Institut für Solare EnergiesystemeHow to Interconnect III-V/Si Tandem Solar Cells for Maximum Module EfficiencyTue. 10:40h
B-05Max AilingerKarlsruher Institut für Technologie (KIT)Correlation between Flow Properties and Print Quality in the Front-Side Metallization of Solar CellsTue. 10:40h
B-06Marco GaliazzoApplied Materials ItaliaAdvancing Solar Cell Metallization: Integration of Parallel Dispensing Technology into Automated Production LinesTue. 10:40h
B-07Mihir MahajanimecExploring Carbon-Based Paste Properties for Metallization of Low-Temperature Solar CellsTue. 10:40h
B-08Mohamed Issifi YacoubaJülich research centerHigh efficiency silicon heterojunction solar cells with silver-free metallization; comparing Ag, AgCu and Cu metallizationTue. 10:40h
B-09Jonas ValentijnUniversity of TwenteAdvancements in String Printing: Understanding and Improving String Coating.Tue. 10:40h
B-10Vicky CoopersteinCopprintConductive Copper Pastes for PV: New inks with high thixotropy and conductivity achieve top performanceTue. 10:40h
B-11Marcial Fernandez-CastroTecnalia Research & InnovationInvestigating performance variations and electrical resistance of Electrically Conductive Adhesives (ECAs) for Solar CellsTue. 10:40h