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Thin films: from growth to processing and applications
AThin-film chalcogenide materials for PV and solar energy conversion
Chalcogenide-based materials are key for sustainable, large-scale energy production. These direct bandgap semiconductors enable low-cost, efficient thin-film PV and solar-to-molecule applications. They offer high material utilization, stability, and compatibility with flexible substrates, ideal for tandem devices.
Scope:
Proven material systems like CdTe and CIGSe have reached efficiencies above 22% in laboratories and over 20% in commercial modules. Research continues on kesterites, Sb-based chalcogenides, and chalcogenide perovskites for single and multijunction applications.
Beyond photovoltaics, chalcogenide semiconductors are also being explored for solar-to-molecules conversion, including photoelectrochemical water splitting, CO₂ reduction, and PV-driven electrolysis. Their stability under environmental stressors, low manufacturing costs, high material utilization, and short energy payback times make them relevant for sustainable energy technologies.
A key advantage of chalcogenide semiconductors is their tunable optoelectronic properties, allowing tailored material combinations for high-efficiency tandem and multijunction devices. This approach provides pathways to exceed single-junction efficiency limits and advance thin-film PV performance.
This symposium will cover advances in chalcogenide materials, including fundamental properties, device engineering, process optimization, and solar-to-molecules applications. Discussions will address current challenges and industrialization efforts, linking semiconductor physics, photovoltaics, and solar-to-fuel technologies.
The program will feature invited and contributed talks, poster sessions, and discussions. The Young Scientist Tutorial will continue, supporting collaboration and knowledge exchange among early-career researchers.
Hot topics to be covered by the symposium:
- Chalcogenide PV: Theory, modeling, and simulations
- Sustainable PV: Scalable, eco-friendly processing
- Novel chalcogenides: Composition tuning for performance
- Thin-film growth: Theoretical and experimental advances
- Defects & interfaces: Grain boundaries, alkali treatments
- Heterostructures & transport: Buffer layers, contacts
- Characterization: Material, electrical, and interface analysis
- Integrated PV: BIPV, semi-transparency, device tuning
- Industrialization: Scaling, manufacturing, diagnostics
- Multijunction PV: Tandem designs, integration
- Flexible PV: Novel substrates, stability
- Light management: Optical enhancements
- Beyond PV: Solar fuels, PEC, PV-EC
Scientific Committee:
- Marcus Bär – HZB
- Shogo Ishizuka – AIST
- Oana Cojocaru-Merédin – University of Freiburg
- Daniel Abou-Ras – HZB
- Romain Carron – EMPA
- Susanne Siebentritt – University of Luxembourg
- Edgardo Saucedo – UPC
- Akira Yamada – Institute of Science Tokyo
- Jan Keller – Uppsala University
- Byungha Shin – KAIST
- Lorelle Mansfield – NREL
Confirmed invited speakers:
- Harry Mönig – Universität Münster
- Lydia Helena Wong – NTU
- Chunlei Yang – CAS
- Christian Kaufmann – HZB
- Charlotte Platzer Björkman – Uppsala University
- Hiroki Sugimoto – PXP Corporation
- Alejandro Pérez Rodríguez – IREC
- Albert Polman – AMOLF
- Maarja Grossberg-Kuusk – Tallinn University of Technology
- Rafael Jaramillo – MIT
- Raquel Caballero – CSIC–Institute of Optics
- James Becker – First Solar
Publication & Prize Announcement:
A prize for best talk/best poster will be supported by IOP Publishing. The symposium organizers warmly invite participants to contribute a manuscript based on, or related to, their E-MRS presentations to a dedicated focus collection in JPhys Energy.
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Institute for Materials Research (imo-imomec), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
bart.vermang@uhasselt.beFaculty of Physics, University of Duisburg-Essen, Lotharstraße 1, 47057 Duisburg, Germany
martina.schmid@uni-due.deAv. Mestre José Veiga, 4715-330 Braga, Portugal
sascha.sadewasser@inl.intSchool of Photovoltaic and Renewable Energy Engineering, UNSW, Sydney, NSW 2052, Australia
xj.hao@unsw.edu.auDepartment of Energy and Environment, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
yukiko-kamikawa@aist.go.jp