• Opening of the Workshop

• Erik Garnett, AMOLF, The Netherlands
  The Material Evolution Revolution
• David Cahen, Weizmann Inst. of Science, Israel
  Up-conversion of Mid-gap Traps
• Daniel Abou-Ras, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Berlin, Germany
  Why grain boundaries are always detrimental for the device performance of solarcells and dislocations are not (in some material systems)
• Iris Fisher, Ben-Gurion University of the Negev, Israel
  Temperature Dependence of Diurnal Metastability of Perovskite Solar Cells
• Norbert Koch, Bereich Solare Energie, Helmholtz Zentrum Berlin für Materialien und Energie, Germany
  Determination of the V_oc-generating interfaces within perovskite-based solar cells
• Petra Cameron, University of Bath, UK
  Are Mobile Ions Bad for Perovskite Solar Cells?
• Carsten Deibel, Institut für Physik, Technische Universität Chemnitz, Chemnitz 09126, Germany
  Recombination rates and voltage losses of perovskite solar cells under steady stateconditions
• Bruno Ehrler, AMOLF, Center for Nanophotonics, Amsterdam, The Netherlands
  The challenges of measuring ion migration in perovskite solar cells

• Vladimir Dyakonov, Physikalisches Institut, Universität Würzburg, Germany
  Transient phenomena and ion kinetics in lead-halide perovskites
• Philip Schulz, Institut Photovoltaique d'Ille de France, CNRS,Palaiseau, France
  Interface Formation in Perovskite Solar Cells: Insights from PhotoemissionSpectroscopies Across Buried Interfaces
• Uwe Rau, FZ Jülich, Germany
  Charge Carrier Collection in Lead-Halide Perovskite Solar Cells
• Fabian Thome, University of Freiburg, INATECH, Freiburg in Breisgau, Germany
  The Influence of Transport Layers on Bulk Recombination in Perovskites
• Vida Engmann, SDU Centre for advanced photovoltaics and energy - CAPE, Mads Clausen Instituttet, Det Tekniske Fakultet, University of Southern Denmark, DK-6400 Sonderborg
  Stabilizing NFA based organic solar cells
• Jenny Clark, Sheffield, UK
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• Dan Oron, Weizmann Institute of Science, Herzl St 234, Rehovot, Israel
  The role of the A-site cation in determining electronic properties of lead halideperovskites
• Paulina Plochocka, Laboratoire National des Champs Magnétiques Intenses, CNRS,UPR 3228, site de Toulouse, FRANCE
  Organic - inorganic metal halide perovskites: semiconductor different than theothers
• Ivan Scheblykin, Chemical Physics and NanoLund, Lund University, Sweden
  Decoding the Complexity of Perovskite Photoluminescence: The Interplay ofDefects, Their Dynamics, and Nanostructure

• David Egger, School of Natural Science, TU München, Germany
  Next-Level Optoelectronic Property Predictions with Hamiltonian Learning
• Ann Köhler, Bayreuther Institut für Makromolekülforschnung, Universität Bayreuth
  Disentangling exciton dissociation pathways in the non-fullerene acceptor Y6
• Alison Walker, Department of Physics, University of Bath, UK
  Combined electrical-op1cal model to interpret experimental data on perovskitesolar cells
• Gary Hodes, Dept. Materials and Interfaces, Weizmann Institute of Science, Israel
  The evolution of quantum dot research and the Nobel prize
• Esther Alarcon_Llado, AMOLF, Center of Nanophotonics, Amsterdam, The Netherlands
  Metasurfaces enabling new solar cell designs
• Matteo Tirrito, Division of Solid State Physics, NanoLund, Lund University, Lund, Sweden
  Nanoprobe investigation of perovskite III-V-nanowires multi-junction solar cells
• Cleber Marchiori, Department of Engineering and Physics, Karlstad University - Sweden
  Electronic Structure and Degradation in Organic Solar Energy Materials: Insights from NEXAFS and resonant Photoemission
• Selina Olthof, University of Wuppertal, Chair of Surface and Material Analysis, Germany
  Reflection Electron Energy Loss Spectroscopy of Semiconductors
• Somin Park, Faculty of Science, National University of Singapore, Singapore
  Nanoscale Surface Chemistry for Perovskite Photovoltaics

