
Register now for ISOS 17.
ISOS17 is now accepting late abstract submission for posters till 26/06/2026 with answer expected 17/07/2026.
Connect with fellow attendees and stay updated on conference news.
Support ISOS 17 and gain visibility. Contact us for sponsorship opportunities.
ISOS 17 features a comprehensive three-day programme designed to facilitate knowledge exchange, foster collaboration, and showcase the latest advances in perovskite solar cell stability research.
Don't miss this exceptional opportunity to engage with the global perovskite photovoltaic community, share your research, forge new collaborations, and help shape the future of sustainable energy technology.
Whether you're presenting breakthrough research, seeking partnerships, or exploring the latest advances in the field, ISOS 17 offers an unparalleled platform for knowledge exchange and professional development.
We are delighted to announce two of our distinguished invited speakers who will share their expertise and insights at ISOS 17.
Group Leader
Solution-Processing of Hybrid Materials and Devices
Helmholtz-Zentrum Berlin
Germany
Prof. Eva Unger is the Head of Department for Solution Processing of Hybrid Materials and Devices at Helmholtz Center Berlin.
She is internationally recognized for herwork on emerging PV, with a focus on chemical aspects of halide perovskite solution processing and open research data management. Her research has significantly contributed to creating opportunities for sustainable learning cycles in the PV community by creation of replicatable open science platforms for experimental data sharing. Her present current activities include the Implementation of ISOS-protocols in PV Data Workflows, providing insights into recent efforts in establishing FAIR data infrastructure enabling the sharing and dissemination of stability data with the wider research community.
Prof. Eva Unger received her Ph.D. degree from Uppsala University (Sweden) where she worked on Excitonic Dye Solar Cells. During her postdoctoral research at Stanford University (USA) she started working Perovskite Solar Cell devices as an early adaptor of the technology. Her current research focuses on scalable process development for the manufacturing of larger area Perovskite Solar Cells and the rationalization of material formation mechanisms from solutions to solid-state thin films.
Distinguished Professor
Dalian National Laboratory for Clean Energy
Dalian Institute of Chemical Physics
Chinese Academy of Sciences
People’s Republic of China
Professor of Energy
Royal Society University Research Fellow (URF)
School of Natural and Environmental Sciences,
Newcastle University, United Kingdom
Senior Research Fellow
National Renewable Energy Laboratory
Metal Halide Technologies Team Lead
Fellow Renewable and Sustainable Energy Institute
Department of Physics University of Colorado Boulder
Joseph J. Berry is an Associate Professor of Physics at the University of Colorado Boulder and a Senior Research Fellow at the National Laboratory of the Rockies (NLR). His research at the University of Colorado focuses on the fundamental science of hybrid semiconductors, where he leads investigations into the complex material physics governing next-generation optoelectronic systems. As a Principal Investigator for the NLR-led Center for Hybrid Organic-Inorganic Semiconductors for Energy (CHOISE), an Energy Frontier Research Center (EFRC), his university group works to address core questions in these hybrid semiconductors, their defects, and interfaces with related materials.
Dr. Berry received his Ph.D. from Pennsylvania State University, on spin transport and the physics of semiconductor heterostructures. His efforts at the CU and NLR are dedicated to elucidating the relationship between fundamental interfacial properties and technologically significant device behaviors. This work encompasses a diverse range of traditional and nascent semiconductor heterostructures, including oxides, organics, and his current emphasis on the advancement of hybrid metal halide semiconducting materials. Through these integrated efforts, he serves as a bridge between foundational laboratory discovery and the realization of high-performance semiconductor technologies.
Professor Physics of Novel Semiconductors and Devices
Faculty of Science and Engineering
University of Groningen
The Netherlands
Jan Anton Koster is Full Professor Physics of Novel Semiconductors and Devices at the Zernike Institute for Advanced Materials, University of Groningen. His main research interests include hybrid perovskite solar cells, organic solar cells and organic thermoelectrics. His research group uses a combination of experimental and simulation techniques to identify how the performance of devices is related to the properties of the materials and basic physical processes. The group's work focuses on functional materials that can be easily processed from solution.
