CSSC-11 and SiMat-4 Joint Workshop program
Wednesday, April 20
11h00m Registration
11h40m Opening
12h00m Detection of H in p-type silicon materials using FR-IR spectroscopy
Erik Marstein
IFE, Norway
12h40m Growth of silicon single crystals with a diameter of 4 inch using the granulate crucible method
R. Menzel, K. Dadzis, A. Nikiforova, N. Lorenz-Meyer, B. Faraji-
Tajrishi, N. Abrosimov, H. Riemann
Leibniz-Institut für Kristallzüchtung
13h00m-14h00m Lunch
Novel monocrystalline materials
Nathan Stoddard, Jesse Appel, Alireza Pirnia, Cecilia Lee, Peter Kellerman and Parthiv Daggolu
Leading Edge Equipment Technologies
14h40m Twin formation in high-velocity Czochralski growth of photovoltaic silicon
Xiang Lu, Shuai Yuan*, Xuegong Yu, Deren Yang
Zhejiang University, Hangzhou, China
15h00m Dislocation activation conditions and dynamics studied in situ by X-ray diffraction imaging in monocrystalline Si near the melting point
Serge Neves Dias, Maike Becker, Hadjer Ouaddah, Isabelle Périchaud, Guillaume Reinhart, Nathalie Mangelinck-Noël, Gabrielle Regula*
Aix Marseille Univ, Université de Toulon, Marseille, France
15h20m Material evaluation for engineering a novel crucible setup for the growth of oxygen free Czochralski silicon crystals
F.Sturm 1*, M. Trempa 1, G. Schuster 2, R. Hegermann 2, P. Götz 2, R. Wagner 3, G. Barroso 3,  P. Meisner4, C. Reimann 1, J. Friedrich 1
1 Fraunhofer IISB, Schottkystrasse 10, 91058 Erlangen, Germany
2 CVT GmbH & Co. KG, Romantische Strasse 18, 87642 Halblech, Germany
3 Rauschert Heinersdorf-Pressig GmbH, Bahnhofstrasse 1, 96332 Pressig, Germany
4 SGL Carbon GmbH, Drachenburgstrasse, 53170 Bonn, Germany
15h40m-16h00m Cofffee break
Defects in silicon
16h00m Kinetics of Light-Induced Instability in Bifacial N-Type Silicon Heterojunctions
Brendan Wright
UNSW (Aus)
16h20m Characterisation of Striations in n-type Silicon Wafer Processed with Polysilicon Contacts
Zhuangyi Zhou 1*, Fiacre Rougieux 1, Manjula Siriwardhana 2, Daniel MacDonald 2, Gianluca Coletti 1,3
1 School of Photovoltaic and Renewable Energy Engineering, The University of New South Wales, Australia
2 College of Engineering and Computer Science, Australian National University, Australia
3 TNO Energy Transition, Westerduinweg 3, 1755 LE Petten, the Netherlands
16h40m A Study on Degradation Mechanisms in the Czochralski Grown Si Crystal for Solar Cell Applications
Rasit Turan 1,2, Sercan Aslan 1,2, Mehmet Konyar 4, Nurhayat Yıldırım 4, Bulent Arıkan 1, Gence Bektaş 1,3, Hasan Hüseyin Canar 1,3, Salar Habibpur Sedani 1,3, Fırat Es 4,
1 Middle East Technical University- Center for Solar Energy Research and Applications (ODTÜ-GÜNAM), Ankara, Turkey
2 Department of Physics, Middle East Technical University (METU), Ankara, Turkey
3Micro and Nanotechnology Program (MNT), Middle East Technical University (METU), Ankara, Turkey
4 Kalyon PV Research and Development Center, Kalyon Güneş Teknolojileri Üretim A.Ş., 06909, Ankara, Turkey
17h00m Copper in compensated p-type and n-type Czochralski silicon: diffusivity, influence on the majority carrier density and mobility
Guilherme Gaspar 1, Chiara Modanese 1, Sarah Bernardis 2, Nicolas Enjalbert 2, Lars Arnberg 1, Sebastien Dubois 2, Marisa Di Sabatino 1*
1 Norwegian University of Science and Technology (NTNU), Department of Materials Science and Engineering,  Trondheim, Norway
2 Univ. Grenoble Alpes, (CEA), LITEN, Department for Solar Energy, National Institute of Solar Energy, France
