Thursday, 28th May
| 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 |