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Thursday, 28th May

IMPORTANT: All indicated times are CEST time. Please check your local time here.

Thursday, 28th May
08:30 - 11:30 | Session 10 | Characterization | S. Siebentritt, I. Lauermann , R. Scheer, T. Unold
Chairs: S. Siebentritt, I. Lauermann
08:30 | Bias dependent admittance spectroscopy of thin film solar cells: Simulations | Guy Brammertz (Imec division IMOMEC- partner in Solliance, Belgium)
08:45 | Bias dependent admittance spectroscopy of CIGS solar cells: Experiment | Thierry Kohl (University of Hasselt, Belgium)
09:00 | Analysis for chemical bonds in Cu(In,Ga)(S,Se)2 using Low-temperature XAFS | Kosuke Beppu (Ryukoku University, Japan)
09:15 | Grain boundaries and dislocations in CIGSe solar cells | Daniel Abou-Ras (Helmholtz-Zentrum Berlin, Germany)
09:30 - 09:45 | Break
Chairs: R. Scheer, T. Unold
09:45 | Correlating facet orientation, defect level density and dipole layer formation at the surface of CuInSe2 thin films | Amala Elizabeth (University of Muenster, Germany)
10:00 | Annealing-induced Intermixing and Passivation of the Front Contact in Cu(In,Ga)Se2 Devices – A Spectroscopic View on CdS and GaOx | Donald Valenta (Helmholtz-Zentrum Berlin, Germany)
10:15 | Correlative EBIC-EBSD-APT Demonstrate Diverse Role of Grain Boundaries in Cu(In,Ga)Se2 Solar Cells | Mohit Raghuwanshi (RWTH Aachen, Germany)
10:30 - 10:45 | Break
10:45 | Influence of sodium concentration on the magnitude of persistent photoconductivity in Cu(In,Ga)Se2 solar cells | Aniela Czudek (Warsaw University of Technology, Poland)
11:00 | Microstructural investigation of alkali distribution in (Ag,Cu)(In,Ga)Se2 thin film solar cells | Hisham Aboulfadl (Chalmers University of Technology, Sweden)
11:15 | Grain boundary band bending in polycrystalline materials, A Kelvin Probe Force Microscopy study | Evandro Lanzoni (University of Luxembourg, Luxembourg)
11:30 | Development of bandgap gradient for CIGS solar cells on flexible stainless-steel substrate | Yi Ren (Midsummer AB, Sweden) - Catch up from Session 03 (Monday, 25th May)
11:45 - 13:30 | Break

13:30 - 15:00 | Open Discussion

Part 1 | Opportunities & Challenges for Chalcogenide PV | Chairs: Ayodhya Tiwari (Empa), Rutger Schlatmann (HZB/PVcomB)
Part 2 | Kesterites and emerging chalcogenides | Chairs: Ayodjya Tiwari (Empa), Rutger Schlatmann (HZB/PVcomB)
Part 3 | CdTe | Chairs: Rutger Schlatmann (HZB/PVcomB) &  Alex Redinger (University of Luxembourg)
15:00 - 15:30 | Poster Awards & Closing