Thursday, April 21
Directional solidfication, UMG and contacts
8h30m Electron And Hole Selective Contacts For Solar Cells
J.M.Serra, I. Costa
Universidade de Lisboa, Portugal
9h00m Towards Low-cost High-efficiency and Reliable Upgraded Metallurgical Silicon Solar Cells
C. del Cañizo 1*, N. Dasilva-Villanueva 1, D. Fuertes Marrón 1, B. Arikan 2, H. H. Canar 2, R. Turan 2,3, G.Sánchez Plaza 4, L. Méndez 5, E. Forniés 5
1 Instituto de Energía Solar – Universidad Politécnica de Madrid, Avda. Complutense, 30, Madrid, Spain
2 Center for Solar Energy Research and Applications (GÜNAM), Ankara, Turkey
3 Department of Physics, Middle East Technical University, Ankara, Turkey
4 Nanotechnology Center – Universidad Politécnica de Valencia, Camino de Vera, Valencia, Spain
5 Aurinka PV Group, Marie Curie 19, Rivas-Vaciamadrid (Madrid), Spain
9h20m Adjustment of resistivity for phosphorus doped n-type multicrystalline silicon
Iryna Buchovska*, Kaspars Dadzis, Natasha Dropka, Frank M. Kiessling
Leibniz-Institut für Kristallzüchtung (IKZ)
9h40m Growth rate-temperature gradient diagrams for control of grain structure in PV ingots
Thierry Duffar 1,2*
1 Univ. Grenoble Alpes, CNRS, Grenoble INP*, SIMAP, F-38000 Grenoble, France
* Institute of Engineering Univ. Grenoble Alpes
2 Visiting Professor, Institute for Materials Research, Tohoku University, Sendai, Japan
10h00m Microscopic Charge Carrier Lifetime Mapping for Silicon Material Analysis
Friedemann D. Heinz 1,2*, Maximilian Özkent 2, Clara Rittmann 2, Florian Schindler 2, Martin C. Schubert 2, Wolfram Kwapil 1,2, Stefan Glunz 1,2
1 Laboratory for Photovoltaic Energy Conversion, Department for Sustainable Systems Engineering
(INATECH), University Freiburg, Germany
2 Fraunhofer Institute for Solar Energy Systems (ISE),Freiburg, Germany
10h20m-11h40m Coffee break + Poster session
11h40-13h00m Discussion hot topics
14h00m Afternoon tour and dinner
Friday, April 22
Impact of material properties on cell performance I
8h20m Auger parametrization for silicon PV
Tim Niewelt
Fraunhofer ISE
Warwick University, UK
9h00m PERC-cells from 100% recycling-silicon from end-of-life PV-modules
P. Dold 1, A. Obst 1, P. Henatsch 1, F. Zobel 1, S. Riepe 2, D. Wagenmann 2, E. Lohmüller 2, S. Lohmüller 2
1 Fraunhofer Center for Silicon Photovoltaics CSP, Halle (Saale), Germany
2 Fraunhofer Institute for Solar Energy Systems ISE, Germany
9h20m Developing advanced light-trapping structures for back-contact crystalline silicon solar cells by metal-assisted chemical etching
David M. Pera, Ivo Costa, Filipe Serra, Gaspar Gaspar, Killian Lobato, João M. Serra, José A. Silva*
Instituto Dom Luiz – Faculdade de Ciências Universidade de Lisboa, Portugal
9h40m-10h00m Coffee break
Impact of material properties on cell performance II
10h00 Bulk and interface defects limiting high-efficiency n-type solar cells
Fiacre Rougieux
School of Photovoltaic and Renewable Energy Engineering, The University of New South Wales, Australia
10h40m Gettering by polysilicon/oxide passivating contact structures
AnYao Liu*, Zhongshu Yang, Jan Krügener, Frank Feldman, Jana-Isabelle Polzin, BerndSteinhauser, Sieu Pheng Phang, Daniel Macdonald
ANU, Australia
11h00m Alternative Cz Ingot squaring and cell cutting methodology for low temperature PV cell
Mickael Albaric , S. Harrison, B. Martel, F.Dhainaut, T.Desrues
CEA, LITEN, Department of Solar Technologies, France
11h20m Closing