Jan Anton Koster obtained his PhD at the University of Groningen in 2007. After his PhD, Jan Anton Koster worked as a postdoc at the universities of Cambridge and Eindhoven. After having obtained a Veni grant for organic solar cell modelling, he moved back to Groningen to continue his work on organic semiconductors. In 2013 he was appointed as an assistant professor (tenure-track) at the university of Groningen.
Chancellor's Fellow in Climate Energy & Sustainability
Lecturer in EEE, School of Engineering
University of Edinburgh
Professor
Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Science (SINANO)
Chinese Academy of Science
People's Republic of China
Associate professor
Laboratory of Photovoltaics and Optoelectronics
University of Ljubljan, Slovenia
Marko Jošt is an Associate Professor at Faculty of Electrical Engineering, University of Ljubljana and works at the LPVO laboratory. His main research interests are perovskite-based tandems, stability of perovskite devices and optical modelling of solar cells. Using the LPVO group’s specialized electronics for evaluating long-term stability, he investigates stability of perovskite solar cells under laboratory and real-world conditions, along with an assessment of energy yield. Marko Jošt obtained his PhD at University of Ljubljana and TU Berlin in 2017. Afterwards, he worked as a post-doc at Helmholtz-Zentrum Berlin in the group of Steve Albrecht. Since 2020, he is leading perovskite research at the LPVO group at University of Ljubljana.
Distinguished University Professor
School of Chemical Engineering
Director, SKKU Institute of Energy Science and Technology (SIEST)
Sungkyunkwan University (SKKU)
Suwon 16419, Republic of Korea
Nam-Gyu Park is a Lifetime Distinguished University Professor in the School of Chemical Engineering and Director of the SKKU Institute of Energy Science and Technology (SIEST) at Sungkyunkwan University (SKKU). He received his B.S. degree in chemical education in 1988 and his M.S. and Ph.D. degrees in chemistry from Seoul National University in 1992 and 1995, respectively. He conducted postdoctoral research at ICMCB-CNRS, France (1996–1997), and at the National Renewable Energy Laboratory (NREL), USA (1997–1999). Prior to joining SKKU as a full professor in 2009, he served as a senior researcher at the Electronics and Telecommunications Research Institute (ETRI) from 2000 to 2005 and as director of the Solar Cell Research Center at the Korea Institute of Science and Technology (KIST) from 2005 to 2009. He is an elected Fellow of the Korean Academy of Science and Technology (KAST). His research centers on photovoltaic materials and devices, with nearly three decades of contributions to solar energy science. In 2012, he reported the first long-term stable solid-state perovskite solar cell, lauching the modern era of perovskite photovoltaics. His subsequent work has advanced the understanding of perovskite materials, device physics, crystallization control, and interface engineering, supporting the rapid development of high-efficiency perovskite solar cells. In recognition of his scientific impact, Prof. Park was named a Citation Laureate (top 0.01% scientist) in 2017 and has been included in Clarivate’s Highly Cited Researchers list (top 1%) from 2017 to 2025. His honors include the Samsung Ho-Am Prize (2018), the Rank Prize (2022, UK), the National Academy of Engineering of Korea Grand Award (2024), Korea’s Top Scientist and Technologist Award (2024), the Eni Award (2024, Italy), the Humboldt Research Award (2025, Germany), and the NIMS Award (2025, Japan). He also serves the scientific community as Senior Editor of ACS Energy Letters.
Research Director at CNRS-IPVF (France) Advanced Characterization and Reliability (ICARE) program leader
Philip Schulz is a CNRS Research Director at the Institut Photovoltaïque d’Île-de-France (IPVF) in Saclay, where he leads the Advanced Characterization and Reliability program addressing key challenges in the development of emerging photovoltaic technologies. His research focuses on the design and analysis of interfaces and hybrid materials for next-generation semiconductor applications, by coupling advanced spectroscopic techniques for multimodal in situ and operando characterization approaches. He addresses fundamental questions in the physical chemistry of emerging photovoltaic materials, particularly halide perovskites and related semiconductor systems, with the goal of enabling more efficient and sustainable solar-energy technologies.