• Daniel Vanmaekelbergh, Debye Institute for Nanomaterials Science, Universiteit Utrecht, Netherlands
  Realizing a dream in nanoscience: simultaneous measurement of the local atomicand electronic structure of a crystalline material.
• Klaus Lips, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Berlin, Germany
  How useful is Solid-State NMR to gain new insights into the structure-propertyrelationship in hybrid perovskites?
• Igal Levine, Institute of Chemistry, Hebrew University of Jerusalem, Israel
  Mapping the Energetic Defect Landscape of Pb-free HaPs Using SurfacePhotoVoltage
• Matthias Maiberg, Institute of Physics, Martin-Luther-University Halle-Wittenberg, Halle, Germany
  Thermionic emission in heterojunction solar cells - a new view on another old story
• Antoine Kahn, School of Engineering and Applied Science, Princeton University, USA
  Investigation of a Singlet Fission - Triplet Transfer Interface Configuration for aMetal Halide Perovskite Solar Cell
• Sascha Feldmann, EPFL, Lausanne, Switzerland
  Tracking charge, spin and light polarization in space and time in emergingsemiconductors
• Safa Shoaee, Paul-Drude-Institut für Festkörperelektronik, Leibniz-Institut im Forschungsverbund Berlin, Germany
  When The Triplet Excitons Shape Recombination, Voc and Efficiency Limits
• Ivana Lj. Validzic, Sustainable Advanced Materials, Department of Physics, Swansea University, Wales, UK
  Improved photovoltaic performance of a monolithic carbon-based perovskite solarcell under natural and various artificial lighting, highlighting additional lighteffects by using an optical WFL system
• Armin Ardalan, Sustainable Advanced Materials, Department of Physics, Swansea University, Wales, UK
  Energetics and Kinetics Requirements for High efficiency Organic Solar Cells

• Frédéric Laquai, Physikalische Chemie und Spektroskopie von Energiematerialien, LMU, München, Germany
  How the Energetic Landscape of Non-Fullerene Acceptor Organic Solar CellsControls Device Performance
• Marina Freitag, School of Natural and Enviromental Science, Bedson Building, Newcastle University, NE18QB Newcastle Upon Tyne, UK
  Interphase Engineering for Ambient Energy Harvesting: From Coordination Polymersto High-Efficiency Photocapacitors and Hybrid Photovoltaics
• Charusheela Ramanan, Photo Conversion Materials, Faculty of Science, Vrije Universiteit Amsterdam, The Netherlands
  Competitive Pathways in Structurally Dynamic Organic Chromophore Systems
• Albert Polmann, NWO Institute AMOLF, Amsterdam, the Netherlands
  On the local optical density of states in planar and structured perovskite films
• Susanne Siebentritt, Laboratory for Photovoltaics, Department of Physics and Materials Science, Univ. de Luxembourg, Luxembourg
  Band offsets in heterojunction solar cells - a new view on a (very) old story
• Mathis Van de Voorde, Materials Science, University of Twente, 7522NB Enschede, Netherlands
  Diffuse light concentration in free space with down-conversion CsPbCl3:Yb3+ nanocrystals
• Thomas Hannappel, Institute of Physics, Department of Material Science, TU Ilmenau, Germany
  Interfacial studies on multi-absorber structures for photoelectrochemical solar fuelproduction
• Hai Wang, Nanophotonics, Universiteit Utrecht, The Netherlands
  From Light to Heat: Photothermal Conversion Governs Ultrafast NonequilibriumCharge Transport in 2D Titanium Carbide MXenes
• Morten Madsen, SDU Centre for advanced photovoltaics and energy - CAPE, Mads Clausen Instituttet, Det Tekniske Fakultet, University of Southern Denmark, DK-6400 Sonderborg
  Stability of scalable organic photovoltaics for indoor and transparent applications

• Individual Discussions

• Closing of the Workshop

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