Before joining CNRS in 2017 through the Make Our Planet Great Again program, initiated by the President of France, Dr. Schulz conducted research at the National Renewable Energy Laboratory (NREL) in Colorado and at Princeton University as a postdoctoral researcher. During this period, he specialized in the growth and characterization of organic, hybrid, and emerging semiconductor materials, with a particular emphasis on interfaces governing device performance. He holds a PhD in Physics from RWTH Aachen University, with a focus on condensed matter physics and organic electronics.

Mark your calendars for three days of groundbreaking research, networking, and collaboration at Paris-Saclay campus, France. The 17th edition of ISOS brings together the global photovoltaic community to advance organic and hybrid perovskite solar cell stability research.
Hosted by IPVF (Institut Photovoltaïque d'Île-de-France 👉 click here to follow us) , this summit represents a unique opportunity to engage with leading researchers, industry professionals, and innovators shaping the future of sustainable energy technology.
Strategically located in the heart of Europe, offering excellent connectivity for international delegates and fostering cross-border collaboration.
Paris-Saclay ranks amongst the world's most powerful innovation centres, hosting prestigious research institutions and cutting-edge technology companies.
An ideal environment for strengthening partnerships, building networks, and accelerating research maturity in photovoltaic technologies.
The program includes visits to unique European research infrastructures, featuring IPVF's state-of-the-art pilot line, inaugurated in 2026.
The International Summit on Organic and Hybrid Perovskite Solar Cell Stability has established itself as the premier forum for advancing stability research in next-generation photovoltaic technologies. ISOS 17 continues this tradition of excellence.
We unite researchers, industry leaders, funders, and academic partners to share breakthrough findings, establish standardised testing protocols, and drive innovation in perovskite solar cell development towards commercial viability.

Building on 16 successful summits advancing the field
Global participation from leading research nations
Expected researchers and industry professionals
Intensive programme of presentations and networking
ISOS 17 is guided by a distinguished international scientific committee comprising leading experts in perovskite photovoltaics, materials science, and device stability research from prestigious institutions worldwide.
IPVF, France
IMEC, Belgium
USD, Denmark
IPVF, France
IPVF, France
Nanjing University, China
CEA Liten, France
HZB, Germany
ISOS 17 is made possible through the generous support of our sponsors, who share our commitment to advancing photovoltaic research and accelerating the transition to sustainable energy solutions.
VIP branding, exhibition space, logo placement, delegate bag inserts & speaking opportunities.
Premier branding, exhibition space, logo placement, delegate bag inserts & speaking opportunities.
Branding, limited exhibition space, logo placement, delegate bag inserts & speaking opportunities.
Branding and logo placement.
ISOS 17 will be held at EDF Lab Paris-Saclay, a long-standing partner of IPVF, located in the heart of the Paris-Saclay innovation hub. The campus has state-of-the-art conference facilities, exhibition spaces and access to cutting-edge laboratories.
Address: 7 boulevard Gaspard Monge, 91120 Palaiseau, France

The ISOS 17 local organising committee comprises dedicated professionals from IPVF, EDF, and CNRS, working tirelessly to ensure a seamless and enriching experience for all attendees. Their expertise and local knowledge are pivotal to the success of the summit.
IPVF
IPVF
IPVF
IPVF
EDF
CNRS
CNRS
TotalEnergies
IPVF
Register now for ISOS 17. Early bird rates available until April 30, 2026.
Connect with fellow attendees and stay updated on conference news.
Support ISOS 17 and gain visibility. Contact us for sponsorship opportunities.
Do you have a question or need help? Please contact isos@ipvf.fr







Join us for the 17th International Summit on Organic and Hybrid Perovskite Solar Cell